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Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Schedule of potential collateral requirements derivatives credit-risk contingency features Schedule of Potential Collateral Requirements for Derivative Liabilities with Credit-Risk-Contingent Features [Table Text Block] Schedule of Potential Collateral Requirements for Derivative Liabilities with Credit-Risk-Contingent Features Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount Schedule of amount of computer software costs, including capitalized internally developed software costs Schedule of Capitalized Computer Software Costs [Table Text Block] Tabular disclosure of the amount of computer software costs, including capitalized internally developed software costs. 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long-term Finance Lease, Liability, Noncurrent All Adjustments to Compensation All Adjustments to Compensation [Member] Net Amounts Presented Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Amendment Flag Amendment Flag Compensation and related costs Salary and Wage, Excluding Cost of Good and Service Sold Common stock authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Year Ended December 31, Maturities of Long-Term Debt and Capital Lease Obligations [Abstract] Identifiable intangible assets not subject to amortization (3) Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived Weighted average discount rate of operating leases Operating Lease, Weighted Average Discount Rate, Percent Business Combination, Consideration Transferred, Liabilities Incurred, Undiscounted Business Combination, Consideration Transferred, Liabilities Incurred, Undiscounted Business Combination, Consideration Transferred, Liabilities Incurred, Undiscounted Revenue since acquisition Business Combination, Acquiree's Revenue since Acquisition Date, Actual Basic weighted average common shares (in shares) Weighted average common shares for basic earnings per common share (1) Weighted Average Number of Shares Outstanding, Basic Expected reduction in income tax expense if uncertain tax positions are settled by the taxing authorities in the entity's favor Unrecognized Tax Benefits that Would Impact Effective Tax Rate Summary of Basic and Diluted Earnings per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Share Repurchase Program [Table] Share Repurchase Program [Table] SSAR Awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Segment Reporting [Abstract] Segment Reporting [Abstract] Year Ended December 31, Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Cost of revenue Cost of revenue Cost of Revenue Non-operating income (expenses), net: Nonoperating Income (Expense) [Abstract] Sale of Avinode business Effective Income Tax Rate Reconciliation, Disposition of Business, Amount - Avinode Effective Income Tax Rate Reconciliation, Disposition of Business, Amount - Avinode Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Write-off of uncollectible receivables Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Writeoff Cash dividends declared Cash dividends declared Dividends, Cash Interest related to unrecognized tax benefits, recorded as expense Unrecognized Tax Benefits, Interest on Income Taxes Expense Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Information pertaining to stock based awards Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Income Tax Discrete Adjustments - Gain on Sale of Avinode Business Income Tax Discrete Adjustments - Gain on Sale of Avinode Business [Member] Income Tax Discrete Adjustments - Gain on Sale of Avinode Business Accounts receivable, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Gross Amounts Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Sale of warrants Proceeds from Issuance of Warrants Total liabilities Liabilities Currency [Axis] Currency [Axis] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) [Member] 2030 Finance Lease, Liability, to be Paid, Year Five Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Gross increases – tax positions in current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Trademarks and Trade Names [Member] Trademark / trade name rights Trademarks and Trade Names [Member] Non-taxable interest income & non-deductible interest expense Effective Income Tax Rate Reconciliation, Non-Taxable Interest Income & Non-Deductible Interest Expense, Amount Effective Income Tax Rate Reconciliation, Non-Taxable Interest Income & Non-Deductible Interest Expense, Amount Offsetting Assets [Line Items] Offsetting Assets [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Variable Rate [Axis] Variable Rate [Axis] Schedule of RSUs Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Gross Deferred Tax Liabilities: Components of Deferred Tax Liabilities [Abstract] Debt Instrument, Convertible, Threshold Trading Days Debt Instrument, Convertible, Threshold Trading Days Trip Support Services Trip Support Services [Member] Trip Support Services Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Discontinued Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Collateral posted and held by our counterparties Collateral Already Posted, Aggregate Fair Value