Treasury Stock Treasury Stock, Common [Member] Treasury stock, shares Treasury Stock, Common, Shares Derivative, term of contract Derivative, Term of Contract Convertible Senior Notes ("Convertible Notes") [Member] This member stands for the information pertaining to convertible senior notes. Convertible Senior Notes [Member] The amount of settlement assets recognized as of the acquisition date. The amount of settlement assets recognized as of the acquisition date Settlement assets Other obligations Stock repurchased Other tax payables Taxes Payable, Current Conversion Price Incremental shares from assumed conversion of convertible debt Net income for diluted earnings per share calculation Add: Interest expense from assumed conversion of convertible notes, net of tax Net income (loss) attributable to Euronet Worldwide, Inc. Computation of diluted earnings: Net income (loss) for diluted earnings per share calculation Debt, Current Interest on Convertible Debt, Net of Tax Earnings Per Share, Diluted [Abstract] Estimated fair value percentage Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount BRAZIL CANADA NETHERLANDS Convertible debt Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Number of Shares, Outstanding balance Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from foreign exchange. Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease accounting. The entire disclosure of settlement assets and obligations. Number of Shares, Expired Total intangible assets, net, including goodwill Intangible Assets, Net (Including Goodwill) Total Intangible Assets, Balance Total Intangible Assets, Balance Derivative Instruments and Hedging Activities Line of Credit Facility, Expiration Date The carrying amount as of the balance sheet date for "uncommitted credit agreements" related borrowings owed by the reporting entity. Uncommitted Loan Agreement [Member] Uncommitted Credit Agreement [Member] Treasury stock, at cost, shares issued 12,631,125 and 10,631,961 Common Stock, Value, Issued Acquired intangible assets, net of accumulated amortization of $— and $185,054 Tabular disclosure of accrued expenses and other current liabilities. Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Total revenues This member stands for the information pertaining to "expiring in five years". This member stands for the information pertaining to "expiring in four years". This member stands for the information pertaining to "expiring in three years". This member stands for the information pertaining to "expiring in two years". Not Subject to Expiration [Member] Expiring in More than Five Years [Member] Expiring in One Year [Member] Organization Basic weighted average shares outstanding Property and Equipment, net Net income Number of Point of Sale Terminals Acquisition Number of Merchants at Point of Sale Terminals Acquisition Piraeus Bank Merchant Acquiring [Member] Piraeus Bank Merchant Acquiring [Member] Business Combination, Contingent Consideration, Liability Contingent consideration Finite-Lived Intangible Assets, Amortization Method Amortization method Contract-Based Intangible Assets [Member] Contract related intangible asset [Member] Schedule of future minimum lease payments Operating lease expense Operating Lease, Cost Less: imputed interest Total lease payments Stock Plans Foreign currencies swingline loans [Member] This member stands for the information pertaining to "foreign currencies swingline loans". Swingline Loans Foreign Currencies [Member] Leasehold improvements [Member] Leasehold Improvements [Member] Finite-Lived Intangible Assets, Accumulated Amortization Total Deferred Income Tax Liabilities, Net Deferred income taxes Deferred Tax Liabilities, Unrealized Currency Transaction Gains Foreign exchange Deferred Tax Assets Foreign Exchange Foreign exchange Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Options vesting period Operating Lease, Right-of-Use Asset Senior notes (in USD) Schedule of settlement assets and liabilities Schedule of Settlement Assets and Liabilities [Table Text Block] Settlement Assets And Liabilities Disclosure [Text Block] Settlement Assets and Obligations Settlement assets: Settlement Assets [Abstract] Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock Common Stock [Member] Supplemental Non-cash Information Lease Liabilities ROU Assets [Abstract] Schedule of accrued expenses and other current liabilities Entity Information [Line Items] Entity Information [Line Items] Income Tax Expense, Income Tax Reconciliation [Abstract] Effective Income Tax Rate Reconciliation, Amount [Abstract] Tax Effect Of: Expected lives Entity File Number Entity File Number Entity Shell Company Entity Shell Company Document Annual Report Document Annual Report Entity Small Business Entity Small Business Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol City Area Code City Area Code Local Phone Number Local Phone Number Security Exchange Name Security Exchange Name Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Registrant Name Cash Collateral Received Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Tax Identification Number Entity Tax Identification Number Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Emerging Growth Company Entity Emerging Growth Company Document Transition Report Document Transition Report Entity Address, Country Entity Address, Country Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Restricted cash included within settlement assets The amount of restricted cash included within settlement assets. SettlementAssetsRestrictedCash ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total Restricted Cash Restricted cash Restricted Cash and Cash Equivalents at Carrying Value The carrying amount of account receivables classified as current settlement assets. Settlement Assets Account Receivable Current Settlement Assets Account Receivable The amount of prepaid expenses and other current assets classified as current settlement assets. Settlement Assets Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets Total settlement assets Settlement assets Trade accounts receivable, net of credit loss allowance of $4,469 and $5,926 Trade accounts receivable, net of credit loss allowance of $4,469 and $5,926 Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Operating right of use lease assets Right of use assets Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Table] Property and Equipment, net Property and equipment, net of accumulated depreciation of $656.9 and $576.4 Goodwill, Balance Goodwill Other assets, net of accumulated amortization of $62,349 and $55,710 Other assets, net of accumulated amortization of $76.3 and $68.0 Total Assets Total assets Assets Gross Amounts of Recognized Liabilities Derivative Liability, Net Amounts Trade accounts receivable, net of credit loss allowance of $3.6 and $4.0 Net Amounts Presented in the Consolidated Balance Sheet LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Trade accounts payable Accounts Payable, Trade, Current Cash and cash equivalents and restricted cash at end of period Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities The amount of accrued expenses and other current liabilities. Operating Lease, Liability, Current Current portion of operating lease obligations Short-term debt obligations and current maturities of long-term debt obligations Short-term debt obligations and current maturities of long-term debt obligations Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Long-term debt obligations Debt obligations, net of current portion Long-term Debt, Excluding Current Maturities Operating Lease, Liability, Noncurrent Operating lease obligations, net of current portion Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Equity: Euronet Worldwide, Inc. stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred Stock, $0.02 par value. 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued Common Stock, $0.02 par value. 90,000,000 shares authorized; shares issued 63,779,009 and 63,366,010 Common Stock, $0.02 par value. 90,000,000 shares authorized; shares issued 64,376,923 and 64,091,387 Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost, shares issued 18,598,961 and 14,269,645 Retained Earnings (Accumulated Deficit) Retained earnings Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total Euronet Worldwide, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Shares, Outstanding Balance, shares Total equity Balance Balance Total liabilities and equity Liabilities and Equity Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts receivable Ending balance-credit losses Beginning balance-credit losses Property and equipment, accumulated depreciation Less accumulated depreciation Accumulated amortization Acquired intangible assets, accumulated amortization Accumulated Amortization Accumulated amortization of other assets Accumulated amortization of other assets The amount of accumulated amortization of other assets. Preferred stock, par value per share Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value per share Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares, issued Common Stock, Shares, Issued Income Statement [Abstract] Revenues Revenues Salaries and benefits Labor and Related Expense Selling, General and Administrative Expense Selling, general and administrative Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Operating (loss) income Operating income Operating income (loss) (quarterly) Operating Income (Loss) Nonoperating Income (Expense) [Abstract] Other income (expense): Interest income Investment Income, Interest Interest expense Interest Expense Income from unconsolidated affiliates Loss from unconsolidated affiliates Loss from unconsolidated affiliates Income (Loss) from Equity Method Investments Other gains, net Other (losses) gains, net Other Nonoperating Income (Expense) Foreign currency exchange gain (loss), net Foreign Currency Transaction Gain (Loss), before Tax Nonoperating Income (Expense) Other expense, net Total other expense, net Total income tax expense Total income tax expense Income tax expense Net income (loss) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Euronet Worldwide, Inc. (quarterly) Net income attributable to Euronet Worldwide, Inc. stockholders Earnings Per Share, Basic Earnings (loss) per share, basic (quarterly) Basic Earnings Per Share, Diluted Earnings (loss) per share, diluted (quarterly) Diluted Weighted Average Number of Shares Outstanding, Basic Basic Diluted weighted average shares outstanding Diluted Weighted Average Number of Shares Outstanding, Diluted Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax [Abstract] Comprehensive (loss) income Comprehensive income attributable to Euronet Worldwide, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Retained Earnings AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Noncontrolling Interests Noncontrolling Interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock issued under employee stock plans, shares Repurchase of shares, shares Treasury Stock, Shares, Acquired Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock issued under employee stock plans Other comprehensive income (loss) Other Comprehensive Loss Treasury Stock, Value, Acquired, Cost Method Repurchase of shares Repurchase of shares Statement of Cash Flows [Abstract] Share-based compensation Share-based Compensation Unrealized foreign exchange (gain) loss, net Foreign Currency Transaction Gain (Loss), Unrealized Deferred income taxes Deferred Income Taxes and Tax Credits Changes in working capital, net of amounts acquired: Increase (Decrease) in Operating Capital [Abstract] Income taxes payable, net Increase (Decrease) in Income Taxes Payable Increase (Decrease) in Accounts Receivable Trade accounts receivable, including amounts in settlement assets Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets, including amounts in settlement assets Increase (Decrease) in Accounts Payable, Trade Trade accounts payable, including amounts in settlement obligations Deferred revenue Increase (Decrease) in Deferred Revenue Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment and proceeds of sale property and equipment Purchases of other long-term assets Payments to Acquire Other Productive Assets Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of shares Proceeds from Issuance or Sale of Equity Operating Lease, Liability Present value of lease liabilities Payments of Debt Issuance Costs Debt issuance costs Proceeds from (Payments for) Other Financing Activities Other, net Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Non-cash impairment charge Other Asset Impairment Charges Deferred contract costs Deferred contract costs Basis of Preparation Summary of Significant Accounting Policies and Practices Basis of Preparation BASIS OF PREPARATION [Abstract] Basis of Accounting [Text Block] Basis of Preparation and Seasonality [Text Block] Summary of Significant Accounting Policies and Practices Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies and Practices Stockholders' Equity Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Goodwill and Finite-lived Intangible Assets [Roll Forward] Acquisitions Business Combination Disclosure [Text Block] Restricted Assets Disclosure [Text Block] The description of the entity's material accounting policy information for non-controlling interests. The description of the entity's material accounting policy information for other assets. Restricted Cash Property, Plant and Equipment Disclosure [Text Block] Other comprehensive (loss) income Property, Plant and Equipment Disclosure [Text Block] Goodwill and Acquired Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Acquired Intangible Assets, Net Deferred Tax Assets, Net of Valuation Allowance Total deferred tax assets Statement of Stockholders' Equity [Abstract] Debt Obligations Debt Disclosure [Text Block] Debt Obligations Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Leases Present value of lease liabilities Lessee, Operating Lease, Liability, to be Paid, after Year Five Income Taxes Income Tax Disclosure [Text Block] Number of reportable segments Thereafter Income Taxes Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Valuation and Qualifying Accounts Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock options activity Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Business Segment Information Segment Reporting Disclosure [Text Block] Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Contract costs Business Segment Information Financial Instruments and Fair Value Measurements Operating Lease, Expense Weighted- average remaining lease term (years) Weighted- average remaining lease term Fair Value Disclosures [Text Block] Financial Instruments and Fair Value Measurements Commitments Commitments Disclosure [Text Block] Commitments Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Quarterly Financial Information [Text Block] Selected Quarterly Data (Unaudited) Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] ATM cash ATM Cash [Policy Text Block] ATM Cash [Policy Text Block] The description of the entity's material accounting policy information for settlement assets and obligations. Settlement Assets and Liabilities [Policy Text Block] Settlement Assets and Liabilities [Policy Text Block] Inventory, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Other Assets [Policy Text Block] Other assets [Policy Text Block] Debt, Policy [Policy Text Block] Debt, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Business Combinations Policy [Policy Text Block] Business Combinations Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Accounting for derivative instruments and hedging activities Derivatives, Methods of Accounting, Hedging Derivatives [Policy Text Block] Revenue recognition Revenue Recognition, Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Share-based compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Allowance for Credit Losses [Text Block] Allowance for Credit Losses [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Property and Equipment, Net Schedule of Depreciation and amortization rates Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Weighted- average discount rate Weighted- average discount rate Acquisitions Business Acquisition [Line Items] Restrictions on Cash and Cash Equivalents [Table Text Block] Schedule of restricted cash balances Schedule of property and equipment, net of accumulated depreciation and amortization Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of intangible assets Schedule of goodwill and amortizable intangible assets Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Cash paid for amounts included in the measurement of lease liabilities Cash paid for amounts included in the measurement of lease liabilities (a) ROU assets obtained in exchange for new operating lease liabilities ROU assets obtained in exchange for new operating lease liabilities Schedule of deferred tax assets and liabilities Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of derivative instruments gain (loss) Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of future minimum lease payments under non-cancelable operating leases Lease, Cost [Table Text Block] Summary of operating loss carryforwards Debt instrument, redemption, description Schedule of lease expense recognized in consolidated statements of income 1.375% Senior Notes due 2026 [Member] Senior Notes, 1.375 Percent due 2026 [Member] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of supplemental cash flow and non-cash information related to leases Range [Axis] Range [Axis] Range [Domain] Range [Domain] Schedule of income before income taxes domestic and foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Effective Income Tax Rate Reconciliation, State and Local Income Taxes Non-deductible expenses Change in federal and foreign valuation allowance Effective Income Tax Rate Reconciliation, Tax Credit, Amount Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Operating Loss Carryforwards [Table Text Block] Schedule of Income Tax Examinations Schedule of income tax examinations Tabular disclosure of valuation and qualifying accounts. Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block] Schedule of components of income tax expense (benefit) Schedule of effective income tax rate reconciliation Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of reportable segment results Quarterly Financial Information [Table Text Block] Schedule of selected quarterly data Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] This member stands for the information pertaining to "ATMs". ATMs [Member] ATMs [Member] Computers and software [Member] Computers and software [Member] This member stands for the information pertaining to "computers and software". POS terminals [Member] POS Terminals [Member] POS Terminals [Member] Vehicles and office equipment [Member] Vehicles and Office Equipment [Member] Vehicles and Office Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Useful Life Property, plant and equipment, useful life Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Non-compete agreements [Member] Noncompete Agreements [Member] Trademarks and trade names [Member] Trademarks and Trade Names [Member] Software [Member] Computer Software, Intangible Asset [Member] Customer relationships [Member] Customer Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Finite-Lived intangible assets, Useful life Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Europe [Member] Europe [Member] North America [Member] North America [Member] Asia Pacific [Member] Asia Pacific [Member] Other geographic locations [Member] Other [Member] This member stands for the information pertaining to "other geographic locations". Consolidation, Eliminations [Member] Eliminations [Member] Segments [Axis] Segment Reporting Information, by Segment [Axis] Segments [Axis] Segments [Domain] Segments [Domain] This member stands for the information pertaining to "EFT processing segment". EFT Processing [Member] EFT Processing Segment [Member] epay [Member] Epay Segment [Member] This member stands for the information pertaining to "Epay segment". This member stands for the information pertaining to "money transfer segment". Money Transfer Segment [Member] Money Transfer Segment [Member] Income Tax Expense Benefit Other Deferred Tax Assets, Net [Abstract] Additions based on tax positions related to the current year Deferred Tax Assets, Gross Deferred Tax Assets, Gross Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Debt Instrument, Convertible, Conversion Price Debt Instrument, Convertible, Conversion Price Incremental shares from assumed conversion of convertible debentures Operating expenses: Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Treasury Stock Acquired, Average Cost Per Share Treasury Stock Acquired, Average Cost Per Share Stock Repurchase Program, Authorized Amount Stock repurchase program authorized amount Stock Repurchase Program, Number of Shares Authorized to be Repurchased Stock repurchase program, number of shares authorized to be repurchased Purchase price of acquired entity in cash Payments to Acquire Businesses, Gross Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Intangible asset, useful life Total assets acquired Deferred tax assets: Components of Deferred Tax Liabilities [Abstract] Tax loss carryforwards Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Settlement Assets Restricted Cash [Axis] Settlement Assets Restricted Cash [Axis] settlementassetsrestrictedcash [Axis] Settlement Assets Restricted Cash [Domain] Settlement Assets Restricted Cash [Domain] [Domain] for settlementassetsrestrictedcash [Axis] This member stands for the information pertaining to "collateral on bank credit arrangements and other". Collateral on bank credit arrangements and other [Member] Collateral on bank credit arrangements and other [Member] Cash held in trust or on behalf of others [Member] Cash held in trust or on behalf of others [Member] This member stands for the information pertaining to "cash held in trust and/or cash held on behalf of others". Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents, Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Land and buildings [Member] Land and Building [Member] Property, Plant and Equipment, Gross Property and Equipment, Gross Depreciation and amortization expense Depreciation expenses Finite-Lived Intangible Assets, Gross Gross Carrying Amount Future Amortization Expense, Year One Property and equipment Accrued expenses Intercompany notes Goodwill and intangible amortization Accrued revenue Lease accounting Gross deferred tax assets Other Total deferred tax assets, net of valuation allowance Valuation allowance Goodwill and intangible amortization Deferred tax liabilities: Deferred tax liabilities, accrued expenses Deferred tax liabilities, accrued interest Deferred tax liabilities, intercompany notes Deferred Tax Liabilities, Property, Plant and Equipment Capitalized research and development Accrued revenue Reductions for tax positions of prior years Deferred Tax Liabilities, Other Interest Paid, Excluding Capitalized Interest, Operating Activities U.S. Federal statutory income tax rate Federal statutory income tax rate Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Future Amortization Expense, Year Two Balance, shares Finite-Lived Intangible Assets, Amortization Expense, Year Two Future Amortization Expense, Year Three Treasury Stock, Shares, Acquired Repurchase of shares, shares Finite-Lived Intangible Assets, Amortization Expense, Year Three Future Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Four Future Amortization Expense, Year Five Lessee, Operating Leases [Text Block] Leases Finite-Lived Intangible Assets, Amortization Expense, Year Five Goodwill and Finite-lived Intangible Assets [Roll Forward] Current Finance Lease Liabilities The present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Cover [Abstract] Current portion of finance lease obligations Amortization Finite-Lived Intangible Assets, Amortization Expense Goodwill, Acquired During Period Goodwill, Acquisitions (see footnote 6) Goodwill, Other (primarily changes in foreign currency exchange rates) Goodwill, Other Increase (Decrease) Total Intangible Assets, Acquisitions (see footnote 6) Total intangible assets acquired during period Total Intangible Assets, Amortization Total intangible assets amortization expense Total intangible assets amortization expense Total intangible assets, other changes Total Intangible Assets, Other (primarily changes in foreign currency exchange rates) This member stands for the information pertaining to "senior notes, 1.375 percent due 2026". Accrued Liabilities, Current Accrued expenses Derivative Liability, Current Derivative liabilities Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] U.S. State [Member] Foreign Tax Authority [Member] U.S. State [Member] State and Local Jurisdiction [Member] Revolving Credit Facility [Member] Gross undistributed earnings reinvested indefinitely in foreign subsidiaries Tax credit carryforwards Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Employee service share-based compensation, nonvested awards, overall weighted-average period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Other current assets Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding balance Weighted Average Grant Date Fair Value Per Share, Nonvested Number of Shares, Nonvested The amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other permanent differences. Period the foreign currency forward contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. The amount of of increase (decrease) to assets including goodwill, excluding financial assets, lacking physical substance with an indefinite and definite life, classified as other. The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. The amount of increase in assets including goodwill, excluding financial assets, lacking physical substance with an indefinite and definite life, from an acquisition. Tabular disclosure of cash and cash equivalents and restricted cash. The forfeitures rate assumption that is used in valuing an option on its own shares. Assumed forfeitures Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Forfeitures Rate Tax net operating loss carryforwards Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Federal statutory income tax rates Accounting Standards Update [Domain] Accounting Standards Update [Axis] Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits that would impact provision for income taxes and effective income tax rate Sublimit [Axis] Sublimit [Axis] Sublimit [Axis] Sublimit [Domain] Sublimit [Domain] Sublimit [Domain] Letter of Credit [Member] Letter of Credit [Member] U.S. dollar swingline loans [Member] Swingline Loans US Dollar [Member] This member stands for the information pertaining to "u.s. dollar swingline loans". Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Maximum Unlimited Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Revolving credit agreement Long-term Line of Credit Convertible Debt Convertible debt, carrying values Senior notes Convertible Debt Total debt obligations Total Debt Obligations Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Long-term Debt, Maturities, Repayments of Principal in Year Two Long-term Debt, Maturities, Repayments of Principal in Year Two Long-term Debt, Maturities, Repayments of Principal in Year Three Long-term Debt, Maturities, Repayments of Principal in Year Three Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Interest Rate at Period End Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Interest Rate Terms Debt Instrument, Interest Rate Terms Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Debt Issuance Costs, Gross Debt Issuance Costs, Gross Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Debt Instrument, Interest Rate During Period Debt Instrument, Convertible, Effective Interest Rate Debt Instrument, Contractual interest expenses Debt Instrument, Convertible, Interest Expense Deferred revenue Other long-term liabilities Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Business Operations [Axis] Business Operations [Axis] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Division [Axis] Business Operations [Domain] Business Operations [Domain] Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Settlement Liabilities Settlement liabilities [Domain] for Division [Axis] This member stands for the information pertaining to "Ria operations". Ria Operations [Member] Ria Operations [Member] This member stands for the information pertaining to "corporate operations". Corporate Operations [Member] Corporate Operations [Member] xe Operations [Member] xe Operations [Member] This member stands for the information pertaining to "Xe operations". Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Trading Revenue [Member] Trading Revenue [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Liability, Fair Value, Gross Liability Gross Amounts of Recognized Liabilities Derivative Asset, Fair Value, Gross Asset Gross Amounts of Recognized Assets Gross Amounts Offset in the Consolidated Balance Sheet Derivative Asset, Fair Value, Gross Liability Derivative Asset, Fair Value, Amount Not Offset Against Collateral Net Amounts Presented in the Consolidated Balance Sheet Derivatives Not Offset in the Consolidated Balance Sheet Derivative Asset, Not Offset, Financial Instruments Derivative, Collateral, Obligation to Return Cash Cash Collateral Received Derivative Asset, Fair Value, Amount Offset Against Collateral Derivatives Assets, Net Amounts Derivative, Notional Amount Derivative, Notional Amount Trading Activity, Gain Trading Activity, Gain Foreign currency forward contract term Foreign currency forward contract term Derivative Liability, Fair Value, Gross Asset Gross Amounts Offset in the Consolidated Balance Sheet Net Amounts Presented in the Consolidated Balance Sheet Derivatives Not Offset in the Consolidated Balance Sheet Derivative Liability, Not Offset, Policy Election Deduction Derivative, Collateral, Right to Reclaim Cash Cash Collateral Paid Derivative Liability, Net Amounts Foreign Currency Gain (Loss) [Member] Foreign currency exchange gain (loss), net [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2024 Operating Lease, Payments, Use Operating Lease, Weighted Average Remaining Lease Term Number of Reportable Segments Lessee, Operating Lease, Liability, Payments, Due Year Three New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] The amount of settlement liabilities assumed in business combination. Diluted earnings per share Net assets acquired Share-based compensation 2026 Lessee, Operating Lease, Liability, Payments, Due Year Four 2027 Lessee, Operating Lease, Liability, Payments, Due Year Five 2028 Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating Lease, Liability Acquired Intangible Assets, Amortization Variable Lease, Cost Variable lease expense Operating Lease, Expense Total lease expense Operating Lease, Weighted Average Discount Rate, Percent Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income taxes [Table] Income taxes [Table] Income taxes [Table] Expiration Date [Axis] Expiration Date [Axis] expiration date [Domain] expiration date [Domain] Expiration date [Domain] This member stands for the information pertaining to "expiring in one year". 2024 [Member] Expiring in Two Years [Member] 2025 [Member] Expiring in Three Years [Member] 2026 [Member] Expiring in Four Years [Member] 2027 [Member] Expiring in Five Years [Member] 2028 [Member] This member stands for the information pertaining to "expiring in more than five years". Thereafter [Member] This member stands for the information pertaining to "not subject to expiration". Unlimited [Member] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] United States UNITED STATES Non-US Foreign [Member] This member stands for the information pertaining to "corporate services, eliminations and other". Income taxes [Line Items] Income taxes [Line Items] Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Derivative Liability, Fair Value, Amount Offset Against Collateral Foreign Current Income Tax Expense (Benefit) Total current Total deferred Deferred Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State income tax expense at statutory rates, net of U.S. federal income tax Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Schedule of other information about lease amounts recognized in consolidated financial statements Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other Effective Income tax reconciliation, other permanent differences Income tax reconciliation, other permanent differences Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from contract costs. Difference between U.S. federal and foreign tax rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Schedule of Lease Term and Discount Rate of Operating Leases [Table Text Block] Effective Income Tax Rate Reconciliation, Tax Credit, Amount Tax credits Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Effective Income Tax Rate Reconciliation, Other Adjustments Effective Income Tax Rate, Continuing Operations Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Property, Plant and Equipment Deferred tax assets, property, plant and equipment Deferred Tax Assets, Goodwill and Intangible Assets Deferred tax assets, goodwill and intangible assets Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intercompany notes. Deferred tax assets, intercompany notes Deferred tax assets, intercompany notes Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued revenue. Deferred Tax Assets Accrued Revenue Deferred tax assets, accrued revenue Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Deferred Tax Asset Lease Accounting Tabular disclosure of lessee's lease term and discount rate of operating leases. Deferred Tax Assets, Other Deferred Tax Assets, Other Additions for tax positions of prior years BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSettlementAssets Net deferred tax assets Deferred Tax Liabilities, Intangible Assets Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets Deferred tax liabilities, accrued expenses Amount of deferred tax consequences attributable to taxable temporary differences derived from accrued expenses. Accrued expenses Deferred tax liabilities, intercompany notes Amount of deferred tax consequences attributable to taxable temporary differences derived from intercompany notes. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Intercompany notes Deferred Tax Liabilities Accrued Interest Amount of deferred tax consequences attributable to taxable temporary differences derived from accrued interest. Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Accrued interest ICFR Auditor Attestation Flag Deferred Tax Liabilities, Property, Plant and Equipment Property and equipment Amount of deferred tax consequences attributable to taxable temporary differences derived from accrued revenue. Deferred Tax Liabilities Accrued Revenue Accrued revenue Deferred Tax Liabilities, Other Other Deferred Tax Liabilities, Gross Total deferred tax liabilities Net deferred tax liabilities Deferred Tax Liabilities, Net Operating Loss Carryforwards Operating loss carryforwards The amount of tax effected for operating loss carryforward. Operating Loss Carryforward, Tax Effected Operating Loss Carryforward, Tax Effected Beginning balance Ending balance Beginning balance Interest paid during the period Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized tax benefits, income tax penalties and interest accrued SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Additions-charged to expense Amounts written off SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Other (primarily changes in foreign currency exchange rates) SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment Award Type [Domain] Equity Award [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Derivative Liability, Fair Value, Amount Not Offset Against Collateral Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Restricted Stock [Member] Restricted Stock [Member] This member stands for the information pertaining to "performance-based restricted stock". Noncontrolling interests Noncontrolling Interests [Policy Text Block] Performance-based Restricted Stock [Member] Performance-based Restricted Stock [Member] Weighted Average Grant Date Fair Value Per Share, Nonvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Time-based restricted stock [Member] Time-based restricted stock [Member] This member stands for the information pertaining to "time-based restricted stock". Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Number of Shares, Granted Weighted Average Grant Date Fair Value Per Share, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Debt Instrument, Redemption, Description Weighted Average Grant Date Fair Value Per Share, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Number of Shares, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of Shares, Exercisable Income before taxes: Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Deferred Income Tax Expense (Benefit) Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] AUSTRALIA GREECE GREECE UNITED KINGDOM Goodwill Goodwill, Balance GERMANY POLAND Presentation of taxes collected and remitted to governmental authorities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Intangible assets Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Supplemental non-cash information on lease liabilities arising from obtaining ROU assets: Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value SPAIN NEW ZEALAND NEW ZEALAND Other countries [Member] Other Countries [Member] This member stands for the information pertaining to "other countries". ITALY MALAYSIA MALAYSIA FRANCE FRANCE INDIA Corporate Services, Eliminations and Other [Member] Schedule of derivative instruments in statement of financial position fair value U.S. federal income tax expense at applicable statutory rate Foreign currency exchange contracts Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] The amount of accrued expenses and other current liabilities classified as current settlement liabilities. Schedule of the fair value using the Black-Scholes-Merton option-pricing model or Monte Carlo simulation model Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of total revenues, property and equipment and total assets Recently Issued And Adopted Accounting Pronouncements [Line Items] Amortization of Other Deferred Charges New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Trade accounts payable Accrued expenses and other current liabilities Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Property and equipment Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Unallocated Amount to Segment, Intersegment Eliminations and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Derivative Instruments, Gain (Loss) [Table] Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted Average Exercise Price, Outstanding balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Weighted Average Exercise Price, Forfeited/Canceled Weighted Average Exercise Price, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value (thousands), Outstanding balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Aggregate Intrinsic Value (thousands), Exercisable Dividend yield Number of Shares, Nonvested Number of Shares, Granted Number of Shares, Vested Number of Shares, Forfeited Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate - weighted average Volatility - range Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Aggregate Intrinsic Value (thousands), Vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted Average Remaining Contractual Term (years), Exercisable Fair Value, by Balance Sheet Grouping [Table] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Fair Value, by Balance Sheet Grouping [Table] Weighted Average Remaining Contractual Term (years), Vested and expected to vest Weighted Average Remaining Contractual Term (years), Outstanding balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Exercise Price, Vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Granted Summary stock options activity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Derivative Instruments, Gain (Loss) [Table] Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Foreign Currency Contract, Asset, Fair Value Disclosure Foreign currency exchange contracts, Other current assets Foreign currency exchange contracts, Other current liabilities Foreign Currency Contracts, Liability, Fair Value Disclosure Convertible Debt, Fair Value Disclosures Convertible debt, fair value Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Schedule of Guarantor Obligations [Table] Schedule of Guarantor Obligations [Table] Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Guarantor Obligations by Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Performance Guarantee [Member] Performance Guarantee [Member] Indemnification Agreement [Member] Indemnification Agreement [Member] Guarantor Obligations [Line Items] Commitments Guarantor Obligations, Maximum Exposure, Undiscounted Guarantees amount Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] This member stands for the information pertaining to "Rontec ltd.". Number of Shares, Outstanding balance Rontec Ltd [Member] Rontec Ltd. [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Organization Organization Schedule of debt obligations Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Schedule of Debt [Table Text Block] Cash equivalents The description of the entity's material accounting policy information for atm cash. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Settlement assets and obligations Property and equipment Goodwill and other intangible assets Other assets Convertible notes Business combinations Income taxes Fair value measurements Revenue Recognition, Policy [Policy Text Block] Schedule of weighted average number of common shares outstanding Direct operating costs Total operating expenses Weighted average shares outstanding: Operating Expenses [Abstract] Other Cost and Expense, Operating Operating Expenses Other gains, net Other gains Earnings per share attributable to Euronet Worldwide, Inc. stockholders: Earnings Per Share [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Cash and cash equivalents and restricted cash at end of period Cash and cash equivalents and restricted cash at beginning of period Supplemental Cash Flow Disclosures: Supplemental Cash Flow Disclosures: Schedule of Intangible Assets and Goodwill [Table Text Block] Tabular disclosure of settlement assets and liabilities. Schedule of valuation and qualifying accounts The amount of trade account payables classified as current settlement liabilities. The amount of cash in auto-mated teller machine (ATM). Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Goodwill, Amortization Settlement Assets [Abstract] Settlement assets: Settlement restricted cash Account receivables Settlement Assets, Current Derivative Asset, Not Offset, Policy Election Deduction Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Total settlement obligations Settlement obligations Settlement Liabilities, Current Settlement Assets Cash and Cash Equivalents at Carrying Value ATMs or ATM upgrades [Member] Presentation of taxes collected and remitted to government authorities policy [Policy Text Block] This member stands for the information pertaining to "POS terminals". Number of Shares, Forfeited/Canceled This member stands for the information pertaining to "vehicles and office equipment". Presentation of Taxes Collected and Remitted to Government Authorities [Policy Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Share-based compensation The description of the entity's material accounting policy information for presentation of taxes collected and remitted to governmental authorities. Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Increase (decrease) in cash and cash equivalents and restricted cash Effect of exchange rate changes on cash and cash equivalents and restricted cash Goodwill and Finite-lived Intangible Assets Decreases [Abstract] Acquired Intangible Assets, Increases (decreases): Finite-lived Intangible Assets Acquired Goodwill Decreases [Abstract] Goodwill, Increases (decreases): Effect of exchange rate changes on cash and cash equivalents and restricted cash Goodwill Amortization The amount of amortization for goodwill. Goodwill Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Total Intangible Assets Decreases [Abstract] Total Intangible Assets, Increases (decreases): Acquired Intangible Assets, Acquisitions (see footnote 6) Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization of Intangible Assets Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Foreign currency translation gain (loss) Translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Total income before income taxes Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of fair values of the assets acquired and liabilities fair values of the assets acquired and liabilities Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of cash and cash equivalents and restricted cash Schedule of Cash and Cash Equivalents including Restrictions on Cash and Cash Equivalents [Table Text Block] Accrued Expenses and Other Current Liabilities Account receivables, net of credit loss allowance ATM cash Restricted cash Allowance for Doubtful Other Receivables, Current Settlement Liabilities Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Cash in Automated Teller Machine Settlement obligations: Trade account payables Weighted Average Exercise Price, Expired Weighted-average fair value (per option) Share-Based Payment Arrangement [Member] Settlement LiabilitiesTrade Accounts Payable Current Fair value of option Weighted-average fair value (per share) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Settlement cash and cash equivalents The carrying amount of cash and cash equivalents classified as current settlement assets. Settlement Liabilities [Abstract] Settlement Assets and Obligations Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (loss) income attributable to Euronet Worldwide, Inc. Comprehensive loss (income) attributable to noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Income before income taxes Options granted Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Statute of limitations expiration Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Changes in non-current assets and liabilities Accretion of convertible debt discount and amortization of debt issuance costs Amortization of Debt Issuance Costs and Discounts Income taxes paid during the period Income Taxes Paid, Net Restricted cash Restricted Cash, Current Acquired contract cost impairment Capitalized Contract Cost, Impairment Loss Earnings (loss) per share attributable to Euronet Worldwide, Inc. stockholders: Risk-free interest rate Deferred Tax Assets Contract Costs Net deferred tax liabilities Auditor Name Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Auditor Firm ID Volatility Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Auditor Location Acquired Intangible Assets, Balance Acquired intangible assets, net of accumulated amortization of $185,054 and $175,210 Comprehensive (loss) income Other comprehensive income (loss), net of tax: Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Acquired intangible assets, net of accumulated amortization of $214.1 and $199.2 Acquired Intangible Assets, Balance Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Share Repurchase Plan, 2021 [Member] This member stands for the information pertaining to "Share Repurchase Plan, 1". Share Repurchase Plan, 1 [Member] Share Repurchase Plan, 2022 [Member] Line of Credit Facility, Capacity available subject to certain conditions GILTI, net of tax credits Effective Income Tax Rate Reconciliation, GILTI, Amount Adjustment to Additional Paid-in Capital, Convertible Debt Instrument Issued at Substantial Premium Accrued expenses and other current liabilities, including amounts in settlement obligations Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Payments for Repurchase of Equity Deferred income taxes Repurchase of shares Acquisitions Accrued Expenses and Other Current Liabilities Legal Matters and Contingencies [Text Block] Litigation and Contingencies Recent accounting guidance New Accounting Pronouncements, Policy [Policy Text Block] Schedule of offsetting assets and liabilities Schedule of offsetting assets and liabilities Tabular disclosure of derivative financial assets and liabilities that are subject to offsetting, including master netting arrangements. Schedule of revenues by segment by region Revenue from External Customers by Geographic Areas [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of financial assets measured and recorded at fair value U.S. Tax Reform - transition tax and rate change Provision in excess of statutory rates Operating Costs and Expenses Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] Property, plant and equipment, estimated useful lives Lessee, Operating Lease, Liability, Payments, Due Year Two 2025 Related party transaction, incurred expenses Fair Value, Recurring and Nonrecurring [Table] Convertible Notes Payable [Member] Senior Notes [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Notes Payable, Fair Value Disclosure Notes Payable, Fair Value Disclosure Net Income (Loss) Attributable to Parent, Diluted Business Combination, Price of Acquisition, Expected Business acquisition, purchase price Contractual maximum amount of consideration Convertible Notes Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Convertible Notes Receivable Convertible Notes Receivable Koin Mobile, LLC Schedule of Receivables with Imputed Interest [Table] Schedule of Receivables with Imputed Interest, Name of Receivable with Imputed Interest [Axis] Name of Receivable with Imputed Interest [Domain] Notes Receivable [Member] Counterparty Name [Axis] Counterparty Name [Domain] Koin Mobile Llc Member This member stands for the information pertaining to "Koin Mobile, LLC". Marker Trax LLC Marker Trax Llc Member This member stands for the information pertaining to "Marker Trax LLC". Represents the number of convertible notes receivable during the reporting period. Number Of Convertible Notes Receivable Number of convertible notes receivable Number of entities wholly owned by member company Number Of Entities Wholly Owned By Member Company Receivables with Imputed Interest [Line Items] Receivable with Imputed Interest, Face Amount Receivable with Imputed Interest, Effective Yield (Interest Rate) Receivable with Imputed Interest, Due Date Interest Receivable Denominator Amount For Conversion Of Receivable Denominator amount for conversion of receivable Debt Instrument, Convertible, Conversion Ratio Convertible Notes Receivable Principal amount of receivable Receivable, Interest rate per annum Unpaid principal and interest due and payable date Accrued interest receivable Uncommitted credit agreements Other borrowings Other Short-Term Borrowings Convertible ratio of class A Preferred Units Deferred Tax Assets, in Process Research and Development Capitalized research and development Convertible Notes, 0.75 Percent, due 2049 [Member] Convertible Notes, 0.75 Percent, due 2049 [Member] This member stands for the information pertaining to "Convertible Notes, 0.75%, due 2049". Uncommitted credit agreement Debt, Long-Term and Short-Term, Combined Amount, Gross Total debt obligations Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, including current maturities and short-term debt. Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Carrying value of debt Long-term Debt, Maturities, thereafter Long-Term Debt, Maturity, after Year Three Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Credit Facility with Sublimit, 1 [Member] Sublimit, 1 [Member] This member stands for the information pertaining to "Credit Facility with Sublimit, 1". Line of Credit Facility, Capacity Available for Trade Purchases Line of Credit Facility, Covenant Terms Line of Credit Facility, Current Borrowing Capacity Debt Instrument, Maturity Date Range, End Short-Term Debt Debt Instrument, Description of Variable Rate Basis Short-Term Debt, Weighted Average Interest Rate, over Time Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Debt Instrument, Frequency of Periodic Payment Debt Instrument, Date of First Required Payment Debt Instrument, Redemption Period, Start Date Debt Instrument, Frequency of Periodic Payment Debt Instrument, Date of First Required Payment Debt Instrument, Redemption Period, Start Date Convertible Notes Receivable Debt issuance costs Interest Expense, Debt Debt Instrument, Effective Interest Rate Other short-term borrowings Long-term debt obligations Uncommitted borrowings, Outstanding amount Weighted-average interest rate Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Reclassifications of foreign currency translation Dividends Dividends paid Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Computation of diluted weighted average shares outstanding: Incremental shares from assumed exercise of stock options and vesting of restricted stock This member stands for the information pertaining to "Piraeus Bank Merchant Acquiring". Number of Businesses Acquired Number of additional acquisition Series of Individually Immaterial Business Acquisitions [Member] Payments to acquired entity in cash for surplus working capital The cash outflow associated with the acquisition of business for the cash portion of surplus working capital of acquired entity. Business Combination, Payments to Acquire Businesses for Surplus Working Capital, Gross Earn Out Contingent [Member] This member stands for the information pertaining to "Earn Out Contingent". Earn Out Contingent [Member] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Business Acquisition, Period of Earn Out Contingent The period of earn out contingent on performance targets outlined in the commercial framework agreement in a business combination. Business Acquisition, Period of Earn Out Contingent Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Business Combination, Revenue of acquiree Financial Standby Letter of Credit [Member] Financial Guarantee [Member] Guarantor Obligations, Current Carrying Value Financial Standby Letter of Credit [Member] Financial Guarantee [Member] Cash Collateral for Borrowed Securities Collateralized cash deposits Class of Treasury Stock [Table] Equity, Class of Treasury Stock [Line Items] Stock repurchased Payments to acquired entity in cash Estimated contingent consideration Business Combination, Intangible assets acquired Business Combination, Acquired Intangible asset, useful life Stockholders' Equity Stock repurchased (in shares) Stock repurchased, weighted average purchase price This member stands for the information pertaining to "Share Repurchase Plan, 2". Share Repurchase Plan, 2 [Member] Share Repurchase Plan, 2023 [Member] This member stands for the information pertaining to "Share Repurchase Plan, 3". Share Repurchase Plan, 3 [Member] Document Financial Statement Error Correction [Flag] Income before income taxes Adoption of ASU-2020-60 on Convertible bond Issuance of Convertible Notes Receivable Payments to Acquire Notes Receivable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of Shares, Vested and expected to vest Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Valuation Technique, Black-Scholes-Merton, Option Pricing Or Monte Carlo Simulation Model [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate - range, high Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate - range, low Summary restricted stock activity Share-based compensation plans [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Share-Based Compensation Arrangement by Share-Based Payment Award, Threshold Percentage of Stock Price Trigger for Vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Threshold Percentage of Stock Price Trigger for Vesting The minimum percentage of common stock price to determine eligibility of vesting feature. Share-Based Compensation Arrangement by Share-Based Payment Award, Threshold Consecutive Trading Days for Vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Threshold Consecutive Trading Days for Vesting The threshold period of specified consecutive trading days of common stock price must exceed threshold percentage for specified number of trading days to trigger for vesting feature. Useful Life, Term, Description [Domain] Useful Life, Lease Term [Member] Restricted cash Stock Plans Weighted Average Grant Date Fair Value Per Share Income Tax Contingency [Table] Domestic Tax Authority [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Internal Revenue Service (IRS) [Member] Federal Ministry of Finance, Germany [Member] Greece [Member] This member stands for the information pertaining to designated tax department of the government of Greece. Greece Tax Authority [Member] Tax Authority, Spain [Member] Her Majesty's Revenue and Customs (HMRC) [Member] Tax Period [Axis] Tax Period [Domain] Earliest Tax Year [Member] Latest Tax Year [Member] Income Tax Contingency [Line Items] Open Tax Year Open tax year U.S. (Federal) [Member] Germany [Member] Spain [Member] U.K. [Member] Domestic Tax Authority [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Research Tax Credit Carryforward [Member] Tax net operating loss carryforwards, Expiration year Expiration year of each operating loss carryforward included in operating loss carryforward, in YYYY format. Operating Loss Carryforwards, Expiration Year Tax Credit Carryforward, Amount Undistributed Earnings of Foreign Subsidiaries Tax credit carryforwards, Expiration year Expiration year of the tax credit carryforward, in YYYY format. Tax Credit Carryforward, Expiration Year U.S. Federal [Member] Research and Expenditure Tax Credit Carryforward [Member] ASU 2020-06 Accounting Standards Update 2020-06 [Member] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Domain] Operating Segments [Member] Segment Reconciling Items [Member] Corporate Services, Eliminations and Other [Member] Foreign currency exchange gain (loss), net Depreciation, Depletion and Amortization Depreciation and amortization SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Allowance, Credit Loss [Member] Amortization related to deferred contract costs SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Accounting for Convertible Instruments Debt Modification Increase (Decrease) in Equity before Tax Amount Accounting for convertible instruments, Debt Modification, Increase (Decrease) in Equity, before Tax Amount Accounting for convertible instruments, Debt Modification, Increase (Decrease) in Debt Discounts, before Tax Amount Accounting for Convertible Instruments Debt Modification Increase (Decrease) in Debt Discounts before Tax Amount Restricted Cash [Abstract] Accounting for convertible instruments, Debt Modification, Increase (Decrease) in Equity, Tax Amount Accounting for Convertible Instruments Debt Modification Increase (Decrease) in Equity Tax Amount Proceeds from Customers for Progress Payments Revenue, Remaining Performance Obligation, Amount ASU 2020-06 [Member] Property and Equipment, Net Litigation and Contingencies Cash payments received Revenue, remaining performance obligation, amount Revenue, remaining performance obligation, amount Selected Quarterly Data [Abstract] Tabular disclosure of useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Schedule of depreciation and amortization rates Schedule of Property Plant and Equipment Estimated Useful Lives [Table Text Block] Tabular disclosure of useful life of major finite-lived intangible asset class. Schedule of other intangible assets Schedule of Finite Lived Intangible Assets Estimated Useful Lives [Table Text Block] Employee-related Liabilities, Current Accrued payroll expenses Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of reconciliation of beginning and ending amount of unrecognized tax benefits Nonvested Restricted Stock Shares Activity [Table Text Block] Schedule of restricted stock activity Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Prepaid Expenses and Other Current Assets [Member] Hedging Designation [Axis] Hedging Designation [Domain] Not Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Deferred Tax Assets, Tax Credit Carryforwards Tax credits Deferred Tax Liabilities, Other Finite-Lived Assets Intangible assets related to purchase accounting Deferred Tax Liabilities, Leasing Arrangements Lease accounting Accrued expenses and other current liabilities [Member] Accrued expenses and other current liabilities [Member] Represents the information pertaining to accrued expenses and other current liabilities. Derivatives, Fair Value [Line Items] Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount Share-based compensation Computer Equipment [Member] Computers and software [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Segment Reporting, Revenue Reconciling Item [Line Items] Finite-Lived Intangible Assets, Translation and Purchase Accounting Adjustments Restricted Cash Acquired Intangible Assets, Other (primarily changes in foreign currency exchange rates) Other income (expense) Finite-Lived Intangible Assets, Amortization Expense Amount, before tax, of increase (decrease) in equity for convertible instruments classified as equity related to debt instruments modification as a single liability measured at its amortized cost. Amount, before tax, of increase (decrease) in debt discounts for convertible instruments classified as equity related to debt instruments modification as a single liability measured at its amortized cost. Amount of tax expense (benefit), of increase (decrease) in equity for convertible instruments classified as equity related to debt instruments modification as a single liability measured at its amortized cost. Convertible notes receivable Financing Receivable, after Allowance for Credit Loss, Noncurrent Other permanent differences Valuation Technique, Black-Scholes-Merton, Option Pricing or Monte Carlo Simulation Model [Member] This member stands for the information pertaining to "Valuation Technique, Black-Scholes-Merton, Option Pricing or Monte Carlo Simulation Model", a valuation technique calculating price of option. Proceeds from Long-Term Lines of Credit Repayments of Long-Term Lines of Credit Proceeds from (Repayments of) Short-Term Debt Borrowings from revolving credit agreements Repayments of revolving credit agreements Net (repayments) borrowings from short-term debt obligations