<?xml version="1.0" encoding="us-ascii"?>
<!-- Created by Merrill Corporation -->
<!-- Generated by Fujitsu Interstage XWand B0189 -->
<!--Generated by IRIS XBRL Generation Engine-->
<xsd:schema targetNamespace="http://www.wfscorp.com/20130930" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:int="http://www.wfscorp.com/20130930" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:us-roles="http://fasb.org/us-roles/2013-01-31" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:us-types="http://fasb.org/us-types/2013-01-31" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2013-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2012-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:country="http://xbrl.sec.gov/country/2013-01-31" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:dei="http://xbrl.sec.gov/dei/2013-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="int-20130930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="int-20130930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="int-20130930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="int-20130930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.wfscorp.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>0000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/BalanceSheet" id="BalanceSheet">
        <link:definition>0010 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/BalanceSheetParenthetical" id="BalanceSheetParenthetical">
        <link:definition>0015 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncome" id="StatementOfIncomeAndComprehensiveIncome">
        <link:definition>0020 - Statement - Consolidated Statements of Income and Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncomeCalc2" id="StatementOfIncomeAndComprehensiveIncomeCalc2">
        <link:definition>0021 - Statement - Consolidated Statements of Income and Comprehensive Income (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/StatementOfIncomeAndComprehensiveIncomeParenthetical" id="StatementOfIncomeAndComprehensiveIncomeParenthetical">
        <link:definition>0025 - Statement - Consolidated Statements of Income and Comprehensive Income (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/StatementOfStockholdersEquity" id="StatementOfStockholdersEquity">
        <link:definition>0030 - Statement - Consolidated Statements of Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/StatementOfStockholdersEquityParenthetical" id="StatementOfStockholdersEquityParenthetical">
        <link:definition>0035 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/CashFlows" id="CashFlows">
        <link:definition>0040 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/CashFlowsParenthetical" id="CashFlowsParenthetical">
        <link:definition>0045 - Statement - Consolidated Statements of Cash Flows (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSignificantAccountingPolicies" id="DisclosureSignificantAccountingPolicies">
        <link:definition>1010 - Disclosure - Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDerivatives" id="DisclosureDerivatives">
        <link:definition>1020 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipment" id="DisclosurePropertyAndEquipment">
        <link:definition>1030 - Disclosure - Property and Equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquity" id="DisclosureShareholdersEquity">
        <link:definition>1040 - Disclosure - Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDebt" id="DisclosureDebt">
        <link:definition>1050 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>1060 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShare" id="DisclosureEarningsPerCommonShare">
        <link:definition>1070 - Disclosure - Earnings per Common Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>1080 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurements" id="DisclosureFairValueMeasurements">
        <link:definition>1090 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegments" id="DisclosureBusinessSegments">
        <link:definition>1100 - Disclosure - Business Segments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDerivativesTables" id="DisclosureDerivativesTables">
        <link:definition>3020 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentTables" id="DisclosurePropertyAndEquipmentTables">
        <link:definition>3030 - Disclosure - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityTables" id="DisclosureShareholdersEquityTables">
        <link:definition>3040 - Disclosure - Shareholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDebtTables" id="DisclosureDebtTables">
        <link:definition>3050 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesTables" id="DisclosureIncomeTaxesTables">
        <link:definition>3060 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareTables" id="DisclosureEarningsPerCommonShareTables">
        <link:definition>3070 - Disclosure - Earnings per Common Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsTables" id="DisclosureFairValueMeasurementsTables">
        <link:definition>3090 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsTables" id="DisclosureBusinessSegmentsTables">
        <link:definition>3100 - Disclosure - Business Segments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSignificantAccountingPoliciesDetails" id="DisclosureSignificantAccountingPoliciesDetails">
        <link:definition>4010 - Disclosure - Significant Accounting Policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails" id="DisclosureDerivativesDetails">
        <link:definition>4020 - Disclosure - Derivatives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails2" id="DisclosureDerivativesDetails2">
        <link:definition>4021 - Disclosure - Derivatives (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDerivativesDetails3" id="DisclosureDerivativesDetails3">
        <link:definition>4022 - Disclosure - Derivatives (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosurePropertyAndEquipmentDetails" id="DisclosurePropertyAndEquipmentDetails">
        <link:definition>4030 - Disclosure - Property and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails" id="DisclosureShareholdersEquityDetails">
        <link:definition>4040 - Disclosure - Shareholders' Equity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDebtDetails" id="DisclosureDebtDetails">
        <link:definition>4050 - Disclosure - Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails" id="DisclosureIncomeTaxesDetails">
        <link:definition>4060 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureEarningsPerCommonShareDetails" id="DisclosureEarningsPerCommonShareDetails">
        <link:definition>4070 - Disclosure - Earnings per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails" id="DisclosureCommitmentsAndContingenciesDetails">
        <link:definition>4080 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails2" id="DisclosureCommitmentsAndContingenciesDetails2">
        <link:definition>4081 - Disclosure - Commitments and Contingencies (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails" id="DisclosureFairValueMeasurementsDetails">
        <link:definition>4090 - Disclosure - Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails2" id="DisclosureFairValueMeasurementsDetails2">
        <link:definition>4091 - Disclosure - Fair Value Measurements (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureFairValueMeasurementsDetails3" id="DisclosureFairValueMeasurementsDetails3">
        <link:definition>4092 - Disclosure - Fair Value Measurements (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails" id="DisclosureBusinessSegmentsDetails">
        <link:definition>4100 - Disclosure - Business Segments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsDetails2" id="DisclosureBusinessSegmentsDetails2">
        <link:definition>4101 - Disclosure - Business Segments (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails5" id="DisclosureCommitmentsAndContingenciesDetails5">
        <link:definition>8000 - Disclosure - Commitments and Contingencies (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails2" id="DisclosureIncomeTaxesDetails2">
        <link:definition>8010 - Disclosure - Income Taxes (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureIncomeTaxesDetails3" id="DisclosureIncomeTaxesDetails3">
        <link:definition>8020 - Disclosure - Income Taxes (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureDebtDetails2" id="DisclosureDebtDetails2">
        <link:definition>8030 - Disclosure - Debt (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossDetails" id="DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossDetails">
        <link:definition>8040 - Disclosure - Other Comprehensive Income and Accumulated Other Comprehensive Loss (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossTables" id="DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLossTables">
        <link:definition>8050 - Disclosure - Other Comprehensive Income and Accumulated Other Comprehensive Loss (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/InterestExpenseAndOtherFinancingCostsNet" id="InterestExpenseAndOtherFinancingCostsNet">
        <link:definition>8060 - Disclosure - Interest Expense and Other Financing Costs, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails4" id="DisclosureCommitmentsAndContingenciesDetails4">
        <link:definition>8070 - Disclosure - Commitments and Contingencies (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesDetails3" id="DisclosureCommitmentsAndContingenciesDetails3">
        <link:definition>8080 - Disclosure - Commitments and Contingencies (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails3" id="DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails3">
        <link:definition>8090 - Disclosure - Nature of Business, Acquisitions, Significant Accounting Policies and Recent Accounting Pronouncements (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureCommitmentsAndContingenciesTables" id="DisclosureCommitmentsAndContingenciesTables">
        <link:definition>8100 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails3" id="DisclosureBusinessSegmentsGeographicInformationAndMajorCustomersDetails3">
        <link:definition>8110 - Disclosure - Business Segments, Geographic Information, and Major Customers (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncements" id="DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncements">
        <link:definition>8120 - Disclosure - Nature of Business, Acquisitions, Significant Accounting Policies and Recent Accounting Pronouncements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies" id="DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies">
        <link:definition>8130 - Disclosure - Nature of Business, Acquisitions, Significant Accounting Policies and Recent Accounting Pronouncements (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTables" id="DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsTables">
        <link:definition>8140 - Disclosure - Nature of Business, Acquisitions, Significant Accounting Policies and Recent Accounting Pronouncements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails" id="DisclosureNatureOfBusinessAcquisitionsSignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails">
        <link:definition>8150 - Disclosure - Nature of Business, Acquisitions, Significant Accounting Policies and Recent Accounting Pronouncements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivable" id="DisclosureAccountsReceivable">
        <link:definition>8160 - Disclosure - Accounts Receivable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivableTables" id="DisclosureAccountsReceivableTables">
        <link:definition>8170 - Disclosure - Accounts Receivable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureAccountsReceivableDetails" id="DisclosureAccountsReceivableDetails">
        <link:definition>8180 - Disclosure - Accounts Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCosts" id="DisclosureInterestIncomeExpenseAndOtherFinancingCosts">
        <link:definition>8190 - Disclosure - Interest Income, Expense and Other Financing Costs</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsTables" id="DisclosureInterestIncomeExpenseAndOtherFinancingCostsTables">
        <link:definition>8200 - Disclosure - Interest Income, Expense and Other Financing Costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureInterestIncomeExpenseAndOtherFinancingCostsDetails" id="DisclosureInterestIncomeExpenseAndOtherFinancingCostsDetails">
        <link:definition>8210 - Disclosure - Interest Income, Expense and Other Financing Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails" id="DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails">
        <link:definition>8220 - Disclosure - Goodwill and Identifiable Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2" id="DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2">
        <link:definition>8230 - Disclosure - Goodwill and Identifiable Intangible Assets (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2Calc2" id="DisclosureGoodwillAndIdentifiableIntangibleAssetsDetails2Calc2">
        <link:definition>8240 - Disclosure - Goodwill and Identifiable Intangible Assets (Details 2) (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssets" id="DisclosureGoodwillAndIdentifiableIntangibleAssets">
        <link:definition>8250 - Disclosure - Goodwill and Identifiable Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureGoodwillAndIdentifiableIntangibleAssetsTables" id="DisclosureGoodwillAndIdentifiableIntangibleAssetsTables">
        <link:definition>8260 - Disclosure - Goodwill and Identifiable Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>8270 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSubsequentEventsDetails" id="DisclosureSubsequentEventsDetails">
        <link:definition>8280 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformation" id="DisclosureSummaryQuarterlyInformation">
        <link:definition>8290 - Disclosure - Summary Quarterly Information (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationTables" id="DisclosureSummaryQuarterlyInformationTables">
        <link:definition>8300 - Disclosure - Summary Quarterly Information (Unaudited) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureSummaryQuarterlyInformationDetails" id="DisclosureSummaryQuarterlyInformationDetails">
        <link:definition>8310 - Disclosure - Summary Quarterly Information (Unaudited) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails2" id="DisclosureShareholdersEquityDetails2">
        <link:definition>8320 - Disclosure - Shareholders' Equity (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails3" id="DisclosureShareholdersEquityDetails3">
        <link:definition>8330 - Disclosure - Shareholders' Equity (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails4" id="DisclosureShareholdersEquityDetails4">
        <link:definition>8340 - Disclosure - Shareholders' Equity (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureShareholdersEquityDetails5" id="DisclosureShareholdersEquityDetails5">
        <link:definition>8350 - Disclosure - Shareholders' Equity (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wfscorp.com/role/DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLoss" id="DisclosureOtherComprehensiveIncomeAndAccumulatedOtherComprehensiveLoss">
        <link:definition>8360 - Disclosure - Other Comprehensive Income and Accumulated Other Comprehensive Loss</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://fasb.org/us-gaap/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-types-2013-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-roles-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="int_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" id="int_DeferredCompensationLiabilityClassifiedAndOtherLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="InterestIncomeExpenseAndOtherFinancialCostsNet" id="int_InterestIncomeExpenseAndOtherFinancialCostsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InitialNoncontrollingInterestUponConsolidationOfJointVenture" id="int_InitialNoncontrollingInterestUponConsolidationOfJointVenture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" id="int_ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" id="int_IncreaseDecreaseInAccruedExpensesAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" id="int_IncreaseDecreaseInIncomeTaxAndOtherLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" id="int_PaymentsForRepurchaseOfCommonStockToSatisfyEmployeeTaxWithholdingObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentOfAssumedEmployeeBenefits" id="int_PaymentOfAssumedEmployeeBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ExtinguishmentOfReceivablesRelatedToAcquisition" id="int_ExtinguishmentOfReceivablesRelatedToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ExtinguishmentOfReceivablesRelatedToFundingArrangement" id="int_ExtinguishmentOfReceivablesRelatedToFundingArrangement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ExtinguishmentOfLiabilityPolicyTextBlock" id="int_ExtinguishmentOfLiabilityPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" id="int_VendorAndCustomerRebatesAndBrandingAllowancesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" id="int_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" id="int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" id="int_ReconciliationOfRevenueGrossProfitAndIncomeFromOperationsBySegmentToConsolidatedTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" id="int_ReconciliationOfRevenueGrossProfitIncomeFromOperationsDepreciationAndAmortizationAndCapitalExpendituresBySegmentToConsolidatedTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExtinguishmentOfLiabilityAbstract" id="int_ExtinguishmentOfLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerecognizedVendorLiabilityAccrualsAmount" id="int_DerecognizedVendorLiabilityAccrualsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" id="int_PercentageRateAddedToFloatingMarketRateToGetDiscountMargin" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DerivativeSettlementPeriodAxis" id="int_DerivativeSettlementPeriodAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeSettlementPeriodDomain" id="int_DerivativeSettlementPeriodDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettlementPeriod2013Member" id="int_SettlementPeriod2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettlementPeriod2014Member" id="int_SettlementPeriod2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccruedExpensesAndOtherCurrentLiabilitiesMember" id="int_AccruedExpensesAndOtherCurrentLiabilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContract1Member" id="int_CommodityContract1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignExchangeContract2Member" id="int_ForeignExchangeContract2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HedgedItemsMember" id="int_HedgedItemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HedgedItemsFirmCommitmentMember" id="int_HedgedItemsFirmCommitmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HedgedItemsInventoriesMember" id="int_HedgedItemsInventoriesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoncurrentIncomeTaxExpenseBenefit" id="int_NoncurrentIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EstimateOfFairValueBeforeNettingMember" id="int_EstimateOfFairValueBeforeNettingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetTangibleAssets" id="int_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetTangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ContingentConsiderationEarnOutMember" id="int_ContingentConsiderationEarnOutMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" id="int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" id="int_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AviationSegmentMember" id="int_AviationSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarineSegmentMember" id="int_MarineSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LandSegmentMember" id="int_LandSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" id="int_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AsiaPacificRegionsMember" id="int_AsiaPacificRegionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SuretyBondsAbstract" id="int_SuretyBondsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SuretyBondsOutstanding" id="int_SuretyBondsOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SalesAndPurchaseCommitmentsAbstract" id="int_SalesAndPurchaseCommitmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SalesCommitmentsUnderDerivativeProgramAmount" id="int_SalesCommitmentsUnderDerivativeProgramAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PurchaseCommitmentsUnderDerivativeProgramAmount" id="int_PurchaseCommitmentsUnderDerivativeProgramAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SalesAndPurchaseCommitmentsPeriod" id="int_SalesAndPurchaseCommitmentsPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementsWithExecutiveOfficersAndKeyEmployeesMember" id="int_AgreementsWithExecutiveOfficersAndKeyEmployeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAnnualBaseSalaryUnderAgreement" id="int_LossContingencyAnnualBaseSalaryUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAgreementExpirationTerm" id="int_LossContingencyAgreementExpirationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" id="int_LossContingencyAgreementExpirationTermExtensionUnderSpecifiedCondition" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" id="int_LossContingencyAgreementMinimumPeriodPriorToExpirationTermForServingSpecifiedNoticeToPreventExtensionOfAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyEquityBasedAwardsGrantDateValueTargeted" id="int_LossContingencyEquityBasedAwardsGrantDateValueTargeted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyEquityBasedAwardsToBeGrantedPercentage" id="int_LossContingencyEquityBasedAwardsToBeGrantedPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" id="int_LossContingencySeverancePaymentForEmploymentTerminationFollowingChangeOfControl" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" id="int_LossContingencySeverancePaymentForEmploymentTerminationFollowingOtherScenarios" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" id="int_LossContingencyPeriodForSeverancePaymentAfterTerminationOfExecutivesEmployment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" id="int_LossContingencyEquityBasedAwardsAssumedOrSubstitutedVestingPeriodFollowingTerminationOfExecutivesEmployment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployeesYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" id="int_FutureMinimumCommitmentsUnderAgreementsWithExecutiveOfficersAndKeyEmployees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" id="int_CashIncentiveAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEarnedByExecutiveOnAchievementOfPerformanceTarget" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" id="int_CashIncentiveAwardsAndShareBasedAwardsEarnedByExecutiveOnAchievementOfPerformanceTarget" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockUnitsServiceBasedMember" id="int_RestrictedStockUnitsServiceBasedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockUnitsPerformanceBasedMember" id="int_RestrictedStockUnitsPerformanceBasedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NamedExecutiveOfficerAnnualIncentiveAwardsMember" id="int_NamedExecutiveOfficerAnnualIncentiveAwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Omnibus2006PlanMember" id="int_Omnibus2006PlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDefinedContributionPlansDisclosuresTable" id="int_ScheduleOfDefinedContributionPlansDisclosuresTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesDefinedContributionPlansMember" id="int_UnitedStatesDefinedContributionPlansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignDefinedContributionPlansMember" id="int_ForeignDefinedContributionPlansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlansLineItems" id="int_DefinedContributionPlansLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" id="int_DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatch" id="int_DefinedContributionPlanEmployerMatch" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" id="int_DefinedContributionPlanEmployerMatchEmployeeContributionLevelOne" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" id="int_DefinedContributionPlanEmployerContributionLimitPercentageOfCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" id="int_ScheduleOfFutureMinimumCommitmentsUnderAgreementWithExecutiveOfficersAndKeyEmployeesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" id="int_ScheduleOfCashAndShareBasedAwardsEarnedByNamedExecutiveOfficersTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDebtInstrumentsTable" id="int_ScheduleOfDebtInstrumentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LettersOfCreditAndBankersAcceptanceMember" id="int_LettersOfCreditAndBankersAcceptanceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherUncommittedCreditLinesMember" id="int_OtherUncommittedCreditLinesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateBaseMember" id="int_DebtInstrumentVariableRateBaseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateEurodollarMember" id="int_DebtInstrumentVariableRateEurodollarMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" id="int_LineOfCreditFacilityMaximumAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SupplierAgreementsMember" id="int_SupplierAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" id="int_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrademarksAndTradeNamesRightsMember" id="int_TrademarksAndTradeNamesRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" id="int_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsCustomerDeposits" id="int_DeferredTaxAssetsCustomerDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" id="int_EstimatedWindfallTaxBenefitsRelatedToEmployeeCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="IncomeTaxConcessionImpactOnForeignTaxes" id="int_IncomeTaxConcessionImpactOnForeignTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxConcessionImpactOnDilutedEarningsPerShare" id="int_IncomeTaxConcessionImpactOnDilutedEarningsPerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" id="int_UnrecognizedTaxLiabilitiesPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxAssetsPeriodIncreaseDecrease" id="int_UnrecognizedTaxAssetsPeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" id="int_UnrecognizedTaxLiabilitiesRelatedToForeignCurrencyTranslationExpensePeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxLiabilities" id="int_UnrecognizedTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnrecognizedTaxAssets" id="int_UnrecognizedTaxAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="Acquisitions2011Member" id="int_Acquisitions2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Acquisitions2010Member" id="int_Acquisitions2010Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" id="int_NatureOfBusinessAcquisitionsAndSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OfficeEquipmentFurnitureAndFixturesMember" id="int_OfficeEquipmentFurnitureAndFixturesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComputerEquipmentAndSoftwareCostsMember" id="int_ComputerEquipmentAndSoftwareCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SoftwareDevelopmentInProgressMember" id="int_SoftwareDevelopmentInProgressMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRestrictionMaximumCashDividendBaseAmount" id="int_CreditFacilityRestrictionMaximumCashDividendBaseAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" id="int_CreditFacilityRestrictionCashDividendExpressedAsPercentageOfNetProceedsOfEquityIssuancesAfterClosingOfCreditFacility" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" id="int_CreditFacilityRestrictionCashDividendExpressedAsPercentageOfConsolidatedNetIncome" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IssuanceOfCommonStockAbstract" id="int_IssuanceOfCommonStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValuePerShareNewIssues" id="int_StockIssuedDuringPeriodValuePerShareNewIssues" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherExpenseIncurredForIssuanceOfCommonStock" id="int_OtherExpenseIncurredForIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StockRepurchaseProgramsAbstract" id="int_StockRepurchaseProgramsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonemployeeDirectorMember" id="int_NonemployeeDirectorMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockDeferralPlanMember" id="int_StockDeferralPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEachStockUnitEquivalentToNumberOfSharesOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" id="int_FairMarketValueOfNumberOfSharesOfCommonStockUsedInCalculationOfStockUnitsPaidAsDividends" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodAggregateIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodAggregateIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" id="int_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostToBeRecognizedInYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" id="int_ScheduleOfShareBasedCompensationAwardActivityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" id="int_ScheduleOfUnrecognizedCompensationCostExpectedAmortizationExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AcquisitionsAndSignificantAccountingPoliciesAbstract" id="int_AcquisitionsAndSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HillerMember" id="int_HillerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" id="int_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceAdjustmentCashPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" id="int_BusinessAcquisitionPurchasePriceAllocationCurrentAndNoncurrentAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" id="int_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" id="int_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedExpenseAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AcquiredPromissoryNotesMember" id="int_AcquiredPromissoryNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" id="int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" id="int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" id="int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" id="int_DebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="WFSSVsCathayPacificAirwaysLimitedMember" id="int_WFSSVsCathayPacificAirwaysLimitedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyNumberOfSubsidiaryDefendants" id="int_LossContingencyNumberOfSubsidiaryDefendants" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" id="int_RepaymentsOfSeniorRevolvingCreditFacilityAndSeniorTermLoanCreditFacilityLoanCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="Acquisitions2012Member" id="int_Acquisitions2012Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CarterEnergyCorporationMember" id="int_CarterEnergyCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" id="int_BusinessAcquisitionMinimumNumberOfRetailOperatorsToWhomGasolineAndDieselFuelDistributed" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" id="int_BusinessAcquisitionMinimumNumberOfTruckStopsForGlobalFuelProcurementAndCommercialPaymentPrograms" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" id="int_BusinessAcquisitionCostOfAcquiredEntityAmountDueFromToAcquiree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SettlementPeriod2015Member" id="int_SettlementPeriod2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrademarksTradeNamesRightsMember" id="int_TrademarksTradeNamesRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KasbarAgreementMember" id="int_KasbarAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StebbinsAgreementMember" id="int_StebbinsAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" id="int_ShareRepurchasesRelatedToEmployeeStockBasedCompensationAwardsValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" id="int_ShareBasedCompensationArrangementsByShareBasedPaymentAwardExpirationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MultiServiceCorporationMember" id="int_MultiServiceCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityAndTermLoansMember" id="int_CreditFacilityAndTermLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" id="int_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" id="int_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceNetOfCashAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" id="int_ScheduleOfCapitalizedComputerSoftwareCostsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" id="int_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" id="int_CashAndShareBasedAwardsEarnedByNamedExecutiveOfficersAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeFairValueWeightedAveragePerUnit" id="int_DerivativeFairValueWeightedAveragePerUnit" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DerivativeFixedFairValueWeightedAveragePerUnit" id="int_DerivativeFixedFairValueWeightedAveragePerUnit" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" id="int_IntangibleAssetsNetExcludingGoodwillAndOtherAssetsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IdentifiableIntangibleAndOtherNonCurrentAssetsMember" id="int_IdentifiableIntangibleAndOtherNonCurrentAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" id="int_AllocatedShareBasedCompensationExpensePreviouslyRecordedInAccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedOtherComprehensiveIncomeLossRollForward" id="int_AccumulatedOtherComprehensiveIncomeLossRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="STXPanOceanCoLtdMember" id="int_STXPanOceanCoLtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="STXCorporationMember" id="int_STXCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerailmentOfFreightTrainMember" id="int_DerailmentOfFreightTrainMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DPTSMarketingLLCMember" id="int_DPTSMarketingLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DakotaPetroleumTransportSolutionsLLCMember" id="int_DakotaPetroleumTransportSolutionsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTankerCars" id="int_NumberOfTankerCars" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OwnershipInterestInJointVenture" id="int_OwnershipInterestInJointVenture" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CrudeOilVolume" id="int_CrudeOilVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" id="int_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationInterLevelTransfersNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Acquisitions2013Member" id="int_Acquisitions2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherDebtMember" id="int_OtherDebtMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfComplaintsFiled" id="int_NumberOfComplaintsFiled" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashFlowStatementActivityClassifationAdjustmentPayment" id="int_CashFlowStatementActivityClassifationAdjustmentPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
</xsd:schema>
