<?xml version="1.0" encoding="us-ascii"?>
<!-- Created by Merrill Corporation -->
<!-- Generated by Fujitsu Interstage XWand B0166_M01 -->
<!--Generated by IRIS XBRL Generation Engine-->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureGoodwillAndIdentifiableIntangibleAssetsTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDebtTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDebtTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureEarningsPerCommonShareDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureEarningsPerCommonShareTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDerivativesTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDerivativesTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureIncomeTaxesTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureIncomeTaxesDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureIncomeTaxesDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureIncomeTaxesDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurementsTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegmentsTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivableTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureAccountsReceivableTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosurePropertyAndEquipmentTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureSummaryQuarterlyInformationDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureSummaryQuarterlyInformationTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureSignificantAccountingPoliciesDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureInterestIncomeExpenseAndOtherFinancingCostsTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurementsDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDerivativesDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails4" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails4" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails5" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityDetails5" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDerivativesDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDerivativesDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails4" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails4" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails5" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurementsDetails5" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegmentsDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegmentsDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurementsDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivableDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureAccountsReceivableDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails6" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails6" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails5" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails5" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails4" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityDetails4" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquityDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosurePropertyAndEquipmentDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDebtDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDebtDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDebtDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDebtDetails2" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsDetails" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureInterestIncomeExpenseAndOtherFinancingCostsDetails" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails3" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingenciesDetails3" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails4" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails4" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssets" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureGoodwillAndIdentifiableIntangibleAssets" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDebt" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDebt" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncements" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncements" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShare" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureEarningsPerCommonShare" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureDerivatives" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureDerivatives" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxes" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureIncomeTaxes" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurements" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurements" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegments" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureBusinessSegments" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivable" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureAccountsReceivable" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingencies" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureCommitmentsAndContingencies" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipment" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosurePropertyAndEquipment" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformation" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureSummaryQuarterlyInformation" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquity" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureShareholdersEquity" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCosts" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureInterestIncomeExpenseAndOtherFinancingCosts" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/CashFlowsParenthetical" xlink:type="simple" xlink:href="int-20130331.xsd#CashFlowsParenthetical" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="int-20130331.xsd#DocumentAndEntityInformation" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/BalanceSheetParenthetical" xlink:type="simple" xlink:href="int-20130331.xsd#BalanceSheetParenthetical" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/StatementOfStockholdersEquityParenthetical" xlink:type="simple" xlink:href="int-20130331.xsd#StatementOfStockholdersEquityParenthetical" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncomeParenthetical" xlink:type="simple" xlink:href="int-20130331.xsd#StatementOfIncomeAndComprehensiveIncomeParenthetical" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLoss" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLoss" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureSignificantAccountingPolicies" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureSignificantAccountingPolicies" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/CashFlows" xlink:type="simple" xlink:href="int-20130331.xsd#CashFlows" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncome" xlink:type="simple" xlink:href="int-20130331.xsd#StatementOfIncomeAndComprehensiveIncome" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/BalanceSheet" xlink:type="simple" xlink:href="int-20130331.xsd#BalanceSheet" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/StatementOfStockholdersEquity" xlink:type="simple" xlink:href="int-20130331.xsd#StatementOfStockholdersEquity" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureAcquisitionsAndSignificantAccountingPolicies" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureAcquisitionsAndSignificantAccountingPolicies" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossTables" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossTables" />
  <link:roleRef roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails2" xlink:type="simple" xlink:href="int-20130331.xsd#DisclosureFairValueMeasurementsDetails2" />
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:title="GoodwillAndIntangibleAssetsDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="ScheduleOfGoodwillTextBlock" xlink:title="ScheduleOfGoodwillTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="ScheduleOfGoodwillTextBlock" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to ScheduleOfGoodwillTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" xlink:label="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" xlink:title="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:title="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssets">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:title="GoodwillAndIntangibleAssetsDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:title="GoodwillAndIntangibleAssetsDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to GoodwillAndIntangibleAssetsDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDebtTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="ScheduleOfDebtTableTextBlock" xlink:title="ScheduleOfDebtTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="ScheduleOfDebtTableTextBlock" xlink:title="presentation: DebtDisclosureAbstract to ScheduleOfDebtTableTextBlock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="presentation: DebtDisclosureAbstract to ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDebt">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="DebtDisclosureTextBlock" xlink:title="presentation: DebtDisclosureAbstract to DebtDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies">
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="ConsolidationPolicyTextBlock" xlink:title="ConsolidationPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ConsolidationPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ConsolidationPolicyTextBlock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="UseOfEstimates" xlink:title="UseOfEstimates" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="UseOfEstimates" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to UseOfEstimates" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="FairValueOfFinancialInstrumentsPolicy" xlink:title="FairValueOfFinancialInstrumentsPolicy" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="FairValueOfFinancialInstrumentsPolicy" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to FairValueOfFinancialInstrumentsPolicy" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="CashAndCashEquivalentsPolicyTextBlock" xlink:title="CashAndCashEquivalentsPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="CashAndCashEquivalentsPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to CashAndCashEquivalentsPolicyTextBlock" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="ReceivablesPolicyTextBlock" xlink:title="ReceivablesPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ReceivablesPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ReceivablesPolicyTextBlock" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsTransfersOfFinancialAssetsSalesPolicy" xlink:label="TransfersAndServicingOfFinancialAssetsTransfersOfFinancialAssetsSalesPolicy" xlink:title="TransfersAndServicingOfFinancialAssetsTransfersOfFinancialAssetsSalesPolicy" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="TransfersAndServicingOfFinancialAssetsTransfersOfFinancialAssetsSalesPolicy" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to TransfersAndServicingOfFinancialAssetsTransfersOfFinancialAssetsSalesPolicy" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="InventoryPolicyTextBlock" xlink:title="InventoryPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="InventoryPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to InventoryPolicyTextBlock" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="DerivativesPolicyTextBlock" xlink:title="DerivativesPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="DerivativesPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to DerivativesPolicyTextBlock" use="optional" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="PropertyPlantAndEquipmentPolicyTextBlock" xlink:title="PropertyPlantAndEquipmentPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="PropertyPlantAndEquipmentPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to PropertyPlantAndEquipmentPolicyTextBlock" use="optional" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:title="GoodwillAndIntangibleAssetsGoodwillPolicy" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to GoodwillAndIntangibleAssetsGoodwillPolicy" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy" xlink:label="EquityMethodInvestmentsPolicy" xlink:title="EquityMethodInvestmentsPolicy" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="EquityMethodInvestmentsPolicy" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to EquityMethodInvestmentsPolicy" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ExtinguishmentOfLiabilityPolicyTextBlock" xlink:label="ExtinguishmentOfLiabilityPolicyTextBlock" xlink:title="ExtinguishmentOfLiabilityPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ExtinguishmentOfLiabilityPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ExtinguishmentOfLiabilityPolicyTextBlock" use="optional" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="RevenueRecognitionPolicyTextBlock" xlink:title="RevenueRecognitionPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="RevenueRecognitionPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to RevenueRecognitionPolicyTextBlock" use="optional" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" xlink:label="VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" xlink:title="VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" use="optional" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:title="ShareBasedCompensationOptionAndIncentivePlansPolicy" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ShareBasedCompensationOptionAndIncentivePlansPolicy" use="optional" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:title="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" use="optional" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="IncomeTaxPolicyTextBlock" xlink:title="IncomeTaxPolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="IncomeTaxPolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to IncomeTaxPolicyTextBlock" use="optional" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="EarningsPerSharePolicyTextBlock" xlink:title="EarningsPerSharePolicyTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="EarningsPerSharePolicyTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to EarningsPerSharePolicyTextBlock" use="optional" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncements">
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:title="OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" xlink:label="ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" xlink:title="ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" xlink:title="presentation: EarningsPerShareAbstract to ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShare">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="EarningsPerShareTextBlock" xlink:title="EarningsPerShareTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareTextBlock" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDerivativesTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsTextBlock" xlink:label="ScheduleOfDerivativeInstrumentsTextBlock" xlink:title="ScheduleOfDerivativeInstrumentsTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="ScheduleOfDerivativeInstrumentsTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to ScheduleOfDerivativeInstrumentsTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:title="ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDerivatives">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureIncomeTaxesTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:label="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:title="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:title="ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:title="ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:title="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:title="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="SummaryOfIncomeTaxContingenciesTextBlock" xlink:title="SummaryOfIncomeTaxContingenciesTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="SummaryOfIncomeTaxContingenciesTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to SummaryOfIncomeTaxContingenciesTextBlock" use="optional" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SummaryOfIncomeTaxExaminationsTextBlock" xlink:label="SummaryOfIncomeTaxExaminationsTextBlock" xlink:title="SummaryOfIncomeTaxExaminationsTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="SummaryOfIncomeTaxExaminationsTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to SummaryOfIncomeTaxExaminationsTextBlock" use="optional" order="8005.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeTaxExpenseBenefit" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeTaxExpenseBenefit" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="EffectiveIncomeTaxRateContinuingOperations" xlink:title="EffectiveIncomeTaxRateContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="EffectiveIncomeTaxRateContinuingOperations" xlink:title="presentation: IncomeTaxDisclosureAbstract to EffectiveIncomeTaxRateContinuingOperations" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:title="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxBenefitsPeriodIncreaseDecrease" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:title="presentation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:title="presentation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="presentation: ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="CurrentFederalTaxExpenseBenefit" xlink:title="CurrentFederalTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="CurrentFederalTaxExpenseBenefit" xlink:title="presentation: CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract to CurrentFederalTaxExpenseBenefit" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="CurrentStateAndLocalTaxExpenseBenefit" xlink:title="CurrentStateAndLocalTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="CurrentStateAndLocalTaxExpenseBenefit" xlink:title="presentation: CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract to CurrentStateAndLocalTaxExpenseBenefit" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="CurrentForeignTaxExpenseBenefit" xlink:title="CurrentForeignTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="CurrentForeignTaxExpenseBenefit" xlink:title="presentation: CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract to CurrentForeignTaxExpenseBenefit" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="CurrentIncomeTaxExpenseBenefit" xlink:title="CurrentIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="CurrentIncomeTaxExpenseBenefit" xlink:title="presentation: CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract to CurrentIncomeTaxExpenseBenefit" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="presentation: ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="DeferredFederalIncomeTaxExpenseBenefit" xlink:title="DeferredFederalIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="DeferredFederalIncomeTaxExpenseBenefit" xlink:title="presentation: DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract to DeferredFederalIncomeTaxExpenseBenefit" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:title="DeferredStateAndLocalIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:title="presentation: DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract to DeferredStateAndLocalIncomeTaxExpenseBenefit" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="DeferredForeignIncomeTaxExpenseBenefit" xlink:title="DeferredForeignIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="DeferredForeignIncomeTaxExpenseBenefit" xlink:title="presentation: DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract to DeferredForeignIncomeTaxExpenseBenefit" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NoncurrentIncomeTaxExpenseBenefit" xlink:label="NoncurrentIncomeTaxExpenseBenefit" xlink:title="NoncurrentIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="NoncurrentIncomeTaxExpenseBenefit" xlink:title="presentation: ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to NoncurrentIncomeTaxExpenseBenefit" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:label="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:title="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="presentation: IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract to EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:title="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:title="presentation: IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract to EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:title="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:title="presentation: IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract to EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:title="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:title="presentation: IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract to EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="UndistributedEarningsOfForeignSubsidiaries" xlink:title="UndistributedEarningsOfForeignSubsidiaries" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UndistributedEarningsOfForeignSubsidiaries" xlink:title="presentation: IncomeTaxDisclosureAbstract to UndistributedEarningsOfForeignSubsidiaries" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PeriodApplicableIncomeTaxConcession" xlink:label="PeriodApplicableIncomeTaxConcession" xlink:title="PeriodApplicableIncomeTaxConcession" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="PeriodApplicableIncomeTaxConcession" xlink:title="presentation: IncomeTaxDisclosureAbstract to PeriodApplicableIncomeTaxConcession" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:title="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="ComponentsOfDeferredTaxAssetsAbstract" xlink:title="ComponentsOfDeferredTaxAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="ComponentsOfDeferredTaxAssetsAbstract" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to ComponentsOfDeferredTaxAssetsAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:label="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:title="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="DeferredTaxAssetsOperatingLossCarryforwards" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsOperatingLossCarryforwards" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" xlink:label="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" xlink:title="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:title="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsDerivativeInstruments" xlink:label="DeferredTaxAssetsDerivativeInstruments" xlink:title="DeferredTaxAssetsDerivativeInstruments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsDerivativeInstruments" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsDerivativeInstruments" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DeferredTaxAssetsCustomerDeposits" xlink:label="DeferredTaxAssetsCustomerDeposits" xlink:title="DeferredTaxAssetsCustomerDeposits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsCustomerDeposits" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsCustomerDeposits" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses" xlink:label="DeferredTaxAssetsUnrealizedCurrencyLosses" xlink:title="DeferredTaxAssetsUnrealizedCurrencyLosses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsUnrealizedCurrencyLosses" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsUnrealizedCurrencyLosses" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="DeferredTaxAssetsGross" xlink:title="DeferredTaxAssetsGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsGross" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsGross" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="DeferredTaxAssetsNet" xlink:title="DeferredTaxAssetsNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsNet" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsNet" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="DeferredTaxAssetsValuationAllowance" xlink:title="DeferredTaxAssetsValuationAllowance" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAbstract" xlink:to="DeferredTaxAssetsValuationAllowance" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAbstract to DeferredTaxAssetsValuationAllowance" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:title="ComponentsOfDeferredTaxLiabilitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to ComponentsOfDeferredTaxLiabilitiesAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:title="DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredTaxLiabilitiesPropertyPlantAndEquipment" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:title="DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:label="DeferredTaxLiabilitiesPrepaidExpenses" xlink:title="DeferredTaxLiabilitiesPrepaidExpenses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredTaxLiabilitiesPrepaidExpenses" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredTaxLiabilitiesPrepaidExpenses" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives" xlink:label="DeferredTaxLiabilitiesDerivatives" xlink:title="DeferredTaxLiabilitiesDerivatives" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredTaxLiabilitiesDerivatives" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredTaxLiabilitiesDerivatives" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="DeferredTaxLiabilitiesOther" xlink:title="DeferredTaxLiabilitiesOther" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredTaxLiabilitiesOther" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredTaxLiabilitiesOther" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="DeferredIncomeTaxLiabilities" xlink:title="DeferredIncomeTaxLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="DeferredIncomeTaxLiabilities" xlink:title="presentation: ComponentsOfDeferredTaxLiabilitiesAbstract to DeferredIncomeTaxLiabilities" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="DeferredTaxAssetsLiabilitiesNet" xlink:title="DeferredTaxAssetsLiabilitiesNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="DeferredTaxAssetsLiabilitiesNet" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to DeferredTaxAssetsLiabilitiesNet" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetClassificationAbstract" xlink:label="DeferredTaxAssetsNetClassificationAbstract" xlink:title="DeferredTaxAssetsNetClassificationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="DeferredTaxAssetsNetClassificationAbstract" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to DeferredTaxAssetsNetClassificationAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="DeferredTaxAssetsNetCurrent" xlink:title="DeferredTaxAssetsNetCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredTaxAssetsNetClassificationAbstract" xlink:to="DeferredTaxAssetsNetCurrent" xlink:title="presentation: DeferredTaxAssetsNetClassificationAbstract to DeferredTaxAssetsNetCurrent" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="DeferredTaxAssetsNetNoncurrent" xlink:title="DeferredTaxAssetsNetNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredTaxAssetsNetClassificationAbstract" xlink:to="DeferredTaxAssetsNetNoncurrent" xlink:title="presentation: DeferredTaxAssetsNetClassificationAbstract to DeferredTaxAssetsNetNoncurrent" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="DeferredTaxLiabilitiesCurrent" xlink:title="DeferredTaxLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredTaxAssetsNetClassificationAbstract" xlink:to="DeferredTaxLiabilitiesCurrent" xlink:title="presentation: DeferredTaxAssetsNetClassificationAbstract to DeferredTaxLiabilitiesCurrent" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredTaxAssetsNetClassificationAbstract" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:title="presentation: DeferredTaxAssetsNetClassificationAbstract to DeferredTaxLiabilitiesNoncurrent" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="DeferredTaxAssetsTaxCreditCarryforwards" xlink:title="DeferredTaxAssetsTaxCreditCarryforwards" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="DeferredTaxAssetsTaxCreditCarryforwards" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to DeferredTaxAssetsTaxCreditCarryforwards" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DeferredTaxAssetsLiabilitiesGross" xlink:label="DeferredTaxAssetsLiabilitiesGross" xlink:title="DeferredTaxAssetsLiabilitiesGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="DeferredTaxAssetsLiabilitiesGross" xlink:title="presentation: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to DeferredTaxAssetsLiabilitiesGross" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="OperatingLossCarryforwards" xlink:title="OperatingLossCarryforwards" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="OperatingLossCarryforwards" xlink:title="presentation: IncomeTaxDisclosureAbstract to OperatingLossCarryforwards" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" xlink:label="EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" xlink:title="EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" xlink:title="presentation: IncomeTaxDisclosureAbstract to EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncomeTaxConcessionImpactOnForeignTaxes" xlink:label="IncomeTaxConcessionImpactOnForeignTaxes" xlink:title="IncomeTaxConcessionImpactOnForeignTaxes" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeTaxConcessionImpactOnForeignTaxes" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeTaxConcessionImpactOnForeignTaxes" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncomeTaxConcessionImpactOnDilutedEarningsPerShare" xlink:label="IncomeTaxConcessionImpactOnDilutedEarningsPerShare" xlink:title="IncomeTaxConcessionImpactOnDilutedEarningsPerShare" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeTaxConcessionImpactOnDilutedEarningsPerShare" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeTaxConcessionImpactOnDilutedEarningsPerShare" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" xlink:label="UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" xlink:title="UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxAssetsPeriodIncreaseDecrease" xlink:label="UnrecognizedTaxAssetsPeriodIncreaseDecrease" xlink:title="UnrecognizedTaxAssetsPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxAssetsPeriodIncreaseDecrease" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxAssetsPeriodIncreaseDecrease" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" xlink:label="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" xlink:title="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxLiabilities" xlink:label="UnrecognizedTaxLiabilities" xlink:title="UnrecognizedTaxLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxLiabilities" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxLiabilities" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxAssets" xlink:label="UnrecognizedTaxAssets" xlink:title="UnrecognizedTaxAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxAssets" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxAssets" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:title="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:title="presentation: IncomeTaxDisclosureAbstract to ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="UnrecognizedTaxBenefits" xlink:title="UnrecognizedTaxBenefits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefits" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefits" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="UnrecognizedTaxBenefits_2" xlink:title="UnrecognizedTaxBenefits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefits_2" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefits" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:title="UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:title="UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" xlink:label="UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" xlink:title="UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:title="UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:title="UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionOfEntities" xlink:label="UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionOfEntities" xlink:title="UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionOfEntities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionOfEntities" xlink:title="presentation: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to UnrecognizedTaxBenefitsIncreasesResultingFromAcquisitionOfEntities" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:title="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" xlink:label="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" xlink:title="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" xlink:label="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" xlink:title="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:label="UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:title="UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" xlink:to="UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:title="presentation: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract to UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" xlink:label="UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" xlink:title="UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract" xlink:to="UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" xlink:title="presentation: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseAbstract to UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" xlink:label="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" xlink:title="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" xlink:title="presentation: IncomeTaxDisclosureAbstract to UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:label="UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:title="UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" xlink:to="UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:title="presentation: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract to UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued" xlink:label="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued" xlink:title="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract" xlink:to="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued" xlink:title="presentation: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedAbstract to UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureIncomeTaxes">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="IncomeTaxDisclosureTextBlock" xlink:title="IncomeTaxDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="IncomeTaxDisclosureTextBlock" xlink:title="presentation: IncomeTaxDisclosureAbstract to IncomeTaxDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:title="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="FairValueByBalanceSheetGroupingTextBlock" xlink:title="FairValueByBalanceSheetGroupingTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueByBalanceSheetGroupingTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueByBalanceSheetGroupingTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurements">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="FairValueDisclosuresTextBlock" xlink:title="FairValueDisclosuresTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueDisclosuresTextBlock" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueDisclosuresTextBlock" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegmentsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:label="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:title="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" xlink:title="presentation: SegmentReportingAbstract to ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:label="ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:title="ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:title="presentation: SegmentReportingAbstract to ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" xlink:label="ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" xlink:title="ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" xlink:title="presentation: SegmentReportingAbstract to ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:label="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:title="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegments">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="SegmentReportingDisclosureTextBlock" xlink:title="SegmentReportingDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="SegmentReportingDisclosureTextBlock" xlink:title="presentation: SegmentReportingAbstract to SegmentReportingDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureAccountsReceivableTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="AccountsReceivableNetAbstract" xlink:title="AccountsReceivableNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" xlink:label="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" xlink:title="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountsReceivableNetAbstract" xlink:to="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" xlink:title="presentation: AccountsReceivableNetAbstract to ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureAccountsReceivable">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="AccountsReceivableNetAbstract" xlink:title="AccountsReceivableNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:title="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountsReceivableNetAbstract" xlink:to="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:title="presentation: AccountsReceivableNetAbstract to LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:title="ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" xlink:label="ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" xlink:title="ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" xlink:label="ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" xlink:title="ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SuretyBondsAbstract" xlink:label="SuretyBondsAbstract" xlink:title="SuretyBondsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="SuretyBondsAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to SuretyBondsAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SuretyBondsOutstanding" xlink:label="SuretyBondsOutstanding" xlink:title="SuretyBondsOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SuretyBondsAbstract" xlink:to="SuretyBondsOutstanding" xlink:title="presentation: SuretyBondsAbstract to SuretyBondsOutstanding" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesFutureMinimumPaymentsDueAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to OperatingLeasesFutureMinimumPaymentsDueAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueCurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueInFourYears" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueInFiveYears" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:title="OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDueThereafter" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="OperatingLeasesFutureMinimumPaymentsDue" xlink:title="OperatingLeasesFutureMinimumPaymentsDue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDue" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsDue" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="OperatingLeasesRentExpenseNet" xlink:title="OperatingLeasesRentExpenseNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="OperatingLeasesRentExpenseNet" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to OperatingLeasesRentExpenseNet" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SalesAndPurchaseCommitmentsAbstract" xlink:label="SalesAndPurchaseCommitmentsAbstract" xlink:title="SalesAndPurchaseCommitmentsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="SalesAndPurchaseCommitmentsAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to SalesAndPurchaseCommitmentsAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SalesCommitmentsUnderDerivativeProgramAmount" xlink:label="SalesCommitmentsUnderDerivativeProgramAmount" xlink:title="SalesCommitmentsUnderDerivativeProgramAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SalesAndPurchaseCommitmentsAbstract" xlink:to="SalesCommitmentsUnderDerivativeProgramAmount" xlink:title="presentation: SalesAndPurchaseCommitmentsAbstract to SalesCommitmentsUnderDerivativeProgramAmount" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PurchaseCommitmentsUnderDerivativeProgramAmount" xlink:label="PurchaseCommitmentsUnderDerivativeProgramAmount" xlink:title="PurchaseCommitmentsUnderDerivativeProgramAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SalesAndPurchaseCommitmentsAbstract" xlink:to="PurchaseCommitmentsUnderDerivativeProgramAmount" xlink:title="presentation: SalesAndPurchaseCommitmentsAbstract to PurchaseCommitmentsUnderDerivativeProgramAmount" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SalesAndPurchaseCommitmentsPeriod" xlink:label="SalesAndPurchaseCommitmentsPeriod" xlink:title="SalesAndPurchaseCommitmentsPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SalesAndPurchaseCommitmentsAbstract" xlink:to="SalesAndPurchaseCommitmentsPeriod" xlink:title="presentation: SalesAndPurchaseCommitmentsAbstract to SalesAndPurchaseCommitmentsPeriod" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_VendorAndCustomerRebateAndBrandingAllowancesAbstract" xlink:label="VendorAndCustomerRebateAndBrandingAllowancesAbstract" xlink:title="VendorAndCustomerRebateAndBrandingAllowancesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="VendorAndCustomerRebateAndBrandingAllowancesAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to VendorAndCustomerRebateAndBrandingAllowancesAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FuelRebatesAndBrandingAllowancesEstimatedToBeRepaidUponDebranding" xlink:label="FuelRebatesAndBrandingAllowancesEstimatedToBeRepaidUponDebranding" xlink:title="FuelRebatesAndBrandingAllowancesEstimatedToBeRepaidUponDebranding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="VendorAndCustomerRebateAndBrandingAllowancesAbstract" xlink:to="FuelRebatesAndBrandingAllowancesEstimatedToBeRepaidUponDebranding" xlink:title="presentation: VendorAndCustomerRebateAndBrandingAllowancesAbstract to FuelRebatesAndBrandingAllowancesEstimatedToBeRepaidUponDebranding" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FuelRebatesAndBrandingAllowancesEstimatedToBeReceivedFromBrandedDealers" xlink:label="FuelRebatesAndBrandingAllowancesEstimatedToBeReceivedFromBrandedDealers" xlink:title="FuelRebatesAndBrandingAllowancesEstimatedToBeReceivedFromBrandedDealers" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="VendorAndCustomerRebateAndBrandingAllowancesAbstract" xlink:to="FuelRebatesAndBrandingAllowancesEstimatedToBeReceivedFromBrandedDealers" xlink:title="presentation: VendorAndCustomerRebateAndBrandingAllowancesAbstract to FuelRebatesAndBrandingAllowancesEstimatedToBeReceivedFromBrandedDealers" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingencies">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="CommitmentsAndContingenciesDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to CommitmentsAndContingenciesDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" xlink:title="PropertyPlantAndEquipmentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="PropertyPlantAndEquipmentTextBlock" xlink:title="PropertyPlantAndEquipmentTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="PropertyPlantAndEquipmentTextBlock" xlink:title="presentation: PropertyPlantAndEquipmentAbstract to PropertyPlantAndEquipmentTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" xlink:label="ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" xlink:title="ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" xlink:title="presentation: PropertyPlantAndEquipmentAbstract to ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock" xlink:label="ScheduleOfCapitalLeasedAsssetsTableTextBlock" xlink:title="ScheduleOfCapitalLeasedAsssetsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ScheduleOfCapitalLeasedAsssetsTableTextBlock" xlink:title="presentation: PropertyPlantAndEquipmentAbstract to ScheduleOfCapitalLeasedAsssetsTableTextBlock" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosurePropertyAndEquipment">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" xlink:title="PropertyPlantAndEquipmentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:title="PropertyPlantAndEquipmentDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:title="presentation: PropertyPlantAndEquipmentAbstract to PropertyPlantAndEquipmentDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="QuarterlyFinancialDataAbstract" xlink:title="QuarterlyFinancialDataAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:label="SelectedQuarterlyFinancialInformationAbstract" xlink:title="SelectedQuarterlyFinancialInformationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="QuarterlyFinancialDataAbstract" xlink:to="SelectedQuarterlyFinancialInformationAbstract" xlink:title="presentation: QuarterlyFinancialDataAbstract to SelectedQuarterlyFinancialInformationAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="QuarterlyFinancialDataAbstract" xlink:title="QuarterlyFinancialDataAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:title="ScheduleOfQuarterlyFinancialInformationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="QuarterlyFinancialDataAbstract" xlink:to="ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:title="presentation: QuarterlyFinancialDataAbstract to ScheduleOfQuarterlyFinancialInformationTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformation">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="QuarterlyFinancialDataAbstract" xlink:title="QuarterlyFinancialDataAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="QuarterlyFinancialInformationTextBlock" xlink:title="QuarterlyFinancialInformationTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="QuarterlyFinancialDataAbstract" xlink:to="QuarterlyFinancialInformationTextBlock" xlink:title="presentation: QuarterlyFinancialDataAbstract to QuarterlyFinancialInformationTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsAbstract" xlink:label="DividendsAbstract" xlink:title="DividendsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="DividendsAbstract" xlink:title="presentation: EquityAbstract to DividendsAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="CommonStockDividendsPerShareDeclared" xlink:title="CommonStockDividendsPerShareDeclared" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DividendsAbstract" xlink:to="CommonStockDividendsPerShareDeclared" xlink:title="presentation: DividendsAbstract to CommonStockDividendsPerShareDeclared" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CreditFacilityRestrictionMaximumCashDividendBaseAmount" xlink:label="CreditFacilityRestrictionMaximumCashDividendBaseAmount" xlink:title="CreditFacilityRestrictionMaximumCashDividendBaseAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DividendsAbstract" xlink:to="CreditFacilityRestrictionMaximumCashDividendBaseAmount" xlink:title="presentation: DividendsAbstract to CreditFacilityRestrictionMaximumCashDividendBaseAmount" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" xlink:label="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" xlink:title="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DividendsAbstract" xlink:to="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" xlink:title="presentation: DividendsAbstract to CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" xlink:label="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" xlink:title="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DividendsAbstract" xlink:to="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" xlink:title="presentation: DividendsAbstract to CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IssuanceOfCommonStockAbstract" xlink:label="IssuanceOfCommonStockAbstract" xlink:title="IssuanceOfCommonStockAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="IssuanceOfCommonStockAbstract" xlink:title="presentation: EquityAbstract to IssuanceOfCommonStockAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IssuanceOfCommonStockAbstract" xlink:to="StockIssuedDuringPeriodSharesNewIssues" xlink:title="presentation: IssuanceOfCommonStockAbstract to StockIssuedDuringPeriodSharesNewIssues" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_StockIssuedDuringPeriodValuePerShareNewIssues" xlink:label="StockIssuedDuringPeriodValuePerShareNewIssues" xlink:title="StockIssuedDuringPeriodValuePerShareNewIssues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IssuanceOfCommonStockAbstract" xlink:to="StockIssuedDuringPeriodValuePerShareNewIssues" xlink:title="presentation: IssuanceOfCommonStockAbstract to StockIssuedDuringPeriodValuePerShareNewIssues" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IssuanceOfCommonStockAbstract" xlink:to="ProceedsFromIssuanceOfCommonStock" xlink:title="presentation: IssuanceOfCommonStockAbstract to ProceedsFromIssuanceOfCommonStock" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="PaymentsOfStockIssuanceCosts" xlink:title="PaymentsOfStockIssuanceCosts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IssuanceOfCommonStockAbstract" xlink:to="PaymentsOfStockIssuanceCosts" xlink:title="presentation: IssuanceOfCommonStockAbstract to PaymentsOfStockIssuanceCosts" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherExpenseIncurredForIssuanceOfCommonStock" xlink:label="OtherExpenseIncurredForIssuanceOfCommonStock" xlink:title="OtherExpenseIncurredForIssuanceOfCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IssuanceOfCommonStockAbstract" xlink:to="OtherExpenseIncurredForIssuanceOfCommonStock" xlink:title="presentation: IssuanceOfCommonStockAbstract to OtherExpenseIncurredForIssuanceOfCommonStock" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_StockRepurchaseProgramsAbstract" xlink:label="StockRepurchaseProgramsAbstract" xlink:title="StockRepurchaseProgramsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="StockRepurchaseProgramsAbstract" xlink:title="presentation: EquityAbstract to StockRepurchaseProgramsAbstract" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:label="StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:title="StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockRepurchaseProgramsAbstract" xlink:to="StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:title="presentation: StockRepurchaseProgramsAbstract to StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" xlink:label="ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" xlink:title="ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:label="ScheduleOfNonvestedShareActivityTableTextBlock" xlink:title="ScheduleOfNonvestedShareActivityTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfNonvestedShareActivityTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfNonvestedShareActivityTableTextBlock" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:label="ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:title="ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock" xlink:label="ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock" xlink:title="ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" xlink:label="ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" xlink:title="ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:title="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfShareBasedPaymentAwardStockAppreciationRightsValuationAssumptionsTableTextBlock" xlink:label="ScheduleOfShareBasedPaymentAwardStockAppreciationRightsValuationAssumptionsTableTextBlock" xlink:title="ScheduleOfShareBasedPaymentAwardStockAppreciationRightsValuationAssumptionsTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedPaymentAwardStockAppreciationRightsValuationAssumptionsTableTextBlock" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedPaymentAwardStockAppreciationRightsValuationAssumptionsTableTextBlock" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:title="presentation: EquityAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:title="presentation: EquityAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract" xlink:to="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:title="presentation: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedAbstract to EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="presentation: EquityAbstract to AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquity">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="StockholdersEquityNoteDisclosureTextBlock" xlink:title="StockholdersEquityNoteDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="StockholdersEquityNoteDisclosureTextBlock" xlink:title="presentation: EquityAbstract to StockholdersEquityNoteDisclosureTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:label="UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:title="UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract to UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="EquityComponentDomain" xlink:title="presentation: StatementEquityComponentsAxis to EquityComponentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="AccumulatedTranslationAdjustmentMember" xlink:title="AccumulatedTranslationAdjustmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="AccumulatedTranslationAdjustmentMember" xlink:title="presentation: EquityComponentDomain to AccumulatedTranslationAdjustmentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:title="AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:title="presentation: EquityComponentDomain to AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="ComprehensiveIncomeNetOfTaxAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="AccumulatedOtherComprehensiveIncomeLossTable" xlink:title="AccumulatedOtherComprehensiveIncomeLossTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="AccumulatedOtherComprehensiveIncomeLossTable" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to AccumulatedOtherComprehensiveIncomeLossTable" order="0.1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="StatementEquityComponentsAxis" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossTable to StatementEquityComponentsAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:title="AccumulatedOtherComprehensiveIncomeLossLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossTable to AccumulatedOtherComprehensiveIncomeLossLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:label="AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:title="AccumulatedOtherComprehensiveIncomeLossRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossLineItems to AccumulatedOtherComprehensiveIncomeLossRollForward" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax_2" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax_2" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossRollForward to AccumulatedOtherComprehensiveIncomeLossNetOfTax" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossRollForward to AccumulatedOtherComprehensiveIncomeLossNetOfTax" use="optional" priority="1" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="OtherComprehensiveIncomeLossNetOfTax" xlink:title="OtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="OtherComprehensiveIncomeLossNetOfTax" xlink:title="presentation: AccumulatedOtherComprehensiveIncomeLossRollForward to OtherComprehensiveIncomeLossNetOfTax" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureSignificantAccountingPolicies">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="AccountingPoliciesAbstract" xlink:title="AccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="SignificantAccountingPoliciesTextBlock" xlink:title="SignificantAccountingPoliciesTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountingPoliciesAbstract" xlink:to="SignificantAccountingPoliciesTextBlock" xlink:title="presentation: AccountingPoliciesAbstract to SignificantAccountingPoliciesTextBlock" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNetAbstract" xlink:label="InterestIncomeExpenseNetAbstract" xlink:title="InterestIncomeExpenseNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:label="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:title="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InterestIncomeExpenseNetAbstract" xlink:to="ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:title="presentation: InterestIncomeExpenseNetAbstract to ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCosts">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNetAbstract" xlink:label="InterestIncomeExpenseNetAbstract" xlink:title="InterestIncomeExpenseNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock" xlink:label="InterestIncomeAndInterestExpenseDisclosureTextBlock" xlink:title="InterestIncomeAndInterestExpenseDisclosureTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InterestIncomeExpenseNetAbstract" xlink:to="InterestIncomeAndInterestExpenseDisclosureTextBlock" xlink:title="presentation: InterestIncomeExpenseNetAbstract to InterestIncomeAndInterestExpenseDisclosureTextBlock" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureAcquisitionsAndSignificantAccountingPolicies">
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="AcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextBlock" xlink:label="AcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextBlock" xlink:title="AcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="AcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextBlock" xlink:title="presentation: AcquisitionsAndSignificantAccountingPoliciesAbstract to AcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextBlock" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/CashFlowsParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="CommonStockDividendsPerShareCashPaid" xlink:title="CommonStockDividendsPerShareCashPaid" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="CommonStockDividendsPerShareCashPaid" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to CommonStockDividendsPerShareCashPaid" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="DividendsPayableCurrentAndNoncurrent" xlink:title="DividendsPayableCurrentAndNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="DividendsPayableCurrentAndNoncurrent" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to DividendsPayableCurrentAndNoncurrent" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" xlink:label="AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" xlink:title="AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherLongTermLiabilitiesNoncash" xlink:label="OtherLongTermLiabilitiesNoncash" xlink:title="OtherLongTermLiabilitiesNoncash" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="OtherLongTermLiabilitiesNoncash" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to OtherLongTermLiabilitiesNoncash" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PercentageOfAcquisitionInterest" xlink:label="PercentageOfAcquisitionInterest" xlink:title="PercentageOfAcquisitionInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="PercentageOfAcquisitionInterest" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to PercentageOfAcquisitionInterest" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EquityBasedCompensationCurrentNoncash" xlink:label="EquityBasedCompensationCurrentNoncash" xlink:title="EquityBasedCompensationCurrentNoncash" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="EquityBasedCompensationCurrentNoncash" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to EquityBasedCompensationCurrentNoncash" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EquityBasedCompensationNoncurrentNoncash" xlink:label="EquityBasedCompensationNoncurrentNoncash" xlink:title="EquityBasedCompensationNoncurrentNoncash" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="EquityBasedCompensationNoncurrentNoncash" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to EquityBasedCompensationNoncurrentNoncash" use="optional" order="8030.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueOfEarnOut" xlink:label="FairValueOfEarnOut" xlink:title="FairValueOfEarnOut" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="FairValueOfEarnOut" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to FairValueOfEarnOut" use="optional" order="8040.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:label="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:title="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="AccruedExpensesAndOtherCurrentLiabilitiesNoncash" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to AccruedExpensesAndOtherCurrentLiabilitiesNoncash" use="optional" order="8050.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="CapitalExpendituresIncurredButNotYetPaid" xlink:title="CapitalExpendituresIncurredButNotYetPaid" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="CapitalExpendituresIncurredButNotYetPaid" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to CapitalExpendituresIncurredButNotYetPaid" use="optional" order="8060.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:label="BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:title="BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" use="optional" order="8070.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" use="optional" order="8080.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:label="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:title="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" use="optional" order="8090.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReduction" xlink:label="NotesReduction" xlink:title="NotesReduction" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="NotesReduction" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to NotesReduction" use="optional" order="8100.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:label="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:title="ExtinguishmentOfReceivablesRelatedToAcquisition" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="ExtinguishmentOfReceivablesRelatedToAcquisition" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to ExtinguishmentOfReceivablesRelatedToAcquisition" use="optional" order="8110.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:label="ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:title="ExtinguishmentOfReceivablesRelatedToFundingArrangement" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="ExtinguishmentOfReceivablesRelatedToFundingArrangement" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to ExtinguishmentOfReceivablesRelatedToFundingArrangement" use="optional" order="8120.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOfAssetsAcquired" xlink:label="FairValueOfAssetsAcquired" xlink:title="FairValueOfAssetsAcquired" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="FairValueOfAssetsAcquired" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to FairValueOfAssetsAcquired" use="optional" order="8130.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAssumed1" xlink:label="LiabilitiesAssumed1" xlink:title="LiabilitiesAssumed1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="LiabilitiesAssumed1" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to LiabilitiesAssumed1" use="optional" order="8140.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1" xlink:label="NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1" xlink:title="NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1" use="optional" order="8150.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NoncashOrPartNoncashAcquisitionReductionInOtherLiabilitiesAssumed" xlink:label="NoncashOrPartNoncashAcquisitionReductionInOtherLiabilitiesAssumed" xlink:title="NoncashOrPartNoncashAcquisitionReductionInOtherLiabilitiesAssumed" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="NoncashOrPartNoncashAcquisitionReductionInOtherLiabilitiesAssumed" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to NoncashOrPartNoncashAcquisitionReductionInOtherLiabilitiesAssumed" use="optional" order="8160.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="GoodwillPurchaseAccountingAdjustments" xlink:title="GoodwillPurchaseAccountingAdjustments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="GoodwillPurchaseAccountingAdjustments" xlink:title="presentation: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to GoodwillPurchaseAccountingAdjustments" use="optional" order="8170.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DocumentAndEntityInformation">
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityRegistrantName" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityRegistrantName" use="optional" order="10.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCentralIndexKey" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCentralIndexKey" use="optional" order="20.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentType" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentType" use="optional" order="30.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentPeriodEndDate" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentPeriodEndDate" use="optional" order="40.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="AmendmentFlag" xlink:title="presentation: DocumentAndEntityInformationAbstract to AmendmentFlag" use="optional" order="50.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentDescription" xlink:label="AmendmentDescription" xlink:title="AmendmentDescription" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="AmendmentDescription" xlink:title="presentation: DocumentAndEntityInformationAbstract to AmendmentDescription" use="optional" order="60.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="CurrentFiscalYearEndDate" xlink:title="presentation: DocumentAndEntityInformationAbstract to CurrentFiscalYearEndDate" use="optional" order="70.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityWellKnownSeasonedIssuer" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityWellKnownSeasonedIssuer" use="optional" order="80.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityVoluntaryFilers" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityVoluntaryFilers" use="optional" order="90.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCurrentReportingStatus" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCurrentReportingStatus" use="optional" order="100.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityFilerCategory" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityFilerCategory" use="optional" order="110.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="EntityPublicFloat" xlink:title="EntityPublicFloat" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityPublicFloat" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityPublicFloat" use="optional" order="120.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="EntityCommonStockSharesOutstanding" xlink:title="presentation: DocumentAndEntityInformationAbstract to EntityCommonStockSharesOutstanding" use="optional" order="130.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentFiscalYearFocus" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentFiscalYearFocus" use="optional" order="140.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="DocumentFiscalPeriodFocus" xlink:title="presentation: DocumentAndEntityInformationAbstract to DocumentFiscalPeriodFocus" use="optional" order="150.0" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/BalanceSheetParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="PreferredStockParOrStatedValuePerShare" xlink:title="PreferredStockParOrStatedValuePerShare" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="PreferredStockParOrStatedValuePerShare" xlink:title="presentation: StatementOfFinancialPositionAbstract to PreferredStockParOrStatedValuePerShare" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="PreferredStockSharesAuthorized" xlink:title="PreferredStockSharesAuthorized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="PreferredStockSharesAuthorized" xlink:title="presentation: StatementOfFinancialPositionAbstract to PreferredStockSharesAuthorized" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="PreferredStockSharesIssued" xlink:title="PreferredStockSharesIssued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="PreferredStockSharesIssued" xlink:title="presentation: StatementOfFinancialPositionAbstract to PreferredStockSharesIssued" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="CommonStockParOrStatedValuePerShare" xlink:title="presentation: StatementOfFinancialPositionAbstract to CommonStockParOrStatedValuePerShare" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="CommonStockSharesAuthorized" xlink:title="presentation: StatementOfFinancialPositionAbstract to CommonStockSharesAuthorized" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="CommonStockSharesIssued" xlink:title="presentation: StatementOfFinancialPositionAbstract to CommonStockSharesIssued" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="CommonStockSharesOutstanding" xlink:title="presentation: StatementOfFinancialPositionAbstract to CommonStockSharesOutstanding" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/StatementOfStockholdersEquityParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="StatementOfStockholdersEquityAbstract" xlink:title="StatementOfStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:title="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:title="presentation: StatementOfStockholdersEquityAbstract to AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncomeParenthetical">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:title="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:title="presentation: IncomeStatementAbstract to OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLoss">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="ComprehensiveIncomeNetOfTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="ComprehensiveIncomeNoteTextBlock" xlink:title="ComprehensiveIncomeNoteTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ComprehensiveIncomeNoteTextBlock" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ComprehensiveIncomeNoteTextBlock" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="ComprehensiveIncomeNetOfTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:title="ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/CashFlows">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="ProfitLoss" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to ProfitLoss" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="DepreciationAndAmortization" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DepreciationAndAmortization" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="ProvisionForDoubtfulAccounts" xlink:title="ProvisionForDoubtfulAccounts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="ProvisionForDoubtfulAccounts" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ProvisionForDoubtfulAccounts" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="ShareBasedCompensation" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ShareBasedCompensation" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="DeferredIncomeTaxExpenseBenefit" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to DeferredIncomeTaxExpenseBenefit" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="GainsLossesOnExtinguishmentOfDebt" xlink:title="GainsLossesOnExtinguishmentOfDebt" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="GainsLossesOnExtinguishmentOfDebt" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to GainsLossesOnExtinguishmentOfDebt" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="ForeignCurrencyTransactionGainLossUnrealized" xlink:title="ForeignCurrencyTransactionGainLossUnrealized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="ForeignCurrencyTransactionGainLossUnrealized" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to ForeignCurrencyTransactionGainLossUnrealized" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="OtherNoncashIncomeExpense" xlink:title="OtherNoncashIncomeExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="OtherNoncashIncomeExpense" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to OtherNoncashIncomeExpense" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to IncreaseDecreaseInOperatingCapitalAbstract" use="optional" order="80.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="IncreaseDecreaseInAccountsReceivable" xlink:title="IncreaseDecreaseInAccountsReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInAccountsReceivable" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInAccountsReceivable" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="IncreaseDecreaseInInventories" xlink:title="IncreaseDecreaseInInventories" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInInventories" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInInventories" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="IncreaseDecreaseInPrepaidExpense" xlink:title="IncreaseDecreaseInPrepaidExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInPrepaidExpense" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInPrepaidExpense" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="IncreaseDecreaseInOtherOperatingAssets" xlink:title="IncreaseDecreaseInOtherOperatingAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInOtherOperatingAssets" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInOtherOperatingAssets" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseCashCollateralFromCounterparties" xlink:label="IncreaseDecreaseCashCollateralFromCounterparties" xlink:title="IncreaseDecreaseCashCollateralFromCounterparties" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseCashCollateralFromCounterparties" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseCashCollateralFromCounterparties" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="IncreaseDecreaseInOtherNoncurrentAssets" xlink:title="IncreaseDecreaseInOtherNoncurrentAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInOtherNoncurrentAssets" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInOtherNoncurrentAssets" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="IncreaseDecreaseInAccountsPayable" xlink:title="IncreaseDecreaseInAccountsPayable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInAccountsPayable" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInAccountsPayable" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" xlink:label="IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" xlink:title="IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" use="optional" order="80.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" xlink:label="IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" xlink:title="IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" use="optional" order="90.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInTransactionTaxesReceivable" xlink:label="IncreaseDecreaseInTransactionTaxesReceivable" xlink:title="IncreaseDecreaseInTransactionTaxesReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInTransactionTaxesReceivable" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInTransactionTaxesReceivable" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInShortTermDerivativeAssets" xlink:label="IncreaseDecreaseInShortTermDerivativeAssets" xlink:title="IncreaseDecreaseInShortTermDerivativeAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInShortTermDerivativeAssets" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInShortTermDerivativeAssets" order="8010.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInTransactionTaxesPayable" xlink:label="IncreaseDecreaseInTransactionTaxesPayable" xlink:title="IncreaseDecreaseInTransactionTaxesPayable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInTransactionTaxesPayable" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInTransactionTaxesPayable" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IncreaseDecreaseInShortTermDerivativeLiabilities" xlink:label="IncreaseDecreaseInShortTermDerivativeLiabilities" xlink:title="IncreaseDecreaseInShortTermDerivativeLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInShortTermDerivativeLiabilities" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInShortTermDerivativeLiabilities" order="8030.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:label="IncreaseDecreaseInCustomerDeposits" xlink:title="IncreaseDecreaseInCustomerDeposits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="IncreaseDecreaseInCustomerDeposits" xlink:title="presentation: IncreaseDecreaseInOperatingCapitalAbstract to IncreaseDecreaseInCustomerDeposits" use="optional" order="8040.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" use="optional" order="90.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="GainLossOnInvestments" xlink:title="GainLossOnInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="GainLossOnInvestments" xlink:title="presentation: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to GainLossOnInvestments" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="presentation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract to NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to PaymentsToAcquireBusinessesNetOfCashAcquired" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to PaymentsToAcquirePropertyPlantAndEquipment" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="PaymentsToAcquireShortTermInvestments" xlink:title="PaymentsToAcquireShortTermInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsToAcquireShortTermInvestments" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to PaymentsToAcquireShortTermInvestments" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FundingArrangementToServiceProvider" xlink:label="FundingArrangementToServiceProvider" xlink:title="FundingArrangementToServiceProvider" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="FundingArrangementToServiceProvider" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to FundingArrangementToServiceProvider" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="ProceedsFromSaleOfShortTermInvestments" xlink:title="ProceedsFromSaleOfShortTermInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromSaleOfShortTermInvestments" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to ProceedsFromSaleOfShortTermInvestments" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireNotesReceivable" xlink:label="PaymentsToAcquireNotesReceivable" xlink:title="PaymentsToAcquireNotesReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsToAcquireNotesReceivable" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to PaymentsToAcquireNotesReceivable" use="optional" order="8030.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="ProceedsFromCollectionOfNotesReceivable" xlink:title="ProceedsFromCollectionOfNotesReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromCollectionOfNotesReceivable" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to ProceedsFromCollectionOfNotesReceivable" use="optional" order="8040.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="PaymentsForProceedsFromOtherInvestingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="presentation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract to PaymentsForProceedsFromOtherInvestingActivities" order="30.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="ProceedsFromLinesOfCredit" xlink:title="ProceedsFromLinesOfCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromLinesOfCredit" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromLinesOfCredit" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="RepaymentsOfLinesOfCredit" xlink:title="RepaymentsOfLinesOfCredit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="RepaymentsOfLinesOfCredit" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to RepaymentsOfLinesOfCredit" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="RepaymentsOfOtherDebt" xlink:title="RepaymentsOfOtherDebt" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="RepaymentsOfOtherDebt" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to RepaymentsOfOtherDebt" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="PaymentsOfDividendsCommonStock" xlink:title="PaymentsOfDividendsCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsOfDividendsCommonStock" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentsOfDividendsCommonStock" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="PaymentsOfDividendsMinorityInterest" xlink:title="PaymentsOfDividendsMinorityInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsOfDividendsMinorityInterest" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentsOfDividendsMinorityInterest" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" xlink:label="PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" xlink:title="PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" use="optional" order="80.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PaymentOfPensionFundExitFee" xlink:label="PaymentOfPensionFundExitFee" xlink:title="PaymentOfPensionFundExitFee" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentOfPensionFundExitFee" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentOfPensionFundExitFee" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfRestrictedCashFinancingActivities" xlink:label="ProceedsFromRepaymentsOfRestrictedCashFinancingActivities" xlink:title="ProceedsFromRepaymentsOfRestrictedCashFinancingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromRepaymentsOfRestrictedCashFinancingActivities" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromRepaymentsOfRestrictedCashFinancingActivities" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="ProceedsFromPaymentsForOtherFinancingActivities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromPaymentsForOtherFinancingActivities" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromOtherDebt" xlink:label="ProceedsFromOtherDebt" xlink:title="ProceedsFromOtherDebt" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromOtherDebt" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromOtherDebt" use="optional" order="8030.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="ProceedsFromIssuanceOfDebt" xlink:title="ProceedsFromIssuanceOfDebt" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromIssuanceOfDebt" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromIssuanceOfDebt" use="optional" order="8040.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="PaymentsOfFinancingCosts" xlink:title="PaymentsOfFinancingCosts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsOfFinancingCosts" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentsOfFinancingCosts" use="optional" order="8050.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" xlink:label="RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" xlink:title="RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" use="optional" order="8060.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PaymentOfAssumedEmployeeBenefits" xlink:label="PaymentOfAssumedEmployeeBenefits" xlink:title="PaymentOfAssumedEmployeeBenefits" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentOfAssumedEmployeeBenefits" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentOfAssumedEmployeeBenefits" use="optional" order="8070.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="ProceedsFromMinorityShareholders" xlink:title="ProceedsFromMinorityShareholders" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromMinorityShareholders" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromMinorityShareholders" use="optional" order="8080.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromIssuanceOfCommonStock" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromIssuanceOfCommonStock" use="optional" order="8090.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="ProceedsFromStockOptionsExercised" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to ProceedsFromStockOptionsExercised" use="optional" order="8100.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForPreviousAcquisition" xlink:label="PaymentsForPreviousAcquisition" xlink:title="PaymentsForPreviousAcquisition" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="PaymentsForPreviousAcquisition" xlink:title="presentation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract to PaymentsForPreviousAcquisition" use="optional" order="8110.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:label="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:title="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:title="presentation: StatementOfCashFlowsAbstract to EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="NetCashProvidedByUsedInContinuingOperations" xlink:title="NetCashProvidedByUsedInContinuingOperations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="NetCashProvidedByUsedInContinuingOperations" xlink:title="presentation: StatementOfCashFlowsAbstract to NetCashProvidedByUsedInContinuingOperations" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="presentation: StatementOfCashFlowsAbstract to CashAndCashEquivalentsAtCarryingValue" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue_2" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue_2" xlink:title="presentation: StatementOfCashFlowsAbstract to CashAndCashEquivalentsAtCarryingValue" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="SupplementalCashFlowInformationAbstract" xlink:title="SupplementalCashFlowInformationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfCashFlowsAbstract" xlink:to="SupplementalCashFlowInformationAbstract" xlink:title="presentation: StatementOfCashFlowsAbstract to SupplementalCashFlowInformationAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="InterestPaidNet" xlink:title="InterestPaidNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SupplementalCashFlowInformationAbstract" xlink:to="InterestPaidNet" xlink:title="presentation: SupplementalCashFlowInformationAbstract to InterestPaidNet" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="IncomeTaxesPaidNet" xlink:title="IncomeTaxesPaidNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SupplementalCashFlowInformationAbstract" xlink:to="IncomeTaxesPaidNet" xlink:title="presentation: SupplementalCashFlowInformationAbstract to IncomeTaxesPaidNet" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="Revenues" xlink:title="presentation: IncomeStatementAbstract to Revenues" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="CostOfRevenue" xlink:title="CostOfRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="CostOfRevenue" xlink:title="presentation: IncomeStatementAbstract to CostOfRevenue" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="GrossProfit" xlink:title="presentation: IncomeStatementAbstract to GrossProfit" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="OperatingExpensesAbstract" xlink:title="presentation: IncomeStatementAbstract to OperatingExpensesAbstract" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="LaborAndRelatedExpense" xlink:title="LaborAndRelatedExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="LaborAndRelatedExpense" xlink:title="presentation: OperatingExpensesAbstract to LaborAndRelatedExpense" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="ProvisionForDoubtfulAccounts" xlink:title="ProvisionForDoubtfulAccounts" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="ProvisionForDoubtfulAccounts" xlink:title="presentation: OperatingExpensesAbstract to ProvisionForDoubtfulAccounts" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="GeneralAndAdministrativeExpense" xlink:title="presentation: OperatingExpensesAbstract to GeneralAndAdministrativeExpense" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingExpensesAbstract" xlink:to="OperatingExpenses" xlink:title="presentation: OperatingExpensesAbstract to OperatingExpenses" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="OperatingIncomeLoss" xlink:title="presentation: IncomeStatementAbstract to OperatingIncomeLoss" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="NonoperatingIncomeExpenseAbstract" xlink:title="NonoperatingIncomeExpenseAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="NonoperatingIncomeExpenseAbstract" xlink:title="presentation: IncomeStatementAbstract to NonoperatingIncomeExpenseAbstract" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:label="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="presentation: NonoperatingIncomeExpenseAbstract to InterestIncomeExpenseAndOtherFinancialCostsNet" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="OtherNonoperatingIncomeExpense" xlink:title="presentation: NonoperatingIncomeExpenseAbstract to OtherNonoperatingIncomeExpense" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="NonoperatingIncomeExpense" xlink:title="presentation: NonoperatingIncomeExpenseAbstract to NonoperatingIncomeExpense" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="presentation: IncomeStatementAbstract to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="IncomeTaxExpenseBenefit" xlink:title="presentation: IncomeStatementAbstract to IncomeTaxExpenseBenefit" use="optional" order="80.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="ProfitLoss" xlink:title="presentation: IncomeStatementAbstract to ProfitLoss" use="optional" order="90.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="presentation: IncomeStatementAbstract to NetIncomeLossAttributableToNoncontrollingInterest" use="optional" order="100.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="presentation: IncomeStatementAbstract to NetIncomeLossAvailableToCommonStockholdersBasic" use="optional" order="110.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="EarningsPerShareBasic" xlink:title="presentation: IncomeStatementAbstract to EarningsPerShareBasic" use="optional" order="120.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="presentation: IncomeStatementAbstract to WeightedAverageNumberOfSharesOutstandingBasic" use="optional" order="130.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="EarningsPerShareDiluted" xlink:title="presentation: IncomeStatementAbstract to EarningsPerShareDiluted" use="optional" order="140.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="presentation: IncomeStatementAbstract to WeightedAverageNumberOfDilutedSharesOutstanding" use="optional" order="150.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="ComprehensiveIncomeNetOfTaxAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementAbstract" xlink:to="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="presentation: IncomeStatementAbstract to ComprehensiveIncomeNetOfTaxAbstract" use="optional" order="160.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ProfitLoss" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ProfitLoss" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="presentation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="presentation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="OtherComprehensiveIncomeLossNetOfTax" xlink:title="OtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="OtherComprehensiveIncomeLossNetOfTax" xlink:title="presentation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to OtherComprehensiveIncomeLossNetOfTax" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="ComprehensiveIncomeNetOfTax" xlink:title="ComprehensiveIncomeNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="ComprehensiveIncomeNetOfTax" xlink:title="presentation: ComprehensiveIncomeNetOfTaxAbstract to ComprehensiveIncomeNetOfTax" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/BalanceSheet">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="Assets" xlink:title="presentation: AssetsAbstract to Assets" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="AssetsCurrentAbstract" xlink:title="presentation: AssetsAbstract to AssetsCurrentAbstract" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="presentation: AssetsCurrentAbstract to CashAndCashEquivalentsAtCarryingValue" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="AccountsReceivableNetCurrent" xlink:title="presentation: AssetsCurrentAbstract to AccountsReceivableNetCurrent" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="InventoryNet" xlink:title="presentation: AssetsCurrentAbstract to InventoryNet" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="PrepaidExpenseCurrent" xlink:title="PrepaidExpenseCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="PrepaidExpenseCurrent" xlink:title="presentation: AssetsCurrentAbstract to PrepaidExpenseCurrent" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="OtherAssetsCurrent" xlink:title="OtherAssetsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="OtherAssetsCurrent" xlink:title="presentation: AssetsCurrentAbstract to OtherAssetsCurrent" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="AssetsCurrent" xlink:title="presentation: AssetsCurrentAbstract to AssetsCurrent" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="ShortTermInvestments" xlink:title="ShortTermInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="ShortTermInvestments" xlink:title="presentation: AssetsCurrentAbstract to ShortTermInvestments" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_TransactionTaxesReceivable" xlink:label="TransactionTaxesReceivable" xlink:title="TransactionTaxesReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="TransactionTaxesReceivable" xlink:title="presentation: AssetsCurrentAbstract to TransactionTaxesReceivable" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="DerivativeAssetsCurrent" xlink:title="DerivativeAssetsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsCurrentAbstract" xlink:to="DerivativeAssetsCurrent" xlink:title="presentation: AssetsCurrentAbstract to DerivativeAssetsCurrent" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="PropertyPlantAndEquipmentNet" xlink:title="presentation: AssetsAbstract to PropertyPlantAndEquipmentNet" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="Goodwill" xlink:title="presentation: AssetsAbstract to Goodwill" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" xlink:label="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" xlink:title="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" xlink:title="presentation: AssetsAbstract to IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="OtherAssetsNoncurrent" xlink:title="presentation: AssetsAbstract to OtherAssetsNoncurrent" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="AssetsAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to AssetsAbstract" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="LiabilitiesAbstract" xlink:title="LiabilitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAbstract" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAbstract" xlink:to="LiabilitiesCurrentAbstract" xlink:title="presentation: LiabilitiesAbstract to LiabilitiesCurrentAbstract" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtCurrent" xlink:label="DebtCurrent" xlink:title="DebtCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="DebtCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to DebtCurrent" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="AccountsPayableCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to AccountsPayableCurrent" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="AccruedLiabilitiesCurrent" xlink:title="AccruedLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="AccruedLiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to AccruedLiabilitiesCurrent" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="LiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to LiabilitiesCurrent" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_TransactionTaxesPayable" xlink:label="TransactionTaxesPayable" xlink:title="TransactionTaxesPayable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="TransactionTaxesPayable" xlink:title="presentation: LiabilitiesCurrentAbstract to TransactionTaxesPayable" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="DerivativeLiabilitiesCurrent" xlink:title="DerivativeLiabilitiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="DerivativeLiabilitiesCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to DerivativeLiabilitiesCurrent" use="optional" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="CustomerDepositsCurrent" xlink:title="CustomerDepositsCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesCurrentAbstract" xlink:to="CustomerDepositsCurrent" xlink:title="presentation: LiabilitiesCurrentAbstract to CustomerDepositsCurrent" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="LongTermDebtAndCapitalLeaseObligations" xlink:title="LongTermDebtAndCapitalLeaseObligations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAbstract" xlink:to="LongTermDebtAndCapitalLeaseObligations" xlink:title="presentation: LiabilitiesAbstract to LongTermDebtAndCapitalLeaseObligations" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="AccruedIncomeTaxesNoncurrent" xlink:title="AccruedIncomeTaxesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAbstract" xlink:to="AccruedIncomeTaxesNoncurrent" xlink:title="presentation: LiabilitiesAbstract to AccruedIncomeTaxesNoncurrent" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" xlink:label="DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" xlink:title="DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAbstract" xlink:to="DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" xlink:title="presentation: LiabilitiesAbstract to DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesAbstract" xlink:to="Liabilities" xlink:title="presentation: LiabilitiesAbstract to Liabilities" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="CommitmentsAndContingencies" xlink:title="presentation: StatementOfFinancialPositionAbstract to CommitmentsAndContingencies" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="StockholdersEquityAbstract" xlink:title="presentation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to StockholdersEquityAbstract" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="PreferredStockValue" xlink:title="presentation: StockholdersEquityAbstract to PreferredStockValue" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="CommonStockValue" xlink:title="presentation: StockholdersEquityAbstract to CommonStockValue" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:title="presentation: StockholdersEquityAbstract to AdditionalPaidInCapitalCommonStock" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:title="presentation: StockholdersEquityAbstract to RetainedEarningsAccumulatedDeficit" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="presentation: StockholdersEquityAbstract to AccumulatedOtherComprehensiveIncomeLossNetOfTax" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityAbstract" xlink:to="StockholdersEquity" xlink:title="presentation: StockholdersEquityAbstract to StockholdersEquity" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="MinorityInterest" xlink:title="presentation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to MinorityInterest" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="presentation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAndStockholdersEquity" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquity" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="LiabilitiesAndStockholdersEquityAbstract" xlink:title="presentation: StatementOfFinancialPositionAbstract to LiabilitiesAndStockholdersEquityAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="NetIncomeLossAbstract" xlink:title="NetIncomeLossAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="NetIncomeLossAbstract" xlink:title="presentation: EarningsPerShareAbstract to NetIncomeLossAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NetIncomeLossAbstract" xlink:to="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="presentation: NetIncomeLossAbstract to NetIncomeLossAvailableToCommonStockholdersBasic" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="presentation: EarningsPerShareAbstract to WeightedAverageNumberOfSharesOutstandingAbstract" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="presentation: WeightedAverageNumberOfSharesOutstandingAbstract to WeightedAverageNumberOfSharesOutstandingBasic" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:title="WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:title="presentation: WeightedAverageNumberOfSharesOutstandingAbstract to WeightedAverageNumberDilutedSharesOutstandingAdjustment" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="presentation: WeightedAverageNumberOfSharesOutstandingAbstract to WeightedAverageNumberOfDilutedSharesOutstanding" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="presentation: EarningsPerShareAbstract to AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareBasic" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareBasic" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareAbstract" xlink:to="EarningsPerShareDiluted" xlink:title="presentation: EarningsPerShareAbstract to EarningsPerShareDiluted" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDerivativesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeTable" xlink:label="DerivativeTable" xlink:title="DerivativeTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="DerivativeTable" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to DerivativeTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="HedgingDesignationAxis" xlink:title="HedgingDesignationAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="HedgingDesignationAxis" xlink:title="presentation: DerivativeTable to HedgingDesignationAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="HedgingDesignationDomain" xlink:title="HedgingDesignationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationAxis" xlink:to="HedgingDesignationDomain" xlink:title="presentation: HedgingDesignationAxis to HedgingDesignationDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="DesignatedAsHedgingInstrumentMember" xlink:title="DesignatedAsHedgingInstrumentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="DesignatedAsHedgingInstrumentMember" xlink:title="presentation: HedgingDesignationDomain to DesignatedAsHedgingInstrumentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="NondesignatedMember" xlink:title="NondesignatedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="NondesignatedMember" xlink:title="presentation: HedgingDesignationDomain to NondesignatedMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="presentation: DerivativeTable to DerivativeInstrumentsGainLossByHedgingRelationshipAxis" use="optional" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="HedgingRelationshipDomain" xlink:title="HedgingRelationshipDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:to="HedgingRelationshipDomain" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipAxis to HedgingRelationshipDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="CashFlowHedgingMember" xlink:title="CashFlowHedgingMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingRelationshipDomain" xlink:to="CashFlowHedgingMember" xlink:title="presentation: HedgingRelationshipDomain to CashFlowHedgingMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="FairValueHedgingMember" xlink:title="FairValueHedgingMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingRelationshipDomain" xlink:to="FairValueHedgingMember" xlink:title="presentation: HedgingRelationshipDomain to FairValueHedgingMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="DerivativeByNatureAxis" xlink:title="DerivativeByNatureAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativeByNatureAxis" xlink:title="presentation: DerivativeTable to DerivativeByNatureAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="DerivativeNameDomain" xlink:title="DerivativeNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeByNatureAxis" xlink:to="DerivativeNameDomain" xlink:title="presentation: DerivativeByNatureAxis to DerivativeNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractLongMember" xlink:label="CommodityContractLongMember" xlink:title="CommodityContractLongMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="CommodityContractLongMember" xlink:title="presentation: DerivativeNameDomain to CommodityContractLongMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractShortMember" xlink:label="CommodityContractShortMember" xlink:title="CommodityContractShortMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="CommodityContractShortMember" xlink:title="presentation: DerivativeNameDomain to CommodityContractShortMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractInventoryLongMember" xlink:label="CommodityContractInventoryLongMember" xlink:title="CommodityContractInventoryLongMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="CommodityContractInventoryLongMember" xlink:title="presentation: DerivativeNameDomain to CommodityContractInventoryLongMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractInventoryShortMember" xlink:label="CommodityContractInventoryShortMember" xlink:title="CommodityContractInventoryShortMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="CommodityContractInventoryShortMember" xlink:title="presentation: DerivativeNameDomain to CommodityContractInventoryShortMember" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignCurrencyContractsLongMember" xlink:label="ForeignCurrencyContractsLongMember" xlink:title="ForeignCurrencyContractsLongMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="ForeignCurrencyContractsLongMember" xlink:title="presentation: DerivativeNameDomain to ForeignCurrencyContractsLongMember" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignCurrencyContractsShortMember" xlink:label="ForeignCurrencyContractsShortMember" xlink:title="ForeignCurrencyContractsShortMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeNameDomain" xlink:to="ForeignCurrencyContractsShortMember" xlink:title="presentation: DerivativeNameDomain to ForeignCurrencyContractsShortMember" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DerivativeSettlementPeriodAxis" xlink:label="DerivativeSettlementPeriodAxis" xlink:title="DerivativeSettlementPeriodAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativeSettlementPeriodAxis" xlink:title="presentation: DerivativeTable to DerivativeSettlementPeriodAxis" order="4.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DerivativeSettlementPeriodDomain" xlink:label="DerivativeSettlementPeriodDomain" xlink:title="DerivativeSettlementPeriodDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeSettlementPeriodAxis" xlink:to="DerivativeSettlementPeriodDomain" xlink:title="presentation: DerivativeSettlementPeriodAxis to DerivativeSettlementPeriodDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SettlementPeriod2013Member" xlink:label="SettlementPeriod2013Member" xlink:title="SettlementPeriod2013Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="SettlementPeriod2013Member" xlink:title="presentation: DerivativeSettlementPeriodDomain to SettlementPeriod2013Member" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SettlementPeriod2014Member" xlink:label="SettlementPeriod2014Member" xlink:title="SettlementPeriod2014Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="SettlementPeriod2014Member" xlink:title="presentation: DerivativeSettlementPeriodDomain to SettlementPeriod2014Member" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SettlementPeriod2015Member" xlink:label="SettlementPeriod2015Member" xlink:title="SettlementPeriod2015Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="SettlementPeriod2015Member" xlink:title="presentation: DerivativeSettlementPeriodDomain to SettlementPeriod2015Member" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SettlementPeriod2012Member" xlink:label="SettlementPeriod2012Member" xlink:title="SettlementPeriod2012Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeSettlementPeriodDomain" xlink:to="SettlementPeriod2012Member" xlink:title="presentation: DerivativeSettlementPeriodDomain to SettlementPeriod2012Member" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DerivativeCurrencyAxis" xlink:label="DerivativeCurrencyAxis" xlink:title="DerivativeCurrencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativeCurrencyAxis" xlink:title="presentation: DerivativeTable to DerivativeCurrencyAxis" order="5.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="AllCurrenciesDomain" xlink:title="AllCurrenciesDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeCurrencyAxis" xlink:to="AllCurrenciesDomain" xlink:title="presentation: DerivativeCurrencyAxis to AllCurrenciesDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_AUD" xlink:label="AUD" xlink:title="AUD" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="AUD" xlink:title="presentation: AllCurrenciesDomain to AUD" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_BRL" xlink:label="BRL" xlink:title="BRL" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="BRL" xlink:title="presentation: AllCurrenciesDomain to BRL" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_CAD" xlink:label="CAD" xlink:title="CAD" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="CAD" xlink:title="presentation: AllCurrenciesDomain to CAD" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_CLP" xlink:label="CLP" xlink:title="CLP" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="CLP" xlink:title="presentation: AllCurrenciesDomain to CLP" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_COP" xlink:label="COP" xlink:title="COP" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="COP" xlink:title="presentation: AllCurrenciesDomain to COP" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_DKK" xlink:label="DKK" xlink:title="DKK" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="DKK" xlink:title="presentation: AllCurrenciesDomain to DKK" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_EUR" xlink:label="EUR" xlink:title="EUR" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="EUR" xlink:title="presentation: AllCurrenciesDomain to EUR" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_GBP" xlink:label="GBP" xlink:title="GBP" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="GBP" xlink:title="presentation: AllCurrenciesDomain to GBP" use="optional" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_INR" xlink:label="INR" xlink:title="INR" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="INR" xlink:title="presentation: AllCurrenciesDomain to INR" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_JPY" xlink:label="JPY" xlink:title="JPY" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="JPY" xlink:title="presentation: AllCurrenciesDomain to JPY" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_MXN" xlink:label="MXN" xlink:title="MXN" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="MXN" xlink:title="presentation: AllCurrenciesDomain to MXN" use="optional" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_NOK" xlink:label="NOK" xlink:title="NOK" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="NOK" xlink:title="presentation: AllCurrenciesDomain to NOK" use="optional" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_PLN" xlink:label="PLN" xlink:title="PLN" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="PLN" xlink:title="presentation: AllCurrenciesDomain to PLN" use="optional" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_RON" xlink:label="RON" xlink:title="RON" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="RON" xlink:title="presentation: AllCurrenciesDomain to RON" use="optional" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_SGD" xlink:label="SGD" xlink:title="SGD" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="SGD" xlink:title="presentation: AllCurrenciesDomain to SGD" use="optional" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_ZAR" xlink:label="ZAR" xlink:title="ZAR" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="ZAR" xlink:title="presentation: AllCurrenciesDomain to ZAR" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_HKD" xlink:label="HKD" xlink:title="HKD" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="HKD" xlink:title="presentation: AllCurrenciesDomain to HKD" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_CZK" xlink:label="CZK" xlink:title="CZK" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="CZK" xlink:title="presentation: AllCurrenciesDomain to CZK" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_CHF" xlink:label="CHF" xlink:title="CHF" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="CHF" xlink:title="presentation: AllCurrenciesDomain to CHF" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd#currency_UYU" xlink:label="UYU" xlink:title="UYU" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllCurrenciesDomain" xlink:to="UYU" xlink:title="presentation: AllCurrenciesDomain to UYU" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DerivativeUnitOfMeasureAxis" xlink:label="DerivativeUnitOfMeasureAxis" xlink:title="DerivativeUnitOfMeasureAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativeUnitOfMeasureAxis" xlink:title="presentation: DerivativeTable to DerivativeUnitOfMeasureAxis" order="6.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnitOfMeasureDomain" xlink:label="UnitOfMeasureDomain" xlink:title="UnitOfMeasureDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeUnitOfMeasureAxis" xlink:to="UnitOfMeasureDomain" xlink:title="presentation: DerivativeUnitOfMeasureAxis to UnitOfMeasureDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BarrelMember" xlink:label="BarrelMember" xlink:title="BarrelMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnitOfMeasureDomain" xlink:to="BarrelMember" xlink:title="presentation: UnitOfMeasureDomain to BarrelMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_GallonMember" xlink:label="GallonMember" xlink:title="GallonMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnitOfMeasureDomain" xlink:to="GallonMember" xlink:title="presentation: UnitOfMeasureDomain to GallonMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MetricTonMember" xlink:label="MetricTonMember" xlink:title="MetricTonMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="UnitOfMeasureDomain" xlink:to="MetricTonMember" xlink:title="presentation: UnitOfMeasureDomain to MetricTonMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="DerivativesFairValueLineItems" xlink:title="DerivativesFairValueLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeTable" xlink:to="DerivativesFairValueLineItems" xlink:title="presentation: DerivativeTable to DerivativesFairValueLineItems" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd#invest_DerivativeNonmonetaryNotionalAmount" xlink:label="DerivativeNonmonetaryNotionalAmount" xlink:title="DerivativeNonmonetaryNotionalAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="DerivativeNonmonetaryNotionalAmount" xlink:title="presentation: DerivativesFairValueLineItems to DerivativeNonmonetaryNotionalAmount" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskCashFlowHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:label="PriceRiskCashFlowHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:title="PriceRiskCashFlowHedgeDerivativeWeightedAverageFixedFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskCashFlowHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskCashFlowHedgeDerivativeWeightedAverageFixedFairValuePerUnit" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskCashFlowHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:label="PriceRiskCashFlowHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:title="PriceRiskCashFlowHedgeDerivativeWeightedAverageFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskCashFlowHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskCashFlowHedgeDerivativeWeightedAverageFairValuePerUnit" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PriceRiskCashFlowHedgeDerivativeAtFairValueNet" xlink:label="PriceRiskCashFlowHedgeDerivativeAtFairValueNet" xlink:title="PriceRiskCashFlowHedgeDerivativeAtFairValueNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskCashFlowHedgeDerivativeAtFairValueNet" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskCashFlowHedgeDerivativeAtFairValueNet" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskFairValueHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:label="PriceRiskFairValueHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:title="PriceRiskFairValueHedgeDerivativeWeightedAverageFixedFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskFairValueHedgeDerivativeWeightedAverageFixedFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskFairValueHedgeDerivativeWeightedAverageFixedFairValuePerUnit" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskFairValueHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:label="PriceRiskFairValueHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:title="PriceRiskFairValueHedgeDerivativeWeightedAverageFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskFairValueHedgeDerivativeWeightedAverageFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskFairValueHedgeDerivativeWeightedAverageFairValuePerUnit" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:label="PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:title="PriceRiskFairValueHedgeDerivativeAtFairValueNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskFairValueHedgeDerivativeAtFairValueNet" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskFairValueHedgeDerivativeAtFairValueNet" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" use="optional" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" use="optional" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:title="NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:title="presentation: DerivativesFairValueLineItems to NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" use="optional" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFixedFairValuePerUnit" use="optional" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsWeightedAverageFairValuePerUnit" use="optional" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" xlink:title="presentation: DerivativesFairValueLineItems to ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet" use="optional" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="DerivativeFairValueOfDerivativeNet" xlink:title="DerivativeFairValueOfDerivativeNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="DerivativeFairValueOfDerivativeNet" xlink:title="presentation: DerivativesFairValueLineItems to DerivativeFairValueOfDerivativeNet" use="optional" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskCashFlowHedgeDerivativeFairValuePerUnit" xlink:label="PriceRiskCashFlowHedgeDerivativeFairValuePerUnit" xlink:title="PriceRiskCashFlowHedgeDerivativeFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskCashFlowHedgeDerivativeFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskCashFlowHedgeDerivativeFairValuePerUnit" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:label="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:title="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskFairValueHedgeDerivativeFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskFairValueHedgeDerivativeFairValuePerUnit" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:label="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:label="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" xlink:title="presentation: DerivativesFairValueLineItems to ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsFairValuePerUnit" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossOnFairValueHedgeIneffectiveness" xlink:label="LossOnFairValueHedgeIneffectiveness" xlink:title="LossOnFairValueHedgeIneffectiveness" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="LossOnFairValueHedgeIneffectiveness" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to LossOnFairValueHedgeIneffectiveness" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainOnFairValueHedgeIneffectiveness" xlink:label="GainOnFairValueHedgeIneffectiveness" xlink:title="GainOnFairValueHedgeIneffectiveness" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="GainOnFairValueHedgeIneffectiveness" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to GainOnFairValueHedgeIneffectiveness" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:title="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDerivativesDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="HedgingDesignationAxis" xlink:title="HedgingDesignationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="HedgingDesignationDomain" xlink:title="HedgingDesignationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationAxis" xlink:to="HedgingDesignationDomain" xlink:title="presentation: HedgingDesignationAxis to HedgingDesignationDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="DesignatedAsHedgingInstrumentMember" xlink:title="DesignatedAsHedgingInstrumentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="DesignatedAsHedgingInstrumentMember" xlink:title="presentation: HedgingDesignationDomain to DesignatedAsHedgingInstrumentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="NondesignatedMember" xlink:title="NondesignatedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="NondesignatedMember" xlink:title="presentation: HedgingDesignationDomain to NondesignatedMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="DerivativesFairValueLineItems" xlink:title="DerivativesFairValueLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="DerivativeFairValueOfDerivativeAsset" xlink:title="DerivativeFairValueOfDerivativeAsset" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="DerivativeFairValueOfDerivativeAsset" xlink:title="presentation: DerivativesFairValueLineItems to DerivativeFairValueOfDerivativeAsset" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="DerivativeFairValueOfDerivativeLiability" xlink:title="DerivativeFairValueOfDerivativeLiability" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="DerivativeFairValueOfDerivativeLiability" xlink:title="presentation: DerivativesFairValueLineItems to DerivativeFairValueOfDerivativeLiability" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:title="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="HedgingDesignationAxis" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to HedgingDesignationAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="DerivativeInstrumentRiskAxis" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to DerivativeInstrumentRiskAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentRiskAxis" xlink:to="DerivativeContractTypeDomain" xlink:title="presentation: DerivativeInstrumentRiskAxis to DerivativeContractTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="CommodityContractMember" xlink:title="presentation: DerivativeContractTypeDomain to CommodityContractMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractOneMember" xlink:label="CommodityContractOneMember" xlink:title="CommodityContractOneMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommodityContractMember" xlink:to="CommodityContractOneMember" xlink:title="presentation: CommodityContractMember to CommodityContractOneMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContractTwoMember" xlink:label="CommodityContractTwoMember" xlink:title="CommodityContractTwoMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommodityContractMember" xlink:to="CommodityContractTwoMember" xlink:title="presentation: CommodityContractMember to CommodityContractTwoMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="ForeignExchangeContractMember" xlink:title="presentation: DerivativeContractTypeDomain to ForeignExchangeContractMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="BalanceSheetLocationAxis" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to BalanceSheetLocationAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationAxis" xlink:to="BalanceSheetLocationDomain" xlink:title="presentation: BalanceSheetLocationAxis to BalanceSheetLocationDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="OtherCurrentAssetsMember" xlink:title="OtherCurrentAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="OtherCurrentAssetsMember" xlink:title="presentation: BalanceSheetLocationDomain to OtherCurrentAssetsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:label="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:title="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:title="presentation: BalanceSheetLocationDomain to IdentifiableIntangibleAndOtherNonCurrentAssetsMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:label="AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:title="AccruedExpensesAndOtherCurrentLiabilitiesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:title="presentation: BalanceSheetLocationDomain to AccruedExpensesAndOtherCurrentLiabilitiesMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherLongTermLiabilitiesMember" xlink:label="OtherLongTermLiabilitiesMember" xlink:title="OtherLongTermLiabilitiesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="OtherLongTermLiabilitiesMember" xlink:title="presentation: BalanceSheetLocationDomain to OtherLongTermLiabilitiesMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShortTermDerivativeAssetsMember" xlink:label="ShortTermDerivativeAssetsMember" xlink:title="ShortTermDerivativeAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="ShortTermDerivativeAssetsMember" xlink:title="presentation: BalanceSheetLocationDomain to ShortTermDerivativeAssetsMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShortTermDerivativeLiabilitiesMember" xlink:label="ShortTermDerivativeLiabilitiesMember" xlink:title="ShortTermDerivativeLiabilitiesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="ShortTermDerivativeLiabilitiesMember" xlink:title="presentation: BalanceSheetLocationDomain to ShortTermDerivativeLiabilitiesMember" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherAssetsNoncurrentMember" xlink:label="OtherAssetsNoncurrentMember" xlink:title="OtherAssetsNoncurrentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="OtherAssetsNoncurrentMember" xlink:title="presentation: BalanceSheetLocationDomain to OtherAssetsNoncurrentMember" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="DerivativesFairValueLineItems" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to DerivativesFairValueLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDerivativesDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="HedgingDesignationAxis" xlink:title="HedgingDesignationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="HedgingDesignationDomain" xlink:title="HedgingDesignationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationAxis" xlink:to="HedgingDesignationDomain" xlink:title="presentation: HedgingDesignationAxis to HedgingDesignationDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="DesignatedAsHedgingInstrumentMember" xlink:title="DesignatedAsHedgingInstrumentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="DesignatedAsHedgingInstrumentMember" xlink:title="presentation: HedgingDesignationDomain to DesignatedAsHedgingInstrumentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="NondesignatedMember" xlink:title="NondesignatedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingDesignationDomain" xlink:to="NondesignatedMember" xlink:title="presentation: HedgingDesignationDomain to NondesignatedMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="HedgingRelationshipDomain" xlink:title="HedgingRelationshipDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:to="HedgingRelationshipDomain" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipAxis to HedgingRelationshipDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="CashFlowHedgingMember" xlink:title="CashFlowHedgingMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingRelationshipDomain" xlink:to="CashFlowHedgingMember" xlink:title="presentation: HedgingRelationshipDomain to CashFlowHedgingMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="FairValueHedgingMember" xlink:title="FairValueHedgingMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="HedgingRelationshipDomain" xlink:to="FairValueHedgingMember" xlink:title="presentation: HedgingRelationshipDomain to FairValueHedgingMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentRiskAxis" xlink:to="DerivativeContractTypeDomain" xlink:title="presentation: DerivativeInstrumentRiskAxis to DerivativeContractTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="CommodityContractMember" xlink:title="presentation: DerivativeContractTypeDomain to CommodityContractMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="ForeignExchangeContractMember" xlink:title="presentation: DerivativeContractTypeDomain to ForeignExchangeContractMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CommodityContract1Member" xlink:label="CommodityContract1Member" xlink:title="CommodityContract1Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="CommodityContract1Member" xlink:title="presentation: DerivativeContractTypeDomain to CommodityContract1Member" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignExchangeContract1Member" xlink:label="ForeignExchangeContract1Member" xlink:title="ForeignExchangeContract1Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="ForeignExchangeContract1Member" xlink:title="presentation: DerivativeContractTypeDomain to ForeignExchangeContract1Member" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignExchangeContract2Member" xlink:label="ForeignExchangeContract2Member" xlink:title="ForeignExchangeContract2Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="ForeignExchangeContract2Member" xlink:title="presentation: DerivativeContractTypeDomain to ForeignExchangeContract2Member" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationAxis" xlink:to="BalanceSheetLocationDomain" xlink:title="presentation: BalanceSheetLocationAxis to BalanceSheetLocationDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HedgedItemsMember" xlink:label="HedgedItemsMember" xlink:title="HedgedItemsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="HedgedItemsMember" xlink:title="presentation: BalanceSheetLocationDomain to HedgedItemsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HedgedItemsFirmCommitmentMember" xlink:label="HedgedItemsFirmCommitmentMember" xlink:title="HedgedItemsFirmCommitmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="HedgedItemsFirmCommitmentMember" xlink:title="presentation: BalanceSheetLocationDomain to HedgedItemsFirmCommitmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HedgedItemsInventoriesMember" xlink:label="HedgedItemsInventoriesMember" xlink:title="HedgedItemsInventoriesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="HedgedItemsInventoriesMember" xlink:title="presentation: BalanceSheetLocationDomain to HedgedItemsInventoriesMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:title="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="DerivativeInstrumentRiskAxis" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to DerivativeInstrumentRiskAxis" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="HedgingDesignationAxis" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to HedgingDesignationAxis" order="2.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to DerivativeInstrumentsGainLossByHedgingRelationshipAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="IncomeStatementLocationAxis" xlink:title="IncomeStatementLocationAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="IncomeStatementLocationAxis" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to IncomeStatementLocationAxis" order="4.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="IncomeStatementLocationDomain" xlink:title="IncomeStatementLocationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationAxis" xlink:to="IncomeStatementLocationDomain" xlink:title="presentation: IncomeStatementLocationAxis to IncomeStatementLocationDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="OtherIncomeMember" xlink:title="OtherIncomeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationDomain" xlink:to="OtherIncomeMember" xlink:title="presentation: IncomeStatementLocationDomain to OtherIncomeMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesMember" xlink:label="SalesMember" xlink:title="SalesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationDomain" xlink:to="SalesMember" xlink:title="presentation: IncomeStatementLocationDomain to SalesMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="CostOfSalesMember" xlink:title="CostOfSalesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationDomain" xlink:to="CostOfSalesMember" xlink:title="presentation: IncomeStatementLocationDomain to CostOfSalesMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="BalanceSheetLocationAxis" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to BalanceSheetLocationAxis" order="5.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="DerivativeInstrumentsGainLossLineItems" xlink:title="DerivativeInstrumentsGainLossLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="DerivativeInstrumentsGainLossLineItems" xlink:title="presentation: DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable to DerivativeInstrumentsGainLossLineItems" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:label="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:title="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:label="ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:title="ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:label="DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:title="DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to DerivativeInstrumentsGainRecognizedInOtherComprehensiveIncomeEffectivePortion" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:title="DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:title="DerivativeInstrumentsGainLossRecognizedInIncomeNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to DerivativeInstrumentsGainLossRecognizedInIncomeNet" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CollateralAlreadyPostedAggregateFairValue" xlink:label="CollateralAlreadyPostedAggregateFairValue" xlink:title="CollateralAlreadyPostedAggregateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="CollateralAlreadyPostedAggregateFairValue" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to CollateralAlreadyPostedAggregateFairValue" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring" xlink:label="GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring" xlink:title="GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsGainLossLineItems" xlink:to="GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring" xlink:title="presentation: DerivativeInstrumentsGainLossLineItems to GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet" xlink:label="GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet" xlink:title="GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet" xlink:title="presentation: DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract to GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="presentation: FiniteLivedIntangibleAssetsByMajorClassAxis to FiniteLivedIntangibleAssetsMajorClassNameDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="CustomerRelationshipsMember" xlink:title="CustomerRelationshipsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="CustomerRelationshipsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to CustomerRelationshipsMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="OtherIntangibleAssetsMember" xlink:title="OtherIntangibleAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="OtherIntangibleAssetsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to OtherIntangibleAssetsMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="IndefiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="presentation: IndefiniteLivedIntangibleAssetsByMajorClassAxis to IndefiniteLivedIntangibleAssetsMajorClassNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_TrademarksTradeNamesRightsMember" xlink:label="TrademarksTradeNamesRightsMember" xlink:title="TrademarksTradeNamesRightsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="TrademarksTradeNamesRightsMember" xlink:title="presentation: IndefiniteLivedIntangibleAssetsMajorClassNameDomain to TrademarksTradeNamesRightsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2012Member" xlink:label="Acquisitions2012Member" xlink:title="Acquisitions2012Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2012Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2012Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2011Member" xlink:label="Acquisitions2011Member" xlink:title="Acquisitions2011Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2011Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2011Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2010Member" xlink:label="Acquisitions2010Member" xlink:title="Acquisitions2010Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2010Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2010Member" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="AviationSegmentMember" xlink:title="presentation: SegmentDomain to AviationSegmentMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="LandSegmentMember" xlink:title="presentation: SegmentDomain to LandSegmentMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="MarineSegmentMember" xlink:title="presentation: SegmentDomain to MarineSegmentMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:label="ChangeInAccountingEstimateByTypeAxis" xlink:title="ChangeInAccountingEstimateByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="ChangeInAccountingEstimateTypeDomain" xlink:title="ChangeInAccountingEstimateTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ChangeInAccountingEstimateByTypeAxis" xlink:to="ChangeInAccountingEstimateTypeDomain" xlink:title="presentation: ChangeInAccountingEstimateByTypeAxis to ChangeInAccountingEstimateTypeDomain" use="optional" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PurchasePriceAllocationAdjustmentsMember" xlink:label="PurchasePriceAllocationAdjustmentsMember" xlink:title="PurchasePriceAllocationAdjustmentsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ChangeInAccountingEstimateTypeDomain" xlink:to="PurchasePriceAllocationAdjustmentsMember" xlink:title="presentation: ChangeInAccountingEstimateTypeDomain to PurchasePriceAllocationAdjustmentsMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementScenarioAxis" xlink:to="ScenarioUnspecifiedDomain" xlink:title="presentation: StatementScenarioAxis to ScenarioUnspecifiedDomain" use="optional" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScenarioReclassificationOneMember" xlink:label="ScenarioReclassificationOneMember" xlink:title="ScenarioReclassificationOneMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScenarioUnspecifiedDomain" xlink:to="ScenarioReclassificationOneMember" xlink:title="presentation: ScenarioUnspecifiedDomain to ScenarioReclassificationOneMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScenarioReclassificationTwoMember" xlink:label="ScenarioReclassificationTwoMember" xlink:title="ScenarioReclassificationTwoMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScenarioUnspecifiedDomain" xlink:to="ScenarioReclassificationTwoMember" xlink:title="presentation: ScenarioUnspecifiedDomain to ScenarioReclassificationTwoMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ScheduleOfBusinessAcquisitionsByAcquisitionTable" use="optional" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:label="SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:title="SignificantAcquisitionsAndDisposalsByTransactionAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to SignificantAcquisitionsAndDisposalsByTransactionAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:title="SignificantAcquisitionsAndDisposalsTransactionDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:to="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:title="presentation: SignificantAcquisitionsAndDisposalsByTransactionAxis to SignificantAcquisitionsAndDisposalsTransactionDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MultiServiceCorporationMember" xlink:label="MultiServiceCorporationMember" xlink:title="MultiServiceCorporationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:to="MultiServiceCorporationMember" xlink:title="presentation: SignificantAcquisitionsAndDisposalsTransactionDomain to MultiServiceCorporationMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CarterEnergyCorporationMember" xlink:label="CarterEnergyCorporationMember" xlink:title="CarterEnergyCorporationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:to="CarterEnergyCorporationMember" xlink:title="presentation: SignificantAcquisitionsAndDisposalsTransactionDomain to CarterEnergyCorporationMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AscentAviationGroupIncMember" xlink:label="AscentAviationGroupIncMember" xlink:title="AscentAviationGroupIncMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:to="AscentAviationGroupIncMember" xlink:title="presentation: SignificantAcquisitionsAndDisposalsTransactionDomain to AscentAviationGroupIncMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HillerMember" xlink:label="HillerMember" xlink:title="HillerMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:to="HillerMember" xlink:title="presentation: SignificantAcquisitionsAndDisposalsTransactionDomain to HillerMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:title="SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:to="SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:title="presentation: SignificantAcquisitionsAndDisposalsTransactionDomain to SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to FiniteLivedIntangibleAssetsByMajorClassAxis" use="optional" order="3.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to IndefiniteLivedIntangibleAssetsByMajorClassAxis" order="4.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to StatementBusinessSegmentsAxis" order="5.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="ChangeInAccountingEstimateByTypeAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to ChangeInAccountingEstimateByTypeAxis" order="6.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="StatementScenarioAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to StatementScenarioAxis" order="7.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionLineItems" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionLineItems" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" xlink:label="BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" xlink:title="BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" xlink:label="BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" xlink:title="BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="NumberOfBusinessesAcquired" xlink:title="NumberOfBusinessesAcquired" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="NumberOfBusinessesAcquired" xlink:title="presentation: BusinessAcquisitionLineItems to NumberOfBusinessesAcquired" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAcquiredFromAcquisition" xlink:label="CashAcquiredFromAcquisition" xlink:title="CashAcquiredFromAcquisition" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="CashAcquiredFromAcquisition" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to CashAcquiredFromAcquisition" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" xlink:label="BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" xlink:title="BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" xlink:label="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" xlink:title="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:label="BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:title="BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:title="BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityCashPaid" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionEstimatedCashConsideration" xlink:label="BusinessAcquisitionEstimatedCashConsideration" xlink:title="BusinessAcquisitionEstimatedCashConsideration" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionEstimatedCashConsideration" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionEstimatedCashConsideration" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentAssetsInventory" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationProperty" xlink:label="BusinessAcquisitionPurchasePriceAllocationProperty" xlink:title="BusinessAcquisitionPurchasePriceAllocationProperty" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationProperty" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationProperty" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:title="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" xlink:label="BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" xlink:title="BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:label="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:title="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationWorkingCapital" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:title="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:label="BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:title="BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract to BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:label="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:title="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" use="optional" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="GoodwillAcquiredDuringPeriod" xlink:title="GoodwillAcquiredDuringPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:to="GoodwillAcquiredDuringPeriod" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract to GoodwillAcquiredDuringPeriod" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:label="BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:title="BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract to BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetAmount" xlink:label="AcquiredFiniteLivedIntangibleAssetAmount" xlink:title="AcquiredFiniteLivedIntangibleAssetAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:to="AcquiredFiniteLivedIntangibleAssetAmount" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract to AcquiredFiniteLivedIntangibleAssetAmount" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:title="AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:to="AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract to AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AcquiredIndefiniteLivedIntangibleAssetAmount" xlink:label="AcquiredIndefiniteLivedIntangibleAssetAmount" xlink:title="AcquiredIndefiniteLivedIntangibleAssetAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract" xlink:to="AcquiredIndefiniteLivedIntangibleAssetAmount" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationNoncurrentAssetsAbstract to AcquiredIndefiniteLivedIntangibleAssetAmount" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationAbstract" xlink:label="BusinessAcquisitionProFormaInformationAbstract" xlink:title="BusinessAcquisitionProFormaInformationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionProFormaInformationAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionProFormaInformationAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="BusinessAcquisitionsProFormaRevenue" xlink:title="BusinessAcquisitionsProFormaRevenue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionProFormaInformationAbstract" xlink:to="BusinessAcquisitionsProFormaRevenue" xlink:title="presentation: BusinessAcquisitionProFormaInformationAbstract to BusinessAcquisitionsProFormaRevenue" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="BusinessAcquisitionsProFormaNetIncomeLoss" xlink:title="BusinessAcquisitionsProFormaNetIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionProFormaInformationAbstract" xlink:to="BusinessAcquisitionsProFormaNetIncomeLoss" xlink:title="presentation: BusinessAcquisitionProFormaInformationAbstract to BusinessAcquisitionsProFormaNetIncomeLoss" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareProFormaAbstract" xlink:label="EarningsPerShareProFormaAbstract" xlink:title="EarningsPerShareProFormaAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionProFormaInformationAbstract" xlink:to="EarningsPerShareProFormaAbstract" xlink:title="presentation: BusinessAcquisitionProFormaInformationAbstract to EarningsPerShareProFormaAbstract" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BasicEarningsPerShareProForma" xlink:label="BasicEarningsPerShareProForma" xlink:title="BasicEarningsPerShareProForma" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareProFormaAbstract" xlink:to="BasicEarningsPerShareProForma" xlink:title="presentation: EarningsPerShareProFormaAbstract to BasicEarningsPerShareProForma" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DilutedEarningsPerShareProForma" xlink:label="DilutedEarningsPerShareProForma" xlink:title="DilutedEarningsPerShareProForma" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarningsPerShareProFormaAbstract" xlink:to="DilutedEarningsPerShareProForma" xlink:title="presentation: EarningsPerShareProFormaAbstract to DilutedEarningsPerShareProForma" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsAbstract" xlink:label="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="TransfersAndServicingOfFinancialAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to TransfersAndServicingOfFinancialAssetsAbstract" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers1" xlink:label="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers1" xlink:title="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers1" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers1" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers2" xlink:label="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers2" xlink:title="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers2" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers2" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to SalePriceAsPercentageOfSoldAccountsReceivableLessDiscountMarginCustomers2" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PercentageOfRetainedBeneficialInterestInSoldAccountsReceivable" xlink:label="PercentageOfRetainedBeneficialInterestInSoldAccountsReceivable" xlink:title="PercentageOfRetainedBeneficialInterestInSoldAccountsReceivable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="PercentageOfRetainedBeneficialInterestInSoldAccountsReceivable" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to PercentageOfRetainedBeneficialInterestInSoldAccountsReceivable" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInvestmentsAbstract" xlink:label="OtherInvestmentsAbstract" xlink:title="OtherInvestmentsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="OtherInvestmentsAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to OtherInvestmentsAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ExtinguishmentOfLiabilityAbstract" xlink:label="ExtinguishmentOfLiabilityAbstract" xlink:title="ExtinguishmentOfLiabilityAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ExtinguishmentOfLiabilityAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ExtinguishmentOfLiabilityAbstract" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DerecognizedVendorLiabilityAccrualsAmount" xlink:label="DerecognizedVendorLiabilityAccrualsAmount" xlink:title="DerecognizedVendorLiabilityAccrualsAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExtinguishmentOfLiabilityAbstract" xlink:to="DerecognizedVendorLiabilityAccrualsAmount" xlink:title="presentation: ExtinguishmentOfLiabilityAbstract to DerecognizedVendorLiabilityAccrualsAmount" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyAbstract" xlink:label="ForeignCurrencyAbstract" xlink:title="ForeignCurrencyAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ForeignCurrencyAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ForeignCurrencyAbstract" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainBeforeTax" xlink:label="ForeignCurrencyTransactionGainBeforeTax" xlink:title="ForeignCurrencyTransactionGainBeforeTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ForeignCurrencyAbstract" xlink:to="ForeignCurrencyTransactionGainBeforeTax" xlink:title="presentation: ForeignCurrencyAbstract to ForeignCurrencyTransactionGainBeforeTax" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCurrencyTransactionLossBeforeTax" xlink:label="ForeignCurrencyTransactionLossBeforeTax" xlink:title="ForeignCurrencyTransactionLossBeforeTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ForeignCurrencyAbstract" xlink:to="ForeignCurrencyTransactionLossBeforeTax" xlink:title="presentation: ForeignCurrencyAbstract to ForeignCurrencyTransactionLossBeforeTax" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NumberOfSubsidiariesInUK" xlink:label="NumberOfSubsidiariesInUK" xlink:title="NumberOfSubsidiariesInUK" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ForeignCurrencyAbstract" xlink:to="NumberOfSubsidiariesInUK" xlink:title="presentation: ForeignCurrencyAbstract to NumberOfSubsidiariesInUK" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ForeignCurrencyAbstract" xlink:to="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="presentation: ForeignCurrencyAbstract to OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NumberOfSubsidiariesInBrazil" xlink:label="NumberOfSubsidiariesInBrazil" xlink:title="NumberOfSubsidiariesInBrazil" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ForeignCurrencyAbstract" xlink:to="NumberOfSubsidiariesInBrazil" xlink:title="presentation: ForeignCurrencyAbstract to NumberOfSubsidiariesInBrazil" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="CashAndCashEquivalentsAbstract" xlink:title="CashAndCashEquivalentsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="CashAndCashEquivalentsAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to CashAndCashEquivalentsAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_VendorAndCustomerRebatesAndBrandingAllowancesAbstract" xlink:label="VendorAndCustomerRebatesAndBrandingAllowancesAbstract" xlink:title="VendorAndCustomerRebatesAndBrandingAllowancesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="VendorAndCustomerRebatesAndBrandingAllowancesAbstract" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to VendorAndCustomerRebatesAndBrandingAllowancesAbstract" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_VolumeRebatesAndPromotionalAllowancesPaidToCustomers" xlink:label="VolumeRebatesAndPromotionalAllowancesPaidToCustomers" xlink:title="VolumeRebatesAndPromotionalAllowancesPaidToCustomers" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="VendorAndCustomerRebatesAndBrandingAllowancesAbstract" xlink:to="VolumeRebatesAndPromotionalAllowancesPaidToCustomers" xlink:title="presentation: VendorAndCustomerRebatesAndBrandingAllowancesAbstract to VolumeRebatesAndPromotionalAllowancesPaidToCustomers" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_VolumeRebatesReceivedFromVendors" xlink:label="VolumeRebatesReceivedFromVendors" xlink:title="VolumeRebatesReceivedFromVendors" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="VendorAndCustomerRebatesAndBrandingAllowancesAbstract" xlink:to="VolumeRebatesReceivedFromVendors" xlink:title="presentation: VendorAndCustomerRebatesAndBrandingAllowancesAbstract to VolumeRebatesReceivedFromVendors" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTables">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2012Member" xlink:label="Acquisitions2012Member" xlink:title="Acquisitions2012Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2012Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2012Member" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2011Member" xlink:label="Acquisitions2011Member" xlink:title="Acquisitions2011Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2011Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2011Member" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2010Member" xlink:label="Acquisitions2010Member" xlink:title="Acquisitions2010Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2010Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2010Member" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ScheduleOfBusinessAcquisitionsByAcquisitionTable" use="optional" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionLineItems" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:label="ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:title="ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:title="presentation: BusinessAcquisitionLineItems to ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock" xlink:label="ScheduleOfPurchasePriceAllocationTableTextBlock" xlink:title="ScheduleOfPurchasePriceAllocationTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="ScheduleOfPurchasePriceAllocationTableTextBlock" xlink:title="presentation: BusinessAcquisitionLineItems to ScheduleOfPurchasePriceAllocationTableTextBlock" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfAcquiredIntangibleAssetsByMajorClassTableTextBlock" xlink:label="ScheduleOfAcquiredIntangibleAssetsByMajorClassTableTextBlock" xlink:title="ScheduleOfAcquiredIntangibleAssetsByMajorClassTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="ScheduleOfAcquiredIntangibleAssetsByMajorClassTableTextBlock" xlink:title="presentation: BusinessAcquisitionLineItems to ScheduleOfAcquiredIntangibleAssetsByMajorClassTableTextBlock" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:title="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="BusinessAcquisitionProFormaInformationTextBlock" xlink:title="BusinessAcquisitionProFormaInformationTextBlock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="BusinessAcquisitionProFormaInformationTextBlock" xlink:title="presentation: NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract to BusinessAcquisitionProFormaInformationTextBlock" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="presentation: FiniteLivedIntangibleAssetsByMajorClassAxis to FiniteLivedIntangibleAssetsMajorClassNameDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="CustomerRelationshipsMember" xlink:title="CustomerRelationshipsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="CustomerRelationshipsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to CustomerRelationshipsMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="OtherIntangibleAssetsMember" xlink:title="OtherIntangibleAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="OtherIntangibleAssetsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to OtherIntangibleAssetsMember" order="8003.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SupplierAgreementsMember" xlink:label="SupplierAgreementsMember" xlink:title="SupplierAgreementsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="SupplierAgreementsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to SupplierAgreementsMember" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="NoncompeteAgreementsMember" xlink:title="NoncompeteAgreementsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="NoncompeteAgreementsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to NoncompeteAgreementsMember" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2011Member" xlink:label="Acquisitions2011Member" xlink:title="Acquisitions2011Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2011Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2011Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NordicCampSupplyApSMember" xlink:label="NordicCampSupplyApSMember" xlink:title="NordicCampSupplyApSMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Acquisitions2011Member" xlink:to="NordicCampSupplyApSMember" xlink:title="presentation: Acquisitions2011Member to NordicCampSupplyApSMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2010Member" xlink:label="Acquisitions2010Member" xlink:title="Acquisitions2010Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2010Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2010Member" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AscentAviationGroupIncMember" xlink:label="AscentAviationGroupIncMember" xlink:title="AscentAviationGroupIncMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="AscentAviationGroupIncMember" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to AscentAviationGroupIncMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:label="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="AviationSegmentMember" xlink:title="presentation: SegmentDomain to AviationSegmentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="LandSegmentMember" xlink:title="presentation: SegmentDomain to LandSegmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="MarineSegmentMember" xlink:title="presentation: SegmentDomain to MarineSegmentMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionAxis" use="optional" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to FiniteLivedIntangibleAssetsByMajorClassAxis" order="3.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to StatementBusinessSegmentsAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionLineItems" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" order="8006.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityAmountDueFromAcquiree" xlink:label="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromAcquiree" xlink:title="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromAcquiree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromAcquiree" xlink:title="presentation: BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract to BusinessAcquisitionCostOfAcquiredEntityAmountDueFromAcquiree" use="optional" order="8005.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" order="8008.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAbstract" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationAbstract" xlink:label="BusinessAcquisitionProFormaInformationAbstract" xlink:title="BusinessAcquisitionProFormaInformationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionProFormaInformationAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionProFormaInformationAbstract" use="optional" order="8011.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareProFormaAbstract" xlink:label="EarningsPerShareProFormaAbstract" xlink:title="EarningsPerShareProFormaAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionProFormaInformationAbstract" xlink:to="EarningsPerShareProFormaAbstract" xlink:title="presentation: BusinessAcquisitionProFormaInformationAbstract to EarningsPerShareProFormaAbstract" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndOtherLiabilities" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndOtherLiabilities" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndOtherLiabilities" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndOtherLiabilities" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndOtherLiabilities" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:label="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:title="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpenseAndOtherAssets" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationFixedAssetsIncreaseDecrease" xlink:label="BusinessAcquisitionPurchasePriceAllocationFixedAssetsIncreaseDecrease" xlink:title="BusinessAcquisitionPurchasePriceAllocationFixedAssetsIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationFixedAssetsIncreaseDecrease" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationFixedAssetsIncreaseDecrease" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationLongTermLiabilitiesIncreaseDecrease" xlink:label="BusinessAcquisitionPurchasePriceAllocationLongTermLiabilitiesIncreaseDecrease" xlink:title="BusinessAcquisitionPurchasePriceAllocationLongTermLiabilitiesIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationLongTermLiabilitiesIncreaseDecrease" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationLongTermLiabilitiesIncreaseDecrease" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IdentifiableIntangibleAssetsAbstract" xlink:label="IdentifiableIntangibleAssetsAbstract" xlink:title="IdentifiableIntangibleAssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="IdentifiableIntangibleAssetsAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to IdentifiableIntangibleAssetsAbstract" order="8010.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:label="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:title="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationIncreaseDecrease" use="optional" order="8012.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="AcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="presentation: AcquisitionsAndSignificantAccountingPoliciesAbstract to ScheduleOfBusinessAcquisitionsByAcquisitionTable" use="optional" order="1.0" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2009Member" xlink:label="Acquisitions2009Member" xlink:title="Acquisitions2009Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2009Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2009Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:label="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Acquisitions2009Member" xlink:to="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="presentation: Acquisitions2009Member to HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionLineItems" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAbstract" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:label="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="BusinessAcquisitionContingentConsiderationAtFairValue" xlink:title="BusinessAcquisitionContingentConsiderationAtFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionContingentConsiderationAtFairValue" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionContingentConsiderationAtFairValue" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:label="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:title="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract" xlink:to="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" xlink:title="presentation: BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetAbstract to BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" use="optional" order="8005.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EarnOutAbstract" xlink:label="EarnOutAbstract" xlink:title="EarnOutAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="EarnOutAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to EarnOutAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionContingentConsiderationEstimatedFairValueIncreaseDecrease" xlink:label="BusinessAcquisitionContingentConsiderationEstimatedFairValueIncreaseDecrease" xlink:title="BusinessAcquisitionContingentConsiderationEstimatedFairValueIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionContingentConsiderationEstimatedFairValueIncreaseDecrease" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionContingentConsiderationEstimatedFairValueIncreaseDecrease" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:title="BusinessAcquisitionPercentageOfVotingInterestsAcquired" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionPercentageOfVotingInterestsAcquired" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityIncreaseInPurchasePriceSubjectToCertainOperatingIncomeTargetsAchievedOverSpecifiedPeriod" xlink:label="BusinessAcquisitionCostOfAcquiredEntityIncreaseInPurchasePriceSubjectToCertainOperatingIncomeTargetsAchievedOverSpecifiedPeriod" xlink:title="BusinessAcquisitionCostOfAcquiredEntityIncreaseInPurchasePriceSubjectToCertainOperatingIncomeTargetsAchievedOverSpecifiedPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityIncreaseInPurchasePriceSubjectToCertainOperatingIncomeTargetsAchievedOverSpecifiedPeriod" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionCostOfAcquiredEntityIncreaseInPurchasePriceSubjectToCertainOperatingIncomeTargetsAchievedOverSpecifiedPeriod" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionCostOfAcquiredEntityAdditionalPurchasePrice" xlink:label="BusinessAcquisitionCostOfAcquiredEntityAdditionalPurchasePrice" xlink:title="BusinessAcquisitionCostOfAcquiredEntityAdditionalPurchasePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionCostOfAcquiredEntityAdditionalPurchasePrice" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionCostOfAcquiredEntityAdditionalPurchasePrice" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsAbstract" xlink:label="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="TransfersAndServicingOfFinancialAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleAndCollectionOfReceivables" xlink:label="ProceedsFromSaleAndCollectionOfReceivables" xlink:title="ProceedsFromSaleAndCollectionOfReceivables" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="ProceedsFromSaleAndCollectionOfReceivables" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to ProceedsFromSaleAndCollectionOfReceivables" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:label="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:title="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to PercentageOfSoldAccountsReceivableSalePriceEqualToBeforeDiscountMargin" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:label="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:title="AcquisitionsAndSignificantAccountingPoliciesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="presentation: AcquisitionsAndSignificantAccountingPoliciesAbstract to ScheduleOfBusinessAcquisitionsByAcquisitionTable" use="optional" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="presentation: AcquisitionsAndSignificantAccountingPoliciesAbstract to TransfersAndServicingOfFinancialAssetsAbstract" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:title="NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AcquisitionsAndSignificantAccountingPoliciesAbstract" xlink:to="NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:title="presentation: AcquisitionsAndSignificantAccountingPoliciesAbstract to NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2009Member" xlink:label="Acquisitions2009Member" xlink:title="Acquisitions2009Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2009Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2009Member" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:label="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Acquisitions2009Member" xlink:to="HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" xlink:title="presentation: Acquisitions2009Member to HentyOilLimitedTankAndMarineEngineeringLimitedAndHentyShippingServicesLimitedMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="BusinessAcquisitionLineItems" xlink:title="BusinessAcquisitionLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="BusinessAcquisitionLineItems" xlink:title="presentation: ScheduleOfBusinessAcquisitionsByAcquisitionTable to BusinessAcquisitionLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EarnOutAbstract" xlink:label="EarnOutAbstract" xlink:title="EarnOutAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionLineItems" xlink:to="EarnOutAbstract" xlink:title="presentation: BusinessAcquisitionLineItems to EarnOutAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NumberOfYearsOverWhichCertainOperatingIncomeTargetsMustBeAchieved" xlink:label="NumberOfYearsOverWhichCertainOperatingIncomeTargetsMustBeAchieved" xlink:title="NumberOfYearsOverWhichCertainOperatingIncomeTargetsMustBeAchieved" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="NumberOfYearsOverWhichCertainOperatingIncomeTargetsMustBeAchieved" xlink:title="presentation: EarnOutAbstract to NumberOfYearsOverWhichCertainOperatingIncomeTargetsMustBeAchieved" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionContingentConsiderationPotentialCashPaymentMaximumAfterPurchaseAgreementAmendment" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:label="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:title="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionContingentConsiderationPotentialCashPaymentOnAchievingOperatingTargetsPeriod" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:label="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:title="BusinessAcquisitionContingentConsiderationFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="BusinessAcquisitionContingentConsiderationFairValueDisclosure" xlink:title="presentation: EarnOutAbstract to BusinessAcquisitionContingentConsiderationFairValueDisclosure" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesUnrealizedGainLossesRelatedToForeignCurrencyTranslation" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesUnrealizedGainLossesRelatedToForeignCurrencyTranslation" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesUnrealizedGainLossesRelatedToForeignCurrencyTranslation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EarnOutAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesUnrealizedGainLossesRelatedToForeignCurrencyTranslation" xlink:title="presentation: EarnOutAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesUnrealizedGainLossesRelatedToForeignCurrencyTranslation" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:title="presentation: FairValueDisclosuresAbstract to ScheduleOfBusinessAcquisitionsByAcquisitionTable" order="1.0" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureSignificantAccountingPoliciesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="ScheduleOfGoodwillTable" xlink:title="ScheduleOfGoodwillTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="BusinessAcquisitionAxis" xlink:title="presentation: ScheduleOfGoodwillTable to BusinessAcquisitionAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAxis" xlink:to="BusinessAcquisitionAcquireeDomain" xlink:title="presentation: BusinessAcquisitionAxis to BusinessAcquisitionAcquireeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Acquisitions2012Member" xlink:label="Acquisitions2012Member" xlink:title="Acquisitions2012Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="Acquisitions2012Member" xlink:title="presentation: BusinessAcquisitionAcquireeDomain to Acquisitions2012Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfGoodwillTable to StatementBusinessSegmentsAxis" use="optional" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="AviationSegmentMember" xlink:title="presentation: SegmentDomain to AviationSegmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="LandSegmentMember" xlink:title="presentation: SegmentDomain to LandSegmentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="MarineSegmentMember" xlink:title="presentation: SegmentDomain to MarineSegmentMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:label="ChangeInAccountingEstimateByTypeAxis" xlink:title="ChangeInAccountingEstimateByTypeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="ChangeInAccountingEstimateByTypeAxis" xlink:title="presentation: ScheduleOfGoodwillTable to ChangeInAccountingEstimateByTypeAxis" use="optional" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="ChangeInAccountingEstimateTypeDomain" xlink:title="ChangeInAccountingEstimateTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ChangeInAccountingEstimateByTypeAxis" xlink:to="ChangeInAccountingEstimateTypeDomain" xlink:title="presentation: ChangeInAccountingEstimateByTypeAxis to ChangeInAccountingEstimateTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PurchasePriceAllocationAdjustmentsMember" xlink:label="PurchasePriceAllocationAdjustmentsMember" xlink:title="PurchasePriceAllocationAdjustmentsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ChangeInAccountingEstimateTypeDomain" xlink:to="PurchasePriceAllocationAdjustmentsMember" xlink:title="presentation: ChangeInAccountingEstimateTypeDomain to PurchasePriceAllocationAdjustmentsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="ScenarioAdjustmentMember" xlink:title="ScenarioAdjustmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ChangeInAccountingEstimateTypeDomain" xlink:to="ScenarioAdjustmentMember" xlink:title="presentation: ChangeInAccountingEstimateTypeDomain to ScenarioAdjustmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="StatementScenarioAxis" xlink:title="presentation: ScheduleOfGoodwillTable to StatementScenarioAxis" use="optional" order="4.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementScenarioAxis" xlink:to="ScenarioUnspecifiedDomain" xlink:title="presentation: StatementScenarioAxis to ScenarioUnspecifiedDomain" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScenarioReclassificationOneMember" xlink:label="ScenarioReclassificationOneMember" xlink:title="ScenarioReclassificationOneMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScenarioUnspecifiedDomain" xlink:to="ScenarioReclassificationOneMember" xlink:title="presentation: ScenarioUnspecifiedDomain to ScenarioReclassificationOneMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScenarioReclassificationTwoMember" xlink:label="ScenarioReclassificationTwoMember" xlink:title="ScenarioReclassificationTwoMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScenarioUnspecifiedDomain" xlink:to="ScenarioReclassificationTwoMember" xlink:title="presentation: ScenarioUnspecifiedDomain to ScenarioReclassificationTwoMember" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FixedAssetsReclassificationMember" xlink:label="FixedAssetsReclassificationMember" xlink:title="FixedAssetsReclassificationMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScenarioUnspecifiedDomain" xlink:to="FixedAssetsReclassificationMember" xlink:title="presentation: ScenarioUnspecifiedDomain to FixedAssetsReclassificationMember" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="GoodwillLineItems" xlink:title="GoodwillLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="GoodwillLineItems" xlink:title="presentation: ScheduleOfGoodwillTable to GoodwillLineItems" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="Goodwill" xlink:title="presentation: GoodwillLineItems to Goodwill" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="GoodwillTranslationAdjustments" xlink:title="GoodwillTranslationAdjustments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="GoodwillTranslationAdjustments" xlink:title="presentation: GoodwillLineItems to GoodwillTranslationAdjustments" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:title="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:title="presentation: GoodwillLineItems to BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill" xlink:label="BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill" xlink:title="BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill" xlink:title="presentation: GoodwillLineItems to BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets" xlink:label="BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets" xlink:title="BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets" xlink:title="presentation: GoodwillLineItems to BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:title="BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:title="presentation: GoodwillLineItems to BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsAbstract" xlink:label="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="TransfersAndServicingOfFinancialAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivablesHeldForSaleAmount" xlink:label="ReceivablesHeldForSaleAmount" xlink:title="ReceivablesHeldForSaleAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="ReceivablesHeldForSaleAmount" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to ReceivablesHeldForSaleAmount" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:label="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:title="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" xlink:label="QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" xlink:title="QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QualitativeAndQuantitativeInformationAssetOrLiabilityTransferorsContinuingInvolvementSecuritizationOrAssetbackedFinancingPrincipalAmountOutstandingContinuedRecognitionAmount" xlink:label="QualitativeAndQuantitativeInformationAssetOrLiabilityTransferorsContinuingInvolvementSecuritizationOrAssetbackedFinancingPrincipalAmountOutstandingContinuedRecognitionAmount" xlink:title="QualitativeAndQuantitativeInformationAssetOrLiabilityTransferorsContinuingInvolvementSecuritizationOrAssetbackedFinancingPrincipalAmountOutstandingContinuedRecognitionAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="QualitativeAndQuantitativeInformationAssetOrLiabilityTransferorsContinuingInvolvementSecuritizationOrAssetbackedFinancingPrincipalAmountOutstandingContinuedRecognitionAmount" xlink:title="presentation: TransfersAndServicingOfFinancialAssetsAbstract to QualitativeAndQuantitativeInformationAssetOrLiabilityTransferorsContinuingInvolvementSecuritizationOrAssetbackedFinancingPrincipalAmountOutstandingContinuedRecognitionAmount" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInvestmentsAbstract" xlink:label="OtherInvestmentsAbstract" xlink:title="OtherInvestmentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="EquityMethodInvestments" xlink:title="EquityMethodInvestments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherInvestmentsAbstract" xlink:to="EquityMethodInvestments" xlink:title="presentation: OtherInvestmentsAbstract to EquityMethodInvestments" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="AccountingPoliciesAbstract" xlink:title="AccountingPoliciesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountingPoliciesAbstract" xlink:to="TransfersAndServicingOfFinancialAssetsAbstract" xlink:title="presentation: AccountingPoliciesAbstract to TransfersAndServicingOfFinancialAssetsAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountingPoliciesAbstract" xlink:to="ScheduleOfGoodwillTable" xlink:title="presentation: AccountingPoliciesAbstract to ScheduleOfGoodwillTable" use="optional" order="2.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountingPoliciesAbstract" xlink:to="OtherInvestmentsAbstract" xlink:title="presentation: AccountingPoliciesAbstract to OtherInvestmentsAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:title="GoodwillAndIntangibleAssetsDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:title="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable to FiniteLivedIntangibleAssetsByMajorClassAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="presentation: FiniteLivedIntangibleAssetsByMajorClassAxis to FiniteLivedIntangibleAssetsMajorClassNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="CustomerRelationshipsMember" xlink:title="CustomerRelationshipsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="CustomerRelationshipsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to CustomerRelationshipsMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="OtherIntangibleAssetsMember" xlink:title="OtherIntangibleAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="OtherIntangibleAssetsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to OtherIntangibleAssetsMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SupplierAgreementsMember" xlink:label="SupplierAgreementsMember" xlink:title="SupplierAgreementsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="SupplierAgreementsMember" xlink:title="presentation: FiniteLivedIntangibleAssetsMajorClassNameDomain to SupplierAgreementsMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="IndefiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable to IndefiniteLivedIntangibleAssetsByMajorClassAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="presentation: IndefiniteLivedIntangibleAssetsByMajorClassAxis to IndefiniteLivedIntangibleAssetsMajorClassNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_TrademarksAndTradeNamesRightsMember" xlink:label="TrademarksAndTradeNamesRightsMember" xlink:title="TrademarksAndTradeNamesRightsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="TrademarksAndTradeNamesRightsMember" xlink:title="presentation: IndefiniteLivedIntangibleAssetsMajorClassNameDomain to TrademarksAndTradeNamesRightsMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:title="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable to FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="FiniteLivedIntangibleAssetsGross" xlink:title="FiniteLivedIntangibleAssetsGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="FiniteLivedIntangibleAssetsGross" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to FiniteLivedIntangibleAssetsGross" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to FiniteLivedIntangibleAssetsAccumulatedAmortization" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="FiniteLivedIntangibleAssetsNet" xlink:title="FiniteLivedIntangibleAssetsNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="FiniteLivedIntangibleAssetsNet" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to FiniteLivedIntangibleAssetsNet" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:title="IndefiniteLivedIntangibleAssetsExcludingGoodwill" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to IndefiniteLivedIntangibleAssetsExcludingGoodwill" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IntangibleAssetsGrossExcludingGoodwill" xlink:label="IntangibleAssetsGrossExcludingGoodwill" xlink:title="IntangibleAssetsGrossExcludingGoodwill" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="IntangibleAssetsGrossExcludingGoodwill" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to IntangibleAssetsGrossExcludingGoodwill" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments" xlink:label="FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments" xlink:title="FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments" xlink:title="presentation: FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems to FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="AmortizationOfIntangibleAssets" xlink:title="AmortizationOfIntangibleAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="AmortizationOfIntangibleAssets" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to AmortizationOfIntangibleAssets" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:title="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="FiniteLivedIntangibleAssetsNet" xlink:title="presentation: FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to FiniteLivedIntangibleAssetsNet" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="OperatingSegmentsMember" xlink:title="OperatingSegmentsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="OperatingSegmentsMember" xlink:title="presentation: SegmentDomain to OperatingSegmentsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingSegmentsMember" xlink:to="AviationSegmentMember" xlink:title="presentation: OperatingSegmentsMember to AviationSegmentMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingSegmentsMember" xlink:to="MarineSegmentMember" xlink:title="presentation: OperatingSegmentsMember to MarineSegmentMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingSegmentsMember" xlink:to="LandSegmentMember" xlink:title="presentation: OperatingSegmentsMember to LandSegmentMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnallocatedAmountToSegmentMember" xlink:label="UnallocatedAmountToSegmentMember" xlink:title="UnallocatedAmountToSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="UnallocatedAmountToSegmentMember" xlink:title="presentation: SegmentDomain to UnallocatedAmountToSegmentMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="NumberOfReportableSegments" xlink:title="NumberOfReportableSegments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="NumberOfReportableSegments" xlink:title="presentation: SegmentReportingAbstract to NumberOfReportableSegments" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfSegmentReportingInformationBySegmentTable" order="2.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to StatementBusinessSegmentsAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="SegmentReportingInformationLineItems" xlink:title="SegmentReportingInformationLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="SegmentReportingInformationLineItems" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to SegmentReportingInformationLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="RevenuesAbstract" xlink:title="RevenuesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="RevenuesAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to RevenuesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenuesAbstract" xlink:to="Revenues" xlink:title="presentation: RevenuesAbstract to Revenues" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfitAbstract" xlink:label="GrossProfitAbstract" xlink:title="GrossProfitAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="GrossProfitAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to GrossProfitAbstract" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GrossProfitAbstract" xlink:to="GrossProfit" xlink:title="presentation: GrossProfitAbstract to GrossProfit" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLossAbstract" xlink:label="OperatingIncomeLossAbstract" xlink:title="OperatingIncomeLossAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="OperatingIncomeLossAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to OperatingIncomeLossAbstract" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherGeneralExpense" xlink:label="OtherGeneralExpense" xlink:title="OtherGeneralExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingIncomeLossAbstract" xlink:to="OtherGeneralExpense" xlink:title="presentation: OperatingIncomeLossAbstract to OtherGeneralExpense" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingIncomeLossAbstract" xlink:to="OperatingIncomeLoss" xlink:title="presentation: OperatingIncomeLossAbstract to OperatingIncomeLoss" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortizationAbstract" xlink:label="DepreciationAndAmortizationAbstract" xlink:title="DepreciationAndAmortizationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="DepreciationAndAmortizationAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to DepreciationAndAmortizationAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationAdditionalInformationAbstract" xlink:label="SegmentReportingInformationAdditionalInformationAbstract" xlink:title="SegmentReportingInformationAdditionalInformationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="SegmentReportingInformationAdditionalInformationAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to SegmentReportingInformationAdditionalInformationAbstract" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionsToNoncurrentAssets" xlink:label="AdditionsToNoncurrentAssets" xlink:title="AdditionsToNoncurrentAssets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationAdditionalInformationAbstract" xlink:to="AdditionsToNoncurrentAssets" xlink:title="presentation: SegmentReportingInformationAdditionalInformationAbstract to AdditionsToNoncurrentAssets" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="AviationSegmentMember" xlink:title="presentation: SegmentDomain to AviationSegmentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="LandSegmentMember" xlink:title="presentation: SegmentDomain to LandSegmentMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="MarineSegmentMember" xlink:title="presentation: SegmentDomain to MarineSegmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnallocatedAmountToSegmentMember" xlink:label="UnallocatedAmountToSegmentMember" xlink:title="UnallocatedAmountToSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="UnallocatedAmountToSegmentMember" xlink:title="presentation: SegmentDomain to UnallocatedAmountToSegmentMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to StatementBusinessSegmentsAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="SegmentReportingInformationLineItems" xlink:title="SegmentReportingInformationLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="SegmentReportingInformationLineItems" xlink:title="presentation: ScheduleOfSegmentReportingInformationBySegmentTable to SegmentReportingInformationLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="AccountsReceivableNetAbstract" xlink:title="AccountsReceivableNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="AccountsReceivableNetAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to AccountsReceivableNetAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountsReceivableNetAbstract" xlink:to="AccountsReceivableNetCurrent" xlink:title="presentation: AccountsReceivableNetAbstract to AccountsReceivableNetCurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="AllowanceForDoubtfulAccountsReceivableCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountsReceivableNetAbstract" xlink:to="AllowanceForDoubtfulAccountsReceivableCurrent" xlink:title="presentation: AccountsReceivableNetAbstract to AllowanceForDoubtfulAccountsReceivableCurrent" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="AssetsAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to AssetsAbstract" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsAbstract" xlink:to="Assets" xlink:title="presentation: AssetsAbstract to Assets" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="IntangibleAssetsNetExcludingGoodwillAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingInformationLineItems" xlink:to="IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="presentation: SegmentReportingInformationLineItems to IntangibleAssetsNetExcludingGoodwillAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:title="GoodwillAndIntangibleAssetsDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="ScheduleOfGoodwillTable" xlink:title="ScheduleOfGoodwillTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="ScheduleOfGoodwillTable" xlink:title="presentation: GoodwillAndIntangibleAssetsDisclosureAbstract to ScheduleOfGoodwillTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="StatementBusinessSegmentsAxis" xlink:title="presentation: ScheduleOfGoodwillTable to StatementBusinessSegmentsAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="presentation: StatementBusinessSegmentsAxis to SegmentDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AviationSegmentMember" xlink:label="AviationSegmentMember" xlink:title="AviationSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="AviationSegmentMember" xlink:title="presentation: SegmentDomain to AviationSegmentMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LandSegmentMember" xlink:label="LandSegmentMember" xlink:title="LandSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="LandSegmentMember" xlink:title="presentation: SegmentDomain to LandSegmentMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_MarineSegmentMember" xlink:label="MarineSegmentMember" xlink:title="MarineSegmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentDomain" xlink:to="MarineSegmentMember" xlink:title="presentation: SegmentDomain to MarineSegmentMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="GoodwillLineItems" xlink:title="GoodwillLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfGoodwillTable" xlink:to="GoodwillLineItems" xlink:title="presentation: ScheduleOfGoodwillTable to GoodwillLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="GoodwillRollForward" xlink:title="GoodwillRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="GoodwillRollForward" xlink:title="presentation: GoodwillLineItems to GoodwillRollForward" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="GoodwillAcquiredDuringPeriod" xlink:title="GoodwillAcquiredDuringPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillRollForward" xlink:to="GoodwillAcquiredDuringPeriod" xlink:title="presentation: GoodwillRollForward to GoodwillAcquiredDuringPeriod" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAllocationAdjustment" xlink:label="GoodwillAllocationAdjustment" xlink:title="GoodwillAllocationAdjustment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillRollForward" xlink:to="GoodwillAllocationAdjustment" xlink:title="presentation: GoodwillRollForward to GoodwillAllocationAdjustment" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="GoodwillOtherChanges" xlink:title="GoodwillOtherChanges" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GoodwillLineItems" xlink:to="GoodwillOtherChanges" xlink:title="presentation: GoodwillLineItems to GoodwillOtherChanges" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="IncomeStatementLocationAxis" xlink:title="IncomeStatementLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="IncomeStatementLocationDomain" xlink:title="IncomeStatementLocationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationAxis" xlink:to="IncomeStatementLocationDomain" xlink:title="presentation: IncomeStatementLocationAxis to IncomeStatementLocationDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="OtherIncomeMember" xlink:title="OtherIncomeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationDomain" xlink:to="OtherIncomeMember" xlink:title="presentation: IncomeStatementLocationDomain to OtherIncomeMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesMember" xlink:label="SalesMember" xlink:title="SalesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncomeStatementLocationDomain" xlink:to="SalesMember" xlink:title="presentation: IncomeStatementLocationDomain to SalesMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueByAssetAndLiabilitiesClassAxis" xlink:label="FairValueByAssetAndLiabilitiesClassAxis" xlink:title="FairValueByAssetAndLiabilitiesClassAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="FairValueByAssetAndLiabilitiesClassAxis" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable to FairValueByAssetAndLiabilitiesClassAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueClassOfAssetsAndLiabilitiesDomain" xlink:label="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="FairValueClassOfAssetsAndLiabilitiesDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByAssetAndLiabilitiesClassAxis" xlink:to="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="presentation: FairValueByAssetAndLiabilitiesClassAxis to FairValueClassOfAssetsAndLiabilitiesDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ContingentConsiderationEarnOutMember" xlink:label="ContingentConsiderationEarnOutMember" xlink:title="ContingentConsiderationEarnOutMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="ContingentConsiderationEarnOutMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to ContingentConsiderationEarnOutMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="ForeignExchangeContractMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to ForeignExchangeContractMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="CommodityContractMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to CommodityContractMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="IncomeStatementLocationAxis" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable to IncomeStatementLocationAxis" use="optional" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable to FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems to FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" order="8001.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" use="optional" order="8005.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" use="optional" order="8004.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:title="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract to FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" use="optional" order="8006.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" xlink:label="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" xlink:title="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" xlink:label="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" xlink:title="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/commentaryGuidance" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails">
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueByAssetAndLiabilitiesClassAxis" xlink:label="FairValueByAssetAndLiabilitiesClassAxis" xlink:title="FairValueByAssetAndLiabilitiesClassAxis" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairValueClassOfAssetsAndLiabilitiesDomain" xlink:label="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="FairValueClassOfAssetsAndLiabilitiesDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByAssetAndLiabilitiesClassAxis" xlink:to="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:title="presentation: FairValueByAssetAndLiabilitiesClassAxis to FairValueClassOfAssetsAndLiabilitiesDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ContingentConsiderationEarnOutMember" xlink:label="ContingentConsiderationEarnOutMember" xlink:title="ContingentConsiderationEarnOutMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="ContingentConsiderationEarnOutMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to ContingentConsiderationEarnOutMember" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="ForeignExchangeContractMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to ForeignExchangeContractMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="CommodityContractMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to CommodityContractMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HedgedItemsInventoriesMember" xlink:label="HedgedItemsInventoriesMember" xlink:title="HedgedItemsInventoriesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="HedgedItemsInventoriesMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to HedgedItemsInventoriesMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashEquivalentsMember" xlink:label="CashEquivalentsMember" xlink:title="CashEquivalentsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="CashEquivalentsMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to CashEquivalentsMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_HedgedItemsFirmCommitmentMember" xlink:label="HedgedItemsFirmCommitmentMember" xlink:title="HedgedItemsFirmCommitmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueClassOfAssetsAndLiabilitiesDomain" xlink:to="HedgedItemsFirmCommitmentMember" xlink:title="presentation: FairValueClassOfAssetsAndLiabilitiesDomain to HedgedItemsFirmCommitmentMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="presentation: FairValueDisclosuresAbstract to FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="FairValueByMeasurementFrequencyAxis" xlink:title="FairValueByMeasurementFrequencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="FairValueByMeasurementFrequencyAxis" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to FairValueByMeasurementFrequencyAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByMeasurementFrequencyAxis" xlink:to="FairValueMeasurementFrequencyDomain" xlink:title="presentation: FairValueByMeasurementFrequencyAxis to FairValueMeasurementFrequencyDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="FairValueMeasurementsRecurringMember" xlink:title="FairValueMeasurementsRecurringMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementFrequencyDomain" xlink:to="FairValueMeasurementsRecurringMember" xlink:title="presentation: FairValueMeasurementFrequencyDomain to FairValueMeasurementsRecurringMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="FairValueByFairValueHierarchyLevelAxis" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to FairValueByFairValueHierarchyLevelAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueByFairValueHierarchyLevelAxis" xlink:to="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="presentation: FairValueByFairValueHierarchyLevelAxis to FairValueMeasurementsFairValueHierarchyDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="FairValueInputsLevel1Member" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to FairValueInputsLevel1Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="FairValueInputsLevel2Member" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to FairValueInputsLevel2Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="FairValueInputsLevel3Member" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to FairValueInputsLevel3Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EstimateOfFairValueBeforeNettingMember" xlink:label="EstimateOfFairValueBeforeNettingMember" xlink:title="EstimateOfFairValueBeforeNettingMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="EstimateOfFairValueBeforeNettingMember" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to EstimateOfFairValueBeforeNettingMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NettingAndCollateralMember" xlink:label="NettingAndCollateralMember" xlink:title="NettingAndCollateralMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="NettingAndCollateralMember" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to NettingAndCollateralMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="EstimateOfFairValueFairValueDisclosureMember" xlink:title="EstimateOfFairValueFairValueDisclosureMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="EstimateOfFairValueFairValueDisclosureMember" xlink:title="presentation: FairValueMeasurementsFairValueHierarchyDomain to EstimateOfFairValueFairValueDisclosureMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="FairValueByAssetAndLiabilitiesClassAxis" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to FairValueByAssetAndLiabilitiesClassAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="AssetsFairValueDisclosureAbstract" xlink:title="AssetsFairValueDisclosureAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="AssetsFairValueDisclosureAbstract" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to AssetsFairValueDisclosureAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="AssetsFairValueDisclosure" xlink:title="AssetsFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsFairValueDisclosureAbstract" xlink:to="AssetsFairValueDisclosure" xlink:title="presentation: AssetsFairValueDisclosureAbstract to AssetsFairValueDisclosure" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="LiabilitiesFairValueDisclosureAbstract" xlink:title="LiabilitiesFairValueDisclosureAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="LiabilitiesFairValueDisclosureAbstract" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to LiabilitiesFairValueDisclosureAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="LiabilitiesFairValueDisclosure" xlink:title="LiabilitiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesFairValueDisclosureAbstract" xlink:to="LiabilitiesFairValueDisclosure" xlink:title="presentation: LiabilitiesFairValueDisclosureAbstract to LiabilitiesFairValueDisclosure" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesFairValueDisclosure" xlink:label="OtherLiabilitiesFairValueDisclosure" xlink:title="OtherLiabilitiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LiabilitiesFairValueDisclosureAbstract" xlink:to="OtherLiabilitiesFairValueDisclosure" xlink:title="presentation: LiabilitiesFairValueDisclosureAbstract to OtherLiabilitiesFairValueDisclosure" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="DebtInstrumentFairValue" xlink:title="DebtInstrumentFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="DebtInstrumentFairValue" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to DebtInstrumentFairValue" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReceivableFairValueDisclosure" xlink:label="NotesReceivableFairValueDisclosure" xlink:title="NotesReceivableFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="NotesReceivableFairValueDisclosure" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to NotesReceivableFairValueDisclosure" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeCollateralAbstract" xlink:label="DerivativeCollateralAbstract" xlink:title="DerivativeCollateralAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="DerivativeCollateralAbstract" xlink:title="presentation: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to DerivativeCollateralAbstract" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:label="DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:title="DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeCollateralAbstract" xlink:to="DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:title="presentation: DerivativeCollateralAbstract to DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue" xlink:label="SecurityOwnedAndPledgedAsCollateralFairValue" xlink:title="SecurityOwnedAndPledgedAsCollateralFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeCollateralAbstract" xlink:to="SecurityOwnedAndPledgedAsCollateralFairValue" xlink:title="presentation: DerivativeCollateralAbstract to SecurityOwnedAndPledgedAsCollateralFairValue" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:label="DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:title="DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeCollateralAbstract" xlink:to="DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:title="presentation: DerivativeCollateralAbstract to DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue" xlink:label="CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue" xlink:title="CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeCollateralAbstract" xlink:to="CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue" xlink:title="presentation: DerivativeCollateralAbstract to CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="presentation: SegmentReportingAbstract to ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="StatementGeographicalAxis" xlink:title="StatementGeographicalAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:to="StatementGeographicalAxis" xlink:title="presentation: ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable to StatementGeographicalAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="SegmentGeographicalDomain" xlink:title="SegmentGeographicalDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementGeographicalAxis" xlink:to="SegmentGeographicalDomain" xlink:title="presentation: StatementGeographicalAxis to SegmentGeographicalDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AmericasMember" xlink:label="AmericasMember" xlink:title="AmericasMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentGeographicalDomain" xlink:to="AmericasMember" xlink:title="presentation: SegmentGeographicalDomain to AmericasMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd#country_US" xlink:label="US" xlink:title="US" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AmericasMember" xlink:to="US" xlink:title="presentation: AmericasMember to US" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_EuropeMiddleEastAndAfricaMember" xlink:label="EuropeMiddleEastAndAfricaMember" xlink:title="EuropeMiddleEastAndAfricaMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentGeographicalDomain" xlink:to="EuropeMiddleEastAndAfricaMember" xlink:title="presentation: SegmentGeographicalDomain to EuropeMiddleEastAndAfricaMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd#country_GB" xlink:label="GB" xlink:title="GB" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EuropeMiddleEastAndAfricaMember" xlink:to="GB" xlink:title="presentation: EuropeMiddleEastAndAfricaMember to GB" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AsiaPacificRegionsMember" xlink:label="AsiaPacificRegionsMember" xlink:title="AsiaPacificRegionsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentGeographicalDomain" xlink:to="AsiaPacificRegionsMember" xlink:title="presentation: SegmentGeographicalDomain to AsiaPacificRegionsMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd#country_SG" xlink:label="SG" xlink:title="SG" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AsiaPacificRegionsMember" xlink:to="SG" xlink:title="presentation: AsiaPacificRegionsMember to SG" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherForeignCountriesMember" xlink:label="OtherForeignCountriesMember" xlink:title="OtherForeignCountriesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentGeographicalDomain" xlink:to="OtherForeignCountriesMember" xlink:title="presentation: SegmentGeographicalDomain to OtherForeignCountriesMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:title="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:to="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:title="presentation: ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable to RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="RevenuesAbstract" xlink:title="RevenuesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="RevenuesAbstract" xlink:title="presentation: RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to RevenuesAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLossAbstract" xlink:label="OperatingIncomeLossAbstract" xlink:title="OperatingIncomeLossAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="OperatingIncomeLossAbstract" xlink:title="presentation: RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to OperatingIncomeLossAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="AssetsNoncurrentAbstract" xlink:title="AssetsNoncurrentAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="AssetsNoncurrentAbstract" xlink:title="presentation: RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to AssetsNoncurrentAbstract" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="AssetsNoncurrent" xlink:title="AssetsNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AssetsNoncurrentAbstract" xlink:to="AssetsNoncurrent" xlink:title="presentation: AssetsNoncurrentAbstract to AssetsNoncurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="AssetsAbstract" xlink:title="presentation: RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to AssetsAbstract" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureAccountsReceivableDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="AccountsReceivableNetAbstract" xlink:title="AccountsReceivableNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="ValuationAndQualifyingAccountsDisclosureTable" xlink:title="ValuationAndQualifyingAccountsDisclosureTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AccountsReceivableNetAbstract" xlink:to="ValuationAndQualifyingAccountsDisclosureTable" xlink:title="presentation: AccountsReceivableNetAbstract to ValuationAndQualifyingAccountsDisclosureTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="ValuationAllowancesAndReservesTypeAxis" xlink:title="ValuationAllowancesAndReservesTypeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAndQualifyingAccountsDisclosureTable" xlink:to="ValuationAllowancesAndReservesTypeAxis" xlink:title="presentation: ValuationAndQualifyingAccountsDisclosureTable to ValuationAllowancesAndReservesTypeAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="ValuationAllowancesAndReservesDomain" xlink:title="ValuationAllowancesAndReservesDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAllowancesAndReservesTypeAxis" xlink:to="ValuationAllowancesAndReservesDomain" xlink:title="presentation: ValuationAllowancesAndReservesTypeAxis to ValuationAllowancesAndReservesDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="AllowanceForDoubtfulAccountsMember" xlink:title="AllowanceForDoubtfulAccountsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAllowancesAndReservesDomain" xlink:to="AllowanceForDoubtfulAccountsMember" xlink:title="presentation: ValuationAllowancesAndReservesDomain to AllowanceForDoubtfulAccountsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAndQualifyingAccountsDisclosureTable" xlink:to="LegalEntityAxis" xlink:title="presentation: ValuationAndQualifyingAccountsDisclosureTable to LegalEntityAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" xlink:title="presentation: LegalEntityAxis to EntityDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="LimitedLiabilityCompanyMember" xlink:title="LimitedLiabilityCompanyMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EntityDomain" xlink:to="LimitedLiabilityCompanyMember" xlink:title="presentation: EntityDomain to LimitedLiabilityCompanyMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:title="ValuationAndQualifyingAccountsDisclosureLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAndQualifyingAccountsDisclosureTable" xlink:to="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:title="presentation: ValuationAndQualifyingAccountsDisclosureTable to ValuationAndQualifyingAccountsDisclosureLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="MovementInValuationAllowancesAndReservesRollForward" xlink:title="MovementInValuationAllowancesAndReservesRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="MovementInValuationAllowancesAndReservesRollForward" xlink:title="presentation: ValuationAndQualifyingAccountsDisclosureLineItems to MovementInValuationAllowancesAndReservesRollForward" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="ValuationAllowancesAndReservesBalance" xlink:title="ValuationAllowancesAndReservesBalance" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="ValuationAllowancesAndReservesBalance" xlink:title="presentation: MovementInValuationAllowancesAndReservesRollForward to ValuationAllowancesAndReservesBalance" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="ValuationAllowancesAndReservesBalance_2" xlink:title="ValuationAllowancesAndReservesBalance" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="ValuationAllowancesAndReservesBalance_2" xlink:title="presentation: MovementInValuationAllowancesAndReservesRollForward to ValuationAllowancesAndReservesBalance" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:title="ValuationAllowancesAndReservesChargedToCostAndExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:title="presentation: MovementInValuationAllowancesAndReservesRollForward to ValuationAllowancesAndReservesChargedToCostAndExpense" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="ValuationAllowancesAndReservesDeductions" xlink:title="ValuationAllowancesAndReservesDeductions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="ValuationAllowancesAndReservesDeductions" xlink:title="presentation: MovementInValuationAllowancesAndReservesRollForward to ValuationAllowancesAndReservesDeductions" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesRecoveries" xlink:label="ValuationAllowancesAndReservesRecoveries" xlink:title="ValuationAllowancesAndReservesRecoveries" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="ValuationAllowancesAndReservesRecoveries" xlink:title="presentation: MovementInValuationAllowancesAndReservesRollForward to ValuationAllowancesAndReservesRecoveries" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrentAbstract" xlink:label="DueFromRelatedPartiesCurrentAbstract" xlink:title="DueFromRelatedPartiesCurrentAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="DueFromRelatedPartiesCurrentAbstract" xlink:title="presentation: ValuationAndQualifyingAccountsDisclosureLineItems to DueFromRelatedPartiesCurrentAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent" xlink:label="AccountsReceivableRelatedPartiesCurrent" xlink:title="AccountsReceivableRelatedPartiesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DueFromRelatedPartiesCurrentAbstract" xlink:to="AccountsReceivableRelatedPartiesCurrent" xlink:title="presentation: DueFromRelatedPartiesCurrentAbstract to AccountsReceivableRelatedPartiesCurrent" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="RevenueFromRelatedParties" xlink:title="RevenueFromRelatedParties" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DueFromRelatedPartiesCurrentAbstract" xlink:to="RevenueFromRelatedParties" xlink:title="presentation: DueFromRelatedPartiesCurrentAbstract to RevenueFromRelatedParties" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="LossContingenciesTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to LossContingenciesTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesByNatureOfContingencyAxis" xlink:title="presentation: LossContingenciesTable to LossContingenciesByNatureOfContingencyAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="LossContingencyNatureDomain" xlink:title="presentation: LossContingenciesByNatureOfContingencyAxis to LossContingencyNatureDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember" xlink:label="AgreementsWithExecutiveOfficersAndKeyEmployeesMember" xlink:title="AgreementsWithExecutiveOfficersAndKeyEmployeesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingencyNatureDomain" xlink:to="AgreementsWithExecutiveOfficersAndKeyEmployeesMember" xlink:title="presentation: LossContingencyNatureDomain to AgreementsWithExecutiveOfficersAndKeyEmployeesMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_KasbarAgreementMember" xlink:label="KasbarAgreementMember" xlink:title="KasbarAgreementMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingencyNatureDomain" xlink:to="KasbarAgreementMember" xlink:title="presentation: LossContingencyNatureDomain to KasbarAgreementMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_StebbinsAgreementMember" xlink:label="StebbinsAgreementMember" xlink:title="StebbinsAgreementMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingencyNatureDomain" xlink:to="StebbinsAgreementMember" xlink:title="presentation: LossContingencyNatureDomain to StebbinsAgreementMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="AwardTypeAxis" xlink:title="presentation: LossContingenciesTable to AwardTypeAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="presentation: AwardTypeAxis to ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="RestrictedStockUnitsRSUMember" xlink:title="RestrictedStockUnitsRSUMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockUnitsRSUMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockUnitsRSUMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_RestrictedStockUnitsServiceBasedMember" xlink:label="RestrictedStockUnitsServiceBasedMember" xlink:title="RestrictedStockUnitsServiceBasedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockUnitsServiceBasedMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockUnitsServiceBasedMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_RestrictedStockUnitsPerformanceBasedMember" xlink:label="RestrictedStockUnitsPerformanceBasedMember" xlink:title="RestrictedStockUnitsPerformanceBasedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockUnitsPerformanceBasedMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockUnitsPerformanceBasedMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NamedExecutiveOfficerAnnualIncentiveAwardsMember" xlink:label="NamedExecutiveOfficerAnnualIncentiveAwardsMember" xlink:title="NamedExecutiveOfficerAnnualIncentiveAwardsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="NamedExecutiveOfficerAnnualIncentiveAwardsMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to NamedExecutiveOfficerAnnualIncentiveAwardsMember" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="PlanNameAxis" xlink:title="presentation: LossContingenciesTable to PlanNameAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameAxis" xlink:to="PlanNameDomain" xlink:title="presentation: PlanNameAxis to PlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Omnibus2006PlanMember" xlink:label="Omnibus2006PlanMember" xlink:title="Omnibus2006PlanMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameDomain" xlink:to="Omnibus2006PlanMember" xlink:title="presentation: PlanNameDomain to Omnibus2006PlanMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="RangeAxis" xlink:title="presentation: LossContingenciesTable to RangeAxis" order="4.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeAxis" xlink:to="RangeMember" xlink:title="presentation: RangeAxis to RangeMember" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeMember" xlink:to="MinimumMember" xlink:title="presentation: RangeMember to MinimumMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeMember" xlink:to="MaximumMember" xlink:title="presentation: RangeMember to MaximumMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesLineItems" xlink:title="presentation: LossContingenciesTable to LossContingenciesLineItems" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyAnnualBaseSalaryUnderAgreement" xlink:label="LossContingencyAnnualBaseSalaryUnderAgreement" xlink:title="LossContingencyAnnualBaseSalaryUnderAgreement" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyAnnualBaseSalaryUnderAgreement" xlink:title="presentation: LossContingenciesLineItems to LossContingencyAnnualBaseSalaryUnderAgreement" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyAgreementExpirationTerm" xlink:label="LossContingencyAgreementExpirationTerm" xlink:title="LossContingencyAgreementExpirationTerm" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyAgreementExpirationTerm" xlink:title="presentation: LossContingenciesLineItems to LossContingencyAgreementExpirationTerm" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" xlink:label="LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" xlink:title="LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" xlink:title="presentation: LossContingenciesLineItems to LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" xlink:label="LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" xlink:title="LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" xlink:title="presentation: LossContingenciesLineItems to LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyEquityBasedAwardsGrantDateValueTargeted" xlink:label="LossContingencyEquityBasedAwardsGrantDateValueTargeted" xlink:title="LossContingencyEquityBasedAwardsGrantDateValueTargeted" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyEquityBasedAwardsGrantDateValueTargeted" xlink:title="presentation: LossContingenciesLineItems to LossContingencyEquityBasedAwardsGrantDateValueTargeted" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyEquityBasedAwardsToBeGrantedPercentage" xlink:label="LossContingencyEquityBasedAwardsToBeGrantedPercentage" xlink:title="LossContingencyEquityBasedAwardsToBeGrantedPercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyEquityBasedAwardsToBeGrantedPercentage" xlink:title="presentation: LossContingenciesLineItems to LossContingencyEquityBasedAwardsToBeGrantedPercentage" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" xlink:label="LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" xlink:title="LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" xlink:title="presentation: LossContingenciesLineItems to LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" xlink:label="LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" xlink:title="LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" xlink:title="presentation: LossContingenciesLineItems to LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" xlink:label="LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" xlink:title="LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" xlink:title="presentation: LossContingenciesLineItems to LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" xlink:label="LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" xlink:title="LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" xlink:title="presentation: LossContingenciesLineItems to LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:title="presentation: LossContingenciesLineItems to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" use="optional" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesCurrent" xlink:label="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesCurrent" xlink:title="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesCurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" xlink:to="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesCurrent" xlink:title="presentation: FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract to FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesCurrent" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:title="presentation: LossContingenciesLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:label="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:title="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:title="presentation: LossContingenciesLineItems to CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:label="CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:to="CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="presentation: CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract to CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="presentation: CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:label="CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:to="CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" xlink:title="presentation: CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract to CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:label="DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:title="DeferredCompensationArrangementWithIndividualCompensationExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" xlink:to="DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:title="presentation: CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract to DeferredCompensationArrangementWithIndividualCompensationExpense" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="LossContingenciesTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to LossContingenciesTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesByNatureOfContingencyAxis" xlink:title="presentation: LossContingenciesTable to LossContingenciesByNatureOfContingencyAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="LossContingencyNatureDomain" xlink:title="presentation: LossContingenciesByNatureOfContingencyAxis to LossContingencyNatureDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnassertedClaimMember" xlink:label="UnassertedClaimMember" xlink:title="UnassertedClaimMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingencyNatureDomain" xlink:to="UnassertedClaimMember" xlink:title="presentation: LossContingencyNatureDomain to UnassertedClaimMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="RangeAxis" xlink:title="presentation: LossContingenciesTable to RangeAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeAxis" xlink:to="RangeMember" xlink:title="presentation: RangeAxis to RangeMember" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeMember" xlink:to="MinimumMember" xlink:title="presentation: RangeMember to MinimumMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesLineItems" xlink:title="presentation: LossContingenciesTable to LossContingenciesLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyNumberOfSubsidiaryDefendants" xlink:label="LossContingencyNumberOfSubsidiaryDefendants" xlink:title="LossContingencyNumberOfSubsidiaryDefendants" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyNumberOfSubsidiaryDefendants" xlink:title="presentation: LossContingenciesLineItems to LossContingencyNumberOfSubsidiaryDefendants" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="LossContingencyDamagesSoughtValue" xlink:title="LossContingencyDamagesSoughtValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyDamagesSoughtValue" xlink:title="presentation: LossContingenciesLineItems to LossContingencyDamagesSoughtValue" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="LossContingencyPendingClaimsNumber" xlink:title="LossContingencyPendingClaimsNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyPendingClaimsNumber" xlink:title="presentation: LossContingenciesLineItems to LossContingencyPendingClaimsNumber" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="LitigationCaseAxis" xlink:title="LitigationCaseAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LitigationCaseAxis" xlink:title="presentation: LossContingenciesTable to LitigationCaseAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="LitigationCaseTypeDomain" xlink:title="LitigationCaseTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LitigationCaseAxis" xlink:to="LitigationCaseTypeDomain" xlink:title="presentation: LitigationCaseAxis to LitigationCaseTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_WFSSVsCathayPacificAirwaysLimitedMember" xlink:label="WFSSVsCathayPacificAirwaysLimitedMember" xlink:title="WFSSVsCathayPacificAirwaysLimitedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LitigationCaseTypeDomain" xlink:to="WFSSVsCathayPacificAirwaysLimitedMember" xlink:title="presentation: LitigationCaseTypeDomain to WFSSVsCathayPacificAirwaysLimitedMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails6">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="LossContingenciesTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to LossContingenciesTable" use="optional" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesByNatureOfContingencyAxis" xlink:title="presentation: LossContingenciesTable to LossContingenciesByNatureOfContingencyAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="LossContingencyNatureDomain" xlink:title="presentation: LossContingenciesByNatureOfContingencyAxis to LossContingencyNatureDomain" use="optional" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AllegedPreferenceAndFraudulentTransferPaymentsReceivedMember" xlink:label="AllegedPreferenceAndFraudulentTransferPaymentsReceivedMember" xlink:title="AllegedPreferenceAndFraudulentTransferPaymentsReceivedMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingencyNatureDomain" xlink:to="AllegedPreferenceAndFraudulentTransferPaymentsReceivedMember" xlink:title="presentation: LossContingencyNatureDomain to AllegedPreferenceAndFraudulentTransferPaymentsReceivedMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesLineItems" xlink:title="presentation: LossContingenciesTable to LossContingenciesLineItems" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNumberOfDefendants" xlink:label="LossContingencyNumberOfDefendants" xlink:title="LossContingencyNumberOfDefendants" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyNumberOfDefendants" xlink:title="presentation: LossContingenciesLineItems to LossContingencyNumberOfDefendants" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LossContingencyDamagesSoughtFromOtherDefendants" xlink:label="LossContingencyDamagesSoughtFromOtherDefendants" xlink:title="LossContingencyDamagesSoughtFromOtherDefendants" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesLineItems" xlink:to="LossContingencyDamagesSoughtFromOtherDefendants" xlink:title="presentation: LossContingenciesLineItems to LossContingencyDamagesSoughtFromOtherDefendants" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesFutureMinimumPaymentsDueAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to OperatingLeasesFutureMinimumPaymentsDueAbstract" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:title="OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:title="presentation: OperatingLeasesFutureMinimumPaymentsDueAbstract to OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="LossContingenciesTable" xlink:title="LossContingenciesTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="LossContingenciesTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to LossContingenciesTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesByNatureOfContingencyAxis" xlink:title="presentation: LossContingenciesTable to LossContingenciesByNatureOfContingencyAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="LossContingencyNatureDomain" xlink:title="presentation: LossContingenciesByNatureOfContingencyAxis to LossContingencyNatureDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="LossContingenciesLineItems" xlink:title="LossContingenciesLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LossContingenciesTable" xlink:to="LossContingenciesLineItems" xlink:title="presentation: LossContingenciesTable to LossContingenciesLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="presentation: AwardTypeAxis to ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="RestrictedStockUnitsRSUMember" xlink:title="RestrictedStockUnitsRSUMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockUnitsRSUMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockUnitsRSUMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="RestrictedStockMember" xlink:title="RestrictedStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="StockAppreciationRightsSARSMember" xlink:title="StockAppreciationRightsSARSMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="StockAppreciationRightsSARSMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to StockAppreciationRightsSARSMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="EmployeeStockOptionMember" xlink:title="EmployeeStockOptionMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="EmployeeStockOptionMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to EmployeeStockOptionMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameAxis" xlink:to="PlanNameDomain" xlink:title="presentation: PlanNameAxis to PlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Omnibus2006PlanMember" xlink:label="Omnibus2006PlanMember" xlink:title="Omnibus2006PlanMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameDomain" xlink:to="Omnibus2006PlanMember" xlink:title="presentation: PlanNameDomain to Omnibus2006PlanMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_StockDeferralPlanMember" xlink:label="StockDeferralPlanMember" xlink:title="StockDeferralPlanMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameDomain" xlink:to="StockDeferralPlanMember" xlink:title="presentation: PlanNameDomain to StockDeferralPlanMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_Omnibus2001PlanMember" xlink:label="Omnibus2001PlanMember" xlink:title="Omnibus2001PlanMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PlanNameDomain" xlink:to="Omnibus2001PlanMember" xlink:title="presentation: PlanNameDomain to Omnibus2001PlanMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="PlanNameAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to PlanNameAxis" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="AwardTypeAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to AwardTypeAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:label="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:title="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" order="3.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:to="TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="presentation: DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis to TitleOfIndividualWithRelationshipToEntityDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NonemployeeDirectorMember" xlink:label="NonemployeeDirectorMember" xlink:title="NonemployeeDirectorMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="NonemployeeDirectorMember" xlink:title="presentation: TitleOfIndividualWithRelationshipToEntityDomain to NonemployeeDirectorMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" xlink:label="FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" xlink:title="FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" use="optional" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="presentation: AwardTypeAxis to ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="RestrictedStockUnitsRSUMember" xlink:title="RestrictedStockUnitsRSUMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockUnitsRSUMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockUnitsRSUMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="StockAppreciationRightsSARSMember" xlink:title="StockAppreciationRightsSARSMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="StockAppreciationRightsSARSMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to StockAppreciationRightsSARSMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="AwardTypeAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to AwardTypeAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:label="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:title="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis" xlink:to="TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="presentation: DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTitleOfIndividualAxis to TitleOfIndividualWithRelationshipToEntityDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_NonemployeeDirectorMember" xlink:label="NonemployeeDirectorMember" xlink:title="NonemployeeDirectorMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="NonemployeeDirectorMember" xlink:title="presentation: TitleOfIndividualWithRelationshipToEntityDomain to NonemployeeDirectorMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_2" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice_2" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice_2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestingPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestingPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestingPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestingPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestingPeriod" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesToBeIssuedDeferred" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesToBeIssuedDeferred" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesToBeIssuedDeferred" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesToBeIssuedDeferred" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesToBeIssuedDeferred" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageSharesToBeIssuedDeferralPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageSharesToBeIssuedDeferralPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageSharesToBeIssuedDeferralPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageSharesToBeIssuedDeferralPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageSharesToBeIssuedDeferralPeriod" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to StockIssuedDuringPeriodSharesStockOptionsExercised" order="8001.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" order="8002.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" use="optional" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AwardTypeAxis" xlink:to="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="presentation: AwardTypeAxis to ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="RestrictedStockMember" xlink:title="RestrictedStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="RestrictedStockMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to RestrictedStockMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SpecialBonusAwardsMember" xlink:label="SpecialBonusAwardsMember" xlink:title="SpecialBonusAwardsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="SpecialBonusAwardsMember" xlink:title="presentation: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to SpecialBonusAwardsMember" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="EquityAbstract" xlink:title="EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityAbstract" xlink:to="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="presentation: EquityAbstract to ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="AwardTypeAxis" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to AwardTypeAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="presentation: ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:title="presentation: ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeAxis" xlink:to="RangeMember" xlink:title="presentation: RangeAxis to RangeMember" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeMember" xlink:to="MinimumMember" xlink:title="presentation: RangeMember to MinimumMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RangeMember" xlink:to="MaximumMember" xlink:title="presentation: RangeMember to MaximumMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" xlink:title="PropertyPlantAndEquipmentAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="presentation: PropertyPlantAndEquipmentAbstract to ScheduleOfPropertyPlantAndEquipmentTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="PropertyPlantAndEquipmentByTypeAxis" xlink:title="PropertyPlantAndEquipmentByTypeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="PropertyPlantAndEquipmentByTypeAxis" xlink:title="presentation: ScheduleOfPropertyPlantAndEquipmentTable to PropertyPlantAndEquipmentByTypeAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentByTypeAxis" xlink:to="PropertyPlantAndEquipmentTypeDomain" xlink:title="presentation: PropertyPlantAndEquipmentByTypeAxis to PropertyPlantAndEquipmentTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandMember" xlink:label="LandMember" xlink:title="LandMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="LandMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to LandMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="BuildingAndBuildingImprovementsMember" xlink:title="BuildingAndBuildingImprovementsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="BuildingAndBuildingImprovementsMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to BuildingAndBuildingImprovementsMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OfficeEquipmentFurnitureAndFixturesMember" xlink:label="OfficeEquipmentFurnitureAndFixturesMember" xlink:title="OfficeEquipmentFurnitureAndFixturesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="OfficeEquipmentFurnitureAndFixturesMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to OfficeEquipmentFurnitureAndFixturesMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ComputerEquipmentAndSoftwareCostsMember" xlink:label="ComputerEquipmentAndSoftwareCostsMember" xlink:title="ComputerEquipmentAndSoftwareCostsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="ComputerEquipmentAndSoftwareCostsMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to ComputerEquipmentAndSoftwareCostsMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="MachineryAndEquipmentMember" xlink:title="MachineryAndEquipmentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="MachineryAndEquipmentMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to MachineryAndEquipmentMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to SoftwareAndSoftwareDevelopmentCostsMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_SoftwareDevelopmentInProgressMember" xlink:label="SoftwareDevelopmentInProgressMember" xlink:title="SoftwareDevelopmentInProgressMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="SoftwareDevelopmentInProgressMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to SoftwareDevelopmentInProgressMember" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="AssetsHeldUnderCapitalLeasesMember" xlink:title="AssetsHeldUnderCapitalLeasesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="AssetsHeldUnderCapitalLeasesMember" xlink:title="presentation: PropertyPlantAndEquipmentTypeDomain to AssetsHeldUnderCapitalLeasesMember" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="RangeAxis" xlink:title="presentation: ScheduleOfPropertyPlantAndEquipmentTable to RangeAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="PropertyPlantAndEquipmentLineItems" xlink:title="PropertyPlantAndEquipmentLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="PropertyPlantAndEquipmentLineItems" xlink:title="presentation: ScheduleOfPropertyPlantAndEquipmentTable to PropertyPlantAndEquipmentLineItems" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="PropertyPlantAndEquipmentNetAbstract" xlink:title="PropertyPlantAndEquipmentNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="PropertyPlantAndEquipmentNetAbstract" xlink:title="presentation: PropertyPlantAndEquipmentLineItems to PropertyPlantAndEquipmentNetAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentNetAbstract" xlink:to="PropertyPlantAndEquipmentGross" xlink:title="presentation: PropertyPlantAndEquipmentNetAbstract to PropertyPlantAndEquipmentGross" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentNetAbstract" xlink:to="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="presentation: PropertyPlantAndEquipmentNetAbstract to AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="PropertyPlantAndEquipmentUsefulLife" xlink:title="PropertyPlantAndEquipmentUsefulLife" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentNetAbstract" xlink:to="PropertyPlantAndEquipmentUsefulLife" xlink:title="presentation: PropertyPlantAndEquipmentNetAbstract to PropertyPlantAndEquipmentUsefulLife" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="Depreciation" xlink:title="Depreciation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="Depreciation" xlink:title="presentation: PropertyPlantAndEquipmentLineItems to Depreciation" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareNetAbstract" xlink:label="CapitalizedComputerSoftwareNetAbstract" xlink:title="CapitalizedComputerSoftwareNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="CapitalizedComputerSoftwareNetAbstract" xlink:title="presentation: PropertyPlantAndEquipmentLineItems to CapitalizedComputerSoftwareNetAbstract" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareGross" xlink:label="CapitalizedComputerSoftwareGross" xlink:title="CapitalizedComputerSoftwareGross" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CapitalizedComputerSoftwareNetAbstract" xlink:to="CapitalizedComputerSoftwareGross" xlink:title="presentation: CapitalizedComputerSoftwareNetAbstract to CapitalizedComputerSoftwareGross" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization" xlink:label="CapitalizedComputerSoftwareAccumulatedAmortization" xlink:title="CapitalizedComputerSoftwareAccumulatedAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CapitalizedComputerSoftwareNetAbstract" xlink:to="CapitalizedComputerSoftwareAccumulatedAmortization" xlink:title="presentation: CapitalizedComputerSoftwareNetAbstract to CapitalizedComputerSoftwareAccumulatedAmortization" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareNet" xlink:label="CapitalizedComputerSoftwareNet" xlink:title="CapitalizedComputerSoftwareNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CapitalizedComputerSoftwareNetAbstract" xlink:to="CapitalizedComputerSoftwareNet" xlink:title="presentation: CapitalizedComputerSoftwareNetAbstract to CapitalizedComputerSoftwareNet" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAmortization" xlink:label="CapitalizedComputerSoftwareAmortization" xlink:title="CapitalizedComputerSoftwareAmortization" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="CapitalizedComputerSoftwareAmortization" xlink:title="presentation: PropertyPlantAndEquipmentLineItems to CapitalizedComputerSoftwareAmortization" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDebtDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfDebtInstrumentsTable" xlink:label="ScheduleOfDebtInstrumentsTable" xlink:title="ScheduleOfDebtInstrumentsTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="ScheduleOfDebtInstrumentsTable" xlink:title="presentation: DebtDisclosureAbstract to ScheduleOfDebtInstrumentsTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="DebtInstrumentAxis" xlink:title="presentation: ScheduleOfDebtInstrumentsTable to DebtInstrumentAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentAxis" xlink:to="DebtInstrumentNameDomain" xlink:title="presentation: DebtInstrumentAxis to DebtInstrumentNameDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="RevolvingCreditFacilityMember" xlink:title="RevolvingCreditFacilityMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="RevolvingCreditFacilityMember" xlink:title="presentation: DebtInstrumentNameDomain to RevolvingCreditFacilityMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LettersOfCreditAndBankersAcceptanceMember" xlink:label="LettersOfCreditAndBankersAcceptanceMember" xlink:title="LettersOfCreditAndBankersAcceptanceMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevolvingCreditFacilityMember" xlink:to="LettersOfCreditAndBankersAcceptanceMember" xlink:title="presentation: RevolvingCreditFacilityMember to LettersOfCreditAndBankersAcceptanceMember" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="SeniorNotesMember" xlink:title="SeniorNotesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="RevolvingCreditFacilityMember" xlink:to="SeniorNotesMember" xlink:title="presentation: RevolvingCreditFacilityMember to SeniorNotesMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherUncommittedCreditLinesMember" xlink:label="OtherUncommittedCreditLinesMember" xlink:title="OtherUncommittedCreditLinesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="OtherUncommittedCreditLinesMember" xlink:title="presentation: DebtInstrumentNameDomain to OtherUncommittedCreditLinesMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtInstrumentVariableRateBaseAxis" xlink:label="DebtInstrumentVariableRateBaseAxis" xlink:title="DebtInstrumentVariableRateBaseAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="DebtInstrumentVariableRateBaseAxis" xlink:title="presentation: ScheduleOfDebtInstrumentsTable to DebtInstrumentVariableRateBaseAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtInstrumentVariableRateBaseDomain" xlink:label="DebtInstrumentVariableRateBaseDomain" xlink:title="DebtInstrumentVariableRateBaseDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentVariableRateBaseAxis" xlink:to="DebtInstrumentVariableRateBaseDomain" xlink:title="presentation: DebtInstrumentVariableRateBaseAxis to DebtInstrumentVariableRateBaseDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtInstrumentVariableRateBaseMember" xlink:label="DebtInstrumentVariableRateBaseMember" xlink:title="DebtInstrumentVariableRateBaseMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentVariableRateBaseDomain" xlink:to="DebtInstrumentVariableRateBaseMember" xlink:title="presentation: DebtInstrumentVariableRateBaseDomain to DebtInstrumentVariableRateBaseMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtInstrumentVariableRateEurodollarMember" xlink:label="DebtInstrumentVariableRateEurodollarMember" xlink:title="DebtInstrumentVariableRateEurodollarMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentVariableRateBaseDomain" xlink:to="DebtInstrumentVariableRateEurodollarMember" xlink:title="presentation: DebtInstrumentVariableRateBaseDomain to DebtInstrumentVariableRateEurodollarMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="DebtInstrumentLineItems" xlink:title="presentation: ScheduleOfDebtInstrumentsTable to DebtInstrumentLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityMaximumBorrowingCapacity" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" xlink:label="LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" xlink:title="LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentDescriptionOfVariableRateBasis" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="DebtInstrumentBasisSpreadOnVariableRate" xlink:title="DebtInstrumentBasisSpreadOnVariableRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentBasisSpreadOnVariableRate" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentBasisSpreadOnVariableRate" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityCommitmentFeePercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityCommitmentFeePercentage" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityCommitmentFeePercentage" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" use="optional" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="LettersOfCreditOutstandingAmount" xlink:title="LettersOfCreditOutstandingAmount" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LettersOfCreditOutstandingAmount" xlink:title="presentation: DebtInstrumentLineItems to LettersOfCreditOutstandingAmount" use="optional" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="LineOfCreditFacilityAmountOutstanding" xlink:title="LineOfCreditFacilityAmountOutstanding" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityAmountOutstanding" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityAmountOutstanding" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityRemainingBorrowingCapacity" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentIncreaseAdditionalBorrowings" xlink:label="DebtInstrumentIncreaseAdditionalBorrowings" xlink:title="DebtInstrumentIncreaseAdditionalBorrowings" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentIncreaseAdditionalBorrowings" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentIncreaseAdditionalBorrowings" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="LongTermDebtByMaturityAbstract" xlink:title="LongTermDebtByMaturityAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LongTermDebtByMaturityAbstract" xlink:title="presentation: DebtInstrumentLineItems to LongTermDebtByMaturityAbstract" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" use="optional" order="8002.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="presentation: LongTermDebtByMaturityAbstract to LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" use="optional" order="8004.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_LineOfCreditTerm" xlink:label="LineOfCreditTerm" xlink:title="LineOfCreditTerm" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditTerm" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditTerm" use="optional" order="8003.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureDebtDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfDebtInstrumentsTable" xlink:label="ScheduleOfDebtInstrumentsTable" xlink:title="ScheduleOfDebtInstrumentsTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="ScheduleOfDebtInstrumentsTable" xlink:title="presentation: DebtDisclosureAbstract to ScheduleOfDebtInstrumentsTable" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="DebtInstrumentAxis" xlink:title="presentation: ScheduleOfDebtInstrumentsTable to DebtInstrumentAxis" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentAxis" xlink:to="DebtInstrumentNameDomain" xlink:title="presentation: DebtInstrumentAxis to DebtInstrumentNameDomain" use="optional" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_CreditFacilityAndTermLoansMember" xlink:label="CreditFacilityAndTermLoansMember" xlink:title="CreditFacilityAndTermLoansMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="CreditFacilityAndTermLoansMember" xlink:title="presentation: DebtInstrumentNameDomain to CreditFacilityAndTermLoansMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AcquiredPromissoryNotesMember" xlink:label="AcquiredPromissoryNotesMember" xlink:title="AcquiredPromissoryNotesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="AcquiredPromissoryNotesMember" xlink:title="presentation: DebtInstrumentNameDomain to AcquiredPromissoryNotesMember" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="LoansPayableMember" xlink:title="LoansPayableMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="LoansPayableMember" xlink:title="presentation: DebtInstrumentNameDomain to LoansPayableMember" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="SeniorNotesMember" xlink:title="SeniorNotesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="SeniorNotesMember" xlink:title="presentation: DebtInstrumentNameDomain to SeniorNotesMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="CapitalLeaseObligationsMember" xlink:title="CapitalLeaseObligationsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="CapitalLeaseObligationsMember" xlink:title="presentation: DebtInstrumentNameDomain to CapitalLeaseObligationsMember" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDebtInstrumentsTable" xlink:to="DebtInstrumentLineItems" xlink:title="presentation: ScheduleOfDebtInstrumentsTable to DebtInstrumentLineItems" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="LongTermDebtByMaturityAbstract" xlink:title="LongTermDebtByMaturityAbstract" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" use="optional" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" xlink:title="presentation: LongTermDebtByMaturityAbstract to DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" use="optional" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="DebtAndCapitalLeaseObligations" xlink:title="DebtAndCapitalLeaseObligations" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtAndCapitalLeaseObligations" xlink:title="presentation: DebtInstrumentLineItems to DebtAndCapitalLeaseObligations" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:title="DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:title="DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="ShortTermDebtWeightedAverageInterestRate" xlink:title="ShortTermDebtWeightedAverageInterestRate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="ShortTermDebtWeightedAverageInterestRate" xlink:title="presentation: DebtInstrumentLineItems to ShortTermDebtWeightedAverageInterestRate" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="DebtInstrumentInterestRateStatedPercentage" xlink:title="DebtInstrumentInterestRateStatedPercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="DebtInstrumentInterestRateStatedPercentage" xlink:title="presentation: DebtInstrumentLineItems to DebtInstrumentInterestRateStatedPercentage" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="LongTermDebtByMaturityAbstract" xlink:title="presentation: DebtDisclosureAbstract to LongTermDebtByMaturityAbstract" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="OtherIncomeAndExpensesAbstract" xlink:title="OtherIncomeAndExpensesAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtDisclosureAbstract" xlink:to="OtherIncomeAndExpensesAbstract" xlink:title="presentation: DebtDisclosureAbstract to OtherIncomeAndExpensesAbstract" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentAxis" xlink:to="DebtInstrumentNameDomain" xlink:title="presentation: DebtInstrumentAxis to DebtInstrumentNameDomain" order="8000.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="RevolvingCreditFacilityMember" xlink:title="RevolvingCreditFacilityMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentNameDomain" xlink:to="RevolvingCreditFacilityMember" xlink:title="presentation: DebtInstrumentNameDomain to RevolvingCreditFacilityMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityDecreaseRepayments" xlink:label="LineOfCreditFacilityDecreaseRepayments" xlink:title="LineOfCreditFacilityDecreaseRepayments" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityDecreaseRepayments" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityDecreaseRepayments" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseAdditionalBorrowings" xlink:label="LineOfCreditFacilityIncreaseAdditionalBorrowings" xlink:title="LineOfCreditFacilityIncreaseAdditionalBorrowings" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentLineItems" xlink:to="LineOfCreditFacilityIncreaseAdditionalBorrowings" xlink:title="presentation: DebtInstrumentLineItems to LineOfCreditFacilityIncreaseAdditionalBorrowings" order="8001.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="OtherIncomeAndExpensesAbstract" xlink:title="OtherIncomeAndExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeOther" xlink:label="InterestIncomeOther" xlink:title="InterestIncomeOther" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherIncomeAndExpensesAbstract" xlink:to="InterestIncomeOther" xlink:title="presentation: OtherIncomeAndExpensesAbstract to InterestIncomeOther" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherIncomeAndExpensesAbstract" xlink:to="InterestExpense" xlink:title="presentation: OtherIncomeAndExpensesAbstract to InterestExpense" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:label="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="InterestIncomeExpenseAndOtherFinancialCostsNet" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherIncomeAndExpensesAbstract" xlink:to="InterestIncomeExpenseAndOtherFinancialCostsNet" xlink:title="presentation: OtherIncomeAndExpensesAbstract to InterestIncomeExpenseAndOtherFinancialCostsNet" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNetAbstract" xlink:label="InterestIncomeExpenseNetAbstract" xlink:title="InterestIncomeExpenseNetAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InterestIncomeExpenseNetAbstract" xlink:to="OtherIncomeAndExpensesAbstract" xlink:title="presentation: InterestIncomeExpenseNetAbstract to OtherIncomeAndExpensesAbstract" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="DebtInstrumentTable" xlink:title="DebtInstrumentTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InterestIncomeExpenseNetAbstract" xlink:to="DebtInstrumentTable" xlink:title="presentation: InterestIncomeExpenseNetAbstract to DebtInstrumentTable" use="optional" order="8000.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentTable" xlink:to="DebtInstrumentAxis" xlink:title="presentation: DebtInstrumentTable to DebtInstrumentAxis" use="optional" order="1.0" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DebtInstrumentTable" xlink:to="DebtInstrumentLineItems" xlink:title="presentation: DebtInstrumentTable to DebtInstrumentLineItems" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails3">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementsAbstract" xlink:label="DeferredCompensationArrangementsAbstract" xlink:title="DeferredCompensationArrangementsAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="DeferredCompensationArrangementsAbstract" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to DeferredCompensationArrangementsAbstract" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" xlink:label="DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" xlink:title="DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredCompensationArrangementsAbstract" xlink:to="DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" xlink:title="presentation: DeferredCompensationArrangementsAbstract to DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DeferredCompensationArrangementDeferredSalesBonusLiabilityNoncurrent" xlink:label="DeferredCompensationArrangementDeferredSalesBonusLiabilityNoncurrent" xlink:title="DeferredCompensationArrangementDeferredSalesBonusLiabilityNoncurrent" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DeferredCompensationArrangementsAbstract" xlink:to="DeferredCompensationArrangementDeferredSalesBonusLiabilityNoncurrent" xlink:title="presentation: DeferredCompensationArrangementsAbstract to DeferredCompensationArrangementDeferredSalesBonusLiabilityNoncurrent" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ScheduleOfDefinedContributionPlansDisclosuresTable" xlink:label="ScheduleOfDefinedContributionPlansDisclosuresTable" xlink:title="ScheduleOfDefinedContributionPlansDisclosuresTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="ScheduleOfDefinedContributionPlansDisclosuresTable" xlink:title="presentation: CommitmentsAndContingenciesDisclosureAbstract to ScheduleOfDefinedContributionPlansDisclosuresTable" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlansDisclosureAxis" xlink:label="DefinedContributionPlansDisclosureAxis" xlink:title="DefinedContributionPlansDisclosureAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDefinedContributionPlansDisclosuresTable" xlink:to="DefinedContributionPlansDisclosureAxis" xlink:title="presentation: ScheduleOfDefinedContributionPlansDisclosuresTable to DefinedContributionPlansDisclosureAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlansDomain" xlink:label="DefinedContributionPlansDomain" xlink:title="DefinedContributionPlansDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansDisclosureAxis" xlink:to="DefinedContributionPlansDomain" xlink:title="presentation: DefinedContributionPlansDisclosureAxis to DefinedContributionPlansDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_UnitedStatesDefinedContributionPlansMember" xlink:label="UnitedStatesDefinedContributionPlansMember" xlink:title="UnitedStatesDefinedContributionPlansMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansDomain" xlink:to="UnitedStatesDefinedContributionPlansMember" xlink:title="presentation: DefinedContributionPlansDomain to UnitedStatesDefinedContributionPlansMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ForeignDefinedContributionPlansMember" xlink:label="ForeignDefinedContributionPlansMember" xlink:title="ForeignDefinedContributionPlansMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansDomain" xlink:to="ForeignDefinedContributionPlansMember" xlink:title="presentation: DefinedContributionPlansDomain to ForeignDefinedContributionPlansMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlansLineItems" xlink:label="DefinedContributionPlansLineItems" xlink:title="DefinedContributionPlansLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ScheduleOfDefinedContributionPlansDisclosuresTable" xlink:to="DefinedContributionPlansLineItems" xlink:title="presentation: ScheduleOfDefinedContributionPlansDisclosuresTable to DefinedContributionPlansLineItems" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" xlink:label="DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" xlink:title="DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansLineItems" xlink:to="DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" xlink:title="presentation: DefinedContributionPlansLineItems to DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" use="optional" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlanEmployerMatch" xlink:label="DefinedContributionPlanEmployerMatch" xlink:title="DefinedContributionPlanEmployerMatch" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansLineItems" xlink:to="DefinedContributionPlanEmployerMatch" xlink:title="presentation: DefinedContributionPlansLineItems to DefinedContributionPlanEmployerMatch" use="optional" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" xlink:label="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" xlink:title="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansLineItems" xlink:to="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" xlink:title="presentation: DefinedContributionPlansLineItems to DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" use="optional" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" xlink:label="DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" xlink:title="DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansLineItems" xlink:to="DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" xlink:title="presentation: DefinedContributionPlansLineItems to DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="DefinedContributionPlanCostRecognized" xlink:title="DefinedContributionPlanCostRecognized" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DefinedContributionPlansLineItems" xlink:to="DefinedContributionPlanCostRecognized" xlink:title="presentation: DefinedContributionPlansLineItems to DefinedContributionPlanCostRecognized" use="optional" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails4">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="SegmentReportingAbstract" xlink:title="SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="ConcentrationRiskTable" xlink:title="ConcentrationRiskTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="SegmentReportingAbstract" xlink:to="ConcentrationRiskTable" xlink:title="presentation: SegmentReportingAbstract to ConcentrationRiskTable" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="ConcentrationRiskByBenchmarkAxis" xlink:title="ConcentrationRiskByBenchmarkAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskTable" xlink:to="ConcentrationRiskByBenchmarkAxis" xlink:title="presentation: ConcentrationRiskTable to ConcentrationRiskByBenchmarkAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="ConcentrationRiskBenchmarkDomain" xlink:title="ConcentrationRiskBenchmarkDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskByBenchmarkAxis" xlink:to="ConcentrationRiskBenchmarkDomain" xlink:title="presentation: ConcentrationRiskByBenchmarkAxis to ConcentrationRiskBenchmarkDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueServicesNetMember" xlink:label="SalesRevenueServicesNetMember" xlink:title="SalesRevenueServicesNetMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskBenchmarkDomain" xlink:to="SalesRevenueServicesNetMember" xlink:title="presentation: ConcentrationRiskBenchmarkDomain to SalesRevenueServicesNetMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="ConcentrationRiskByTypeAxis" xlink:title="ConcentrationRiskByTypeAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskTable" xlink:to="ConcentrationRiskByTypeAxis" xlink:title="presentation: ConcentrationRiskTable to ConcentrationRiskByTypeAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="ConcentrationRiskTypeDomain" xlink:title="ConcentrationRiskTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskByTypeAxis" xlink:to="ConcentrationRiskTypeDomain" xlink:title="presentation: ConcentrationRiskByTypeAxis to ConcentrationRiskTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="CustomerConcentrationRiskMember" xlink:title="CustomerConcentrationRiskMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskTypeDomain" xlink:to="CustomerConcentrationRiskMember" xlink:title="presentation: ConcentrationRiskTypeDomain to CustomerConcentrationRiskMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="ConcentrationRiskLineItems" xlink:title="ConcentrationRiskLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskTable" xlink:to="ConcentrationRiskLineItems" xlink:title="presentation: ConcentrationRiskTable to ConcentrationRiskLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ThresholdForDisclosurePercentage" xlink:label="ThresholdForDisclosurePercentage" xlink:title="ThresholdForDisclosurePercentage" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ConcentrationRiskLineItems" xlink:to="ThresholdForDisclosurePercentage" xlink:title="presentation: ConcentrationRiskLineItems to ThresholdForDisclosurePercentage" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/StatementOfStockholdersEquity">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="StatementOfStockholdersEquityAbstract" xlink:title="StatementOfStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="StatementTable" xlink:title="presentation: StatementOfStockholdersEquityAbstract to StatementTable" use="optional" order="10.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementTable" xlink:to="StatementEquityComponentsAxis" xlink:title="presentation: StatementTable to StatementEquityComponentsAxis" order="10.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementEquityComponentsAxis" xlink:to="EquityComponentDomain" xlink:title="presentation: StatementEquityComponentsAxis to EquityComponentDomain" order="10.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="CommonStockMember" xlink:title="presentation: EquityComponentDomain to CommonStockMember" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="AdditionalPaidInCapitalMember" xlink:title="presentation: EquityComponentDomain to AdditionalPaidInCapitalMember" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="RetainedEarningsMember" xlink:title="RetainedEarningsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="RetainedEarningsMember" xlink:title="presentation: EquityComponentDomain to RetainedEarningsMember" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="AccumulatedOtherComprehensiveIncomeMember" xlink:title="AccumulatedOtherComprehensiveIncomeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="AccumulatedOtherComprehensiveIncomeMember" xlink:title="presentation: EquityComponentDomain to AccumulatedOtherComprehensiveIncomeMember" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentMember" xlink:label="ParentMember" xlink:title="ParentMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="ParentMember" xlink:title="presentation: EquityComponentDomain to ParentMember" order="50.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="NoncontrollingInterestMember" xlink:title="NoncontrollingInterestMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="NoncontrollingInterestMember" xlink:title="presentation: EquityComponentDomain to NoncontrollingInterestMember" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeMember" xlink:label="ComprehensiveIncomeMember" xlink:title="ComprehensiveIncomeMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="EquityComponentDomain" xlink:to="ComprehensiveIncomeMember" xlink:title="presentation: EquityComponentDomain to ComprehensiveIncomeMember" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementTable" xlink:to="StatementLineItems" xlink:title="presentation: StatementTable to StatementLineItems" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="IncreaseDecreaseInStockholdersEquityRollForward" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StatementLineItems" xlink:to="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="presentation: StatementLineItems to IncreaseDecreaseInStockholdersEquityRollForward" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="100.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="CommonStockSharesIssued" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to CommonStockSharesIssued" use="optional" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued_2" xlink:title="CommonStockSharesIssued" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="CommonStockSharesIssued_2" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to CommonStockSharesIssued" use="optional" order="110.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="ProfitLoss" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to ProfitLoss" use="optional" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsCash" xlink:label="DividendsCash" xlink:title="DividendsCash" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="DividendsCash" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to DividendsCash" use="optional" order="40.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:title="MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" use="optional" order="50.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" use="optional" order="60.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="StockIssuedDuringPeriodValueShareBasedCompensation" xlink:title="StockIssuedDuringPeriodValueShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockIssuedDuringPeriodValueShareBasedCompensation" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueShareBasedCompensation" use="optional" order="70.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:title="StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:title="presentation: StockIssuedDuringPeriodValueShareBasedCompensation to StockIssuedDuringPeriodSharesShareBasedCompensation" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" xlink:label="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" xlink:title="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" use="optional" order="80.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" xlink:label="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" xlink:title="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" xlink:to="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" xlink:title="presentation: ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue to ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" use="optional" order="10.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="OtherComprehensiveIncomeLossNetOfTax" xlink:title="OtherComprehensiveIncomeLossNetOfTax" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="OtherComprehensiveIncomeLossNetOfTax" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to OtherComprehensiveIncomeLossNetOfTax" use="optional" order="90.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:label="StockholdersEquityPeriodIncreaseDecrease" xlink:title="StockholdersEquityPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockholdersEquityPeriodIncreaseDecrease" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityPeriodIncreaseDecrease" use="optional" order="120.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:label="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:to="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="presentation: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" use="optional" order="10.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityOther" xlink:label="StockholdersEquityOther" xlink:title="StockholdersEquityOther" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockholdersEquityOther" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockholdersEquityOther" order="8010.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityOtherShares" xlink:label="StockholdersEquityOtherShares" xlink:title="StockholdersEquityOtherShares" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockholdersEquityOther" xlink:to="StockholdersEquityOtherShares" xlink:title="presentation: StockholdersEquityOther to StockholdersEquityOtherShares" order="8000.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="StockIssuedDuringPeriodValueNewIssues" xlink:title="StockIssuedDuringPeriodValueNewIssues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockIssuedDuringPeriodValueNewIssues" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueNewIssues" use="optional" order="8020.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockIssuedDuringPeriodValueNewIssues" xlink:to="StockIssuedDuringPeriodSharesNewIssues" xlink:title="presentation: StockIssuedDuringPeriodValueNewIssues to StockIssuedDuringPeriodSharesNewIssues" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="StockIssuedDuringPeriodValueAcquisitions" xlink:title="StockIssuedDuringPeriodValueAcquisitions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="StockIssuedDuringPeriodValueAcquisitions" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to StockIssuedDuringPeriodValueAcquisitions" use="optional" order="8030.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="StockIssuedDuringPeriodSharesAcquisitions" xlink:title="StockIssuedDuringPeriodSharesAcquisitions" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="StockIssuedDuringPeriodValueAcquisitions" xlink:to="StockIssuedDuringPeriodSharesAcquisitions" xlink:title="presentation: StockIssuedDuringPeriodValueAcquisitions to StockIssuedDuringPeriodSharesAcquisitions" use="optional" order="8000.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_InitialNoncontrollingInterestUponConsolidationOfJointVenture" xlink:label="InitialNoncontrollingInterestUponConsolidationOfJointVenture" xlink:title="InitialNoncontrollingInterestUponConsolidationOfJointVenture" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="InitialNoncontrollingInterestUponConsolidationOfJointVenture" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to InitialNoncontrollingInterestUponConsolidationOfJointVenture" use="optional" order="8040.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestIncreaseFromStockIssuance" xlink:label="MinorityInterestIncreaseFromStockIssuance" xlink:title="MinorityInterestIncreaseFromStockIssuance" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="MinorityInterestIncreaseFromStockIssuance" xlink:title="presentation: IncreaseDecreaseInStockholdersEquityRollForward to MinorityInterestIncreaseFromStockIssuance" use="optional" order="8050.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:type="extended" xlink:role="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="DerivativesFairValueLineItems" xlink:title="DerivativesFairValueLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="AssetsFairValueDisclosure" xlink:title="AssetsFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="AssetsFairValueDisclosure" xlink:title="presentation: DerivativesFairValueLineItems to AssetsFairValueDisclosure" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="LiabilitiesFairValueDisclosure" xlink:title="LiabilitiesFairValueDisclosure" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativesFairValueLineItems" xlink:to="LiabilitiesFairValueDisclosure" xlink:title="presentation: DerivativesFairValueLineItems to LiabilitiesFairValueDisclosure" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:title="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="DerivativeInstrumentRiskAxis" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to DerivativeInstrumentRiskAxis" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeInstrumentRiskAxis" xlink:to="DerivativeContractTypeDomain" xlink:title="presentation: DerivativeInstrumentRiskAxis to DerivativeContractTypeDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="CommodityContractMember" xlink:title="CommodityContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="CommodityContractMember" xlink:title="presentation: DerivativeContractTypeDomain to CommodityContractMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="ForeignExchangeContractMember" xlink:title="ForeignExchangeContractMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="DerivativeContractTypeDomain" xlink:to="ForeignExchangeContractMember" xlink:title="presentation: DerivativeContractTypeDomain to ForeignExchangeContractMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="BalanceSheetLocationAxis" xlink:title="BalanceSheetLocationAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="BalanceSheetLocationAxis" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to BalanceSheetLocationAxis" order="2.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="BalanceSheetLocationDomain" xlink:title="BalanceSheetLocationDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationAxis" xlink:to="BalanceSheetLocationDomain" xlink:title="presentation: BalanceSheetLocationAxis to BalanceSheetLocationDomain" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="OtherCurrentAssetsMember" xlink:title="OtherCurrentAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="OtherCurrentAssetsMember" xlink:title="presentation: BalanceSheetLocationDomain to OtherCurrentAssetsMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:label="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:title="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" xlink:title="presentation: BalanceSheetLocationDomain to IdentifiableIntangibleAndOtherNonCurrentAssetsMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:label="AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:title="AccruedExpensesAndOtherCurrentLiabilitiesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:title="presentation: BalanceSheetLocationDomain to AccruedExpensesAndOtherCurrentLiabilitiesMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="int-20130331.xsd#int_OtherLongTermLiabilitiesMember" xlink:label="OtherLongTermLiabilitiesMember" xlink:title="OtherLongTermLiabilitiesMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="BalanceSheetLocationDomain" xlink:to="OtherLongTermLiabilitiesMember" xlink:title="presentation: BalanceSheetLocationDomain to OtherLongTermLiabilitiesMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="DerivativesFairValueLineItems" xlink:title="presentation: FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable to DerivativesFairValueLineItems" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="FairValueDisclosuresAbstract" xlink:to="FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:title="presentation: FairValueDisclosuresAbstract to FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" order="1.0" />
  </link:presentationLink>
</link:linkbase>
