Statement of Comprehensive Income [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss (income) attributable to noncontrolling interests Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to Euronet Worldwide, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Term Loan [Member] Term Loan [Member] Term Loan [Member] Reference rate [Axis] Reference rate [Axis] Reference rate [Axis] Reference Rate [Domain] Reference Rate [Domain] Reference Rate [Domain] LIBOR [Member] LIBOR [Member] LIBOR [Member] Base rate [Member] Base Rate [Member] Sublimit [Axis] Sublimit [Axis] Sublimit [Axis] Sublimit [Domain] Sublimit [Domain] Sublimit [Domain] Letter of Credit [Member] Letter of Credit [Member] Swingline loans [Member] Swingline loans [Member] Swingline loans [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 3.5% Issue [Member] 3.5% Issue [Member] 3.5% Issue [Member] Common Stock [Member] Line of Credit [Member] Line of credit - India [Member] Line of credit - India [Member] Line of credit - India [Member] Capital Lease Obligations [Member] Convertible Debt [Member] Credit facility [Member] Credit facility [Member] Credit facility [Member] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Convertible Debt Issue [Axis] Convertible Debt Issue [Axis] Convertible Debt Issue [Domain] Convertible Debt Issue [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Term Loan, Due 2016 Loans Payable to Bank Revolving Credit Agreements, due 2016 Long-term Line of Credit Credit Facility, Amount Outstanding Line of Credit Facility, Amount Outstanding Convertible Debt Convertible Debt Other Obligations Short-term Debt Total Debt Obligations Debt, Long-term and Short-term, Combined Amount Long-term Debt, Current Maturities Long-term Debt, Current Maturities Long-term Debt, Excluding Current Maturities Long-term Debt, Excluding Current Maturities 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, Maximum Borrowing Capacity, Pre-modification Line of Credit Facility, Maximum Borrowing Capacity, Pre-modification Line of Credit Facility, Maximum Borrowing Capacity, Pre-modification Incremental Credit Facility Option Incremental Credit Facility Option Incremental Credit Facility Option Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Long-term Debt, Weighted Average Interest Rate Long-term Debt, Weighted Average Interest Rate 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 Letter of credit, interest rate at period end Letter of credit, interest rate at period end Letter of credit, interest rate at period end Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Debt Instrument, Convertible, Conversion Price Debt Instrument, Convertible, Conversion Price Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Repayments of Convertible Debt Repayments of Convertible Debt Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Amortization of Debt Discount (Premium) Amortization of Debt Discount (Premium) Loss on early retirement of debt Gains (Losses) on Extinguishment of Debt Consolidated Total Leverage Ratio Consolidated Total Leverage Ratio Consolidated Total Leverage Ratio Consolidated Senior Secured Leverage Ratio Consolidated Senior Secured Leverage Ratio Consolidated Senior Secured Leverage Ratio Consolidated Fixed Charge Coverage Ratio Consolidated Fixed Charge Coverage Ratio Consolidated Fixed Charge Coverage Ratio Deferred Finance Costs, Noncurrent, Gross Deferred Finance Costs, Noncurrent, Gross Debt Instrument, Convertible, Effective Interest Rate Debt Instrument, Interest Rate During Period Debt Instrument, Convertible, Interest Expense Interest Expense, Debt Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block] Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block] Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block] Summary of Significant Accounting Policies and Practices [Abstract] Summary Of Significant Accounting Policies And Practices. Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] epay Brazil [Member] epay Brazil [Member] epay Brazil [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Euronet Middle East W.L.L. [Member] Euronet Middle East W.L.L. [Member] Euronet Middle East W.L.L. [Member] Schedule of Equity Method Investment, Equity Method Investee, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] epay Malaysia [Member] epay Malaysia [Member] epay Malaysia [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investments Equity Method Investments Equity Method Investment, Realized Gain (Loss) on Disposal Equity Method Investment, Realized Gain (Loss) on Disposal Retained earnings, undistributed earnings from equity method investees Retained Earnings, Undistributed Earnings from Equity Method Investees Proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage 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] Noncompete Agreements [Member] Noncompete Agreements [Member] Trademarks and Trade Names [Member] Trademarks and Trade Names [Member] Computer Software, Intangible Asset [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 Assets, Useful Life, Minimum Finite-Lived Intangible Asset, Useful Life Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] West Side Investment Management, Inc [Member] West Side Investment Management, Inc [Member] West Side Investment Management, Inc [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related party transaction, expenses from transactions with related party Related Party Transaction, Expenses from Transactions with Related Party Stock repurchased during period, shares Stock Repurchased During Period, Shares Payments for repurchase of common stock Payments for Repurchase of Common Stock Acquisitions [Abstract] Acquisitions [Abstract] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Leases [Abstract] Schedule of Leased Asssets [Table] Schedule of Capital Leased Assets [Table] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Property Subject to Operating Lease [Member] Property Subject to Operating Lease [Member] Capital Lease Obligations [Member] Major asset class of leased assets [Axis] Major asset class of leased assets [Axis] Major asset class of leased assets [Domain] Major asset class of leased assets [Domain] Major asset class of leased assets [Domain] ATMs [Member] ATMs [Member] Other leased assets [Member] Other leased assets [Member] Leased Assets [Line Items] Capital Leased Assets [Line Items] Lease Expiration Date Lease Expiration Date Debt Instrument, Interest Rate, Stated Percentage Capital Leased Assets, Gross Capital Leased Assets, Gross Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Net Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Net Capital Lease Obligations Incurred Capital Lease Obligations Incurred Operating Leases, Rent Expense Operating Leases, Rent Expense Capital Leases, Future Minimum Payments Due, Current Capital Leases, Future Minimum Payments Due, Next Twelve Months Capital Leases, Future Minimum Payments Due in Two Years Capital Leases, Future Minimum Payments Due in Two Years Capital Leases, Future Minimum Payments Due in Three Years Capital Leases, Future Minimum Payments Due in Three Years Capital Leases, Future Minimum Payments Due in Four Years Capital Leases, Future Minimum Payments Due in Four Years Capital Leases, Future Minimum Payments Due in Five Years Capital Leases, Future Minimum Payments Due in Five Years Capital Leases, Future Minimum Payments Due Thereafter Capital Leases, Future Minimum Payments Due Thereafter Capital Leases, Future Minimum Payments Due Capital Leases, Future Minimum Payments Due Capital Leases, Future Minimum Payments, Interest Included in Payments Capital Leases, Future Minimum Payments, Interest Included in Payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Capital Lease Obligations, Current Capital Lease Obligations, Current Capital Lease Obligations, Noncurrent Capital Lease Obligations, Noncurrent Operating Leases, Future Minimum Payments Due, Current Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due RESTRICTED CASH [Abstract] RESTRICTED CASH [Abstract] Schedule of Restricted Cash and Cash Equivalents [Table] Schedule of Restricted Cash and Cash Equivalents [Table] Restricted Cash and Cash Equivalents, 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] Cash held in trust or on behalf of others [Member] Cash held in trust or on behalf of others [Member] Cash held in trust or on behalf of others [Member] Collateral on bank credit arrangements and other [Member] Collateral on bank credit arrangements and other [Member] Collateral on bank credit arrangements and other [Member] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents, Current Restricted Cash and Cash Equivalents, Current Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES Significant Accounting Policies [Text Block] Entity [Abstract] Entity [Abstract] Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name 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 Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Curreny [Axis] Curreny [Axis] Curreny [Axis] Curreny [Domain] Curreny [Domain] [Domain] for Curreny [Axis] Australia, Dollars Australia, Dollars cadooz [Member] cadooz [Member] cadooz [Member] Trade Names [Member] Trade Names [Member] Software Development [Member] Software Development [Member] Pure Commerce Pty Ltd [Member] Pure Commerce Pty Ltd [Member] Pure Commerce Pty Ltd [Member] Series of Individually Immaterial Business Acquisitions [Member] Series of Individually Immaterial Business Acquisitions [Member] ezi-pay Limited [Member] ezi-pay Limited [Member] ezi-pay Limited [Member] Smart PayNetwork SA [Member] Smart PayNetwork SA [Member] Smart Paynet SA [Member] cash4you [Member] cash4you [Member] cash4you [Member] Canadian Check Cashing Company [Member] Canadian Check Cashing Company [Member] Canadian Check Cashing Company [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Purchase Price Allocation, Deferred Income Taxes, Asset (Liability), Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Business Acquisition, Cost of Acquired Entity, Cash Paid Payments to Acquire Businesses, Gross Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Business combination, step acquisition, equity interest in acquiree, percentage Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage Acquisition-related contingent consideration gain Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Escrow Deposit Escrow Deposit Property, Plant and Equipment, Useful Life, Minimum Property, Plant and Equipment, Useful Life Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Acquisition, Goodwill, Expected Tax Deductible Amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Employee Stock [Member] Employee Stock [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] Performance-based Restricted Stock [Member] Performance-based Restricted Stock [Member] Performance-based Restricted Stock [Member] Time-based restricted stock [Member] Time-based restricted stock [Member] Time-based restricted stock [Member] Stock Option [Member] Equity Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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 Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense 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 [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 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 [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period 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 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price 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, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 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, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 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, 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, total compensation cost not yet recognized, total period for recognition Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term 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] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateWeightedAverage ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateWeightedAverage ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateWeightedAverage Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share-base compensation arrangement by share-based payment award, FV assumptions, forfeitures Share-base compensation arrangement by share-based payment award, FV assumptions, forfeitures Share-base compensation arrangement by share-based payment award, FV assumptions, forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Share-based compensation arrangments by share-based payment award options grant date fair value Share-based compensation arrangments by share-based payment award, options, grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] 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, Number 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 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 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, 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, Forfeited in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value 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 Shares reserved for employee stock purchase plan Shares reserved for employee stock purchase plan Shares reserved for employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Stock Issued During Period, Shares, Employee Stock Purchase Plans Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased Share-based compensation arrangements by share-based payment award, per share, ESPP grant date fair value Share-based compensation arrangements by share-based payment award, per share, ESPP grant date fair value Share-based compensation arrangements by share-based payment award, per share, ESPP grant date weighted-average fair value Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Repayments of Convertible Debt Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Acquisitions [Text Block] Business Combination Disclosure [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] 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] ATMs [Member] Computers and software [Member] Computers and software [Member] Computers and software [Member] 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] Guarantees [Abstract] GUARANTEES Commitments Disclosure [Text Block] Income Tax Disclosure [Abstract] Income taxes [Table] Income taxes [Table] Income taxes [Table] Expiration Date [Axis] Expiration Date [Axis] Expiration date [Domain] expiration date [Domain] expiration date [Domain] Expiring in One Year [Member] Expiring in One Year [Member] Expiring in Two Years [Member] Expiring in Two Years [Member] Expiring in Three Years [Member] Expiring in Three Years [Member] Expiring in Four Years [Member] Expiring in Four Years [Member] Expiring in Five Years [Member] Expiring in Five Years [Member] Expiring in More than Five Years [Member] Expiring in More than Five Years [Member] Not Subject to Expiration [Member] Not Subject to Expiration [Member] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] US Federal and Foreign [Member] US Federal and Foreign [Member] State and Local Jurisdiction [Member] State and Local Jurisdiction [Member] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] UNITED STATES Other Credit Derivatives [Member] Foreign Tax Authority [Member] Income taxes [Line Items] Income taxes [Line Items] Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract] Income (Loss) before Income Taxes, United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Income before Income Taxes, Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Income Tax Expense (Benefit) Current Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Income tax expense Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Income Tax Expense, Income Tax Reconciliation [Abstract] Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Effective Income Tax Rate Reconciliation, State and Local Income Taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount Effective Income tax reconciliation, other permanent differences Income tax reconciliation, other permanent differences Income tax reconciliation, other permanent differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Effective Income Tax Reconciliation, Tax Contingencies, Foreign Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Effective Income Tax Rate Reconciliation, Contingent Gain Effective Income Tax Rate Reconciliation, Contingent Gain Effective Income Tax Rate Reconciliation, Contingent Gain Effective Income Tax Rate Reconciliation, Other Adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent Components of Deferred Tax Assets and Liabilities [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards 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 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 Deferred tax assets, intercompany notes Deferred tax assets, intercompany notes Deferred tax assets, intercompany notes Deferred Tax Assets, Other Deferred Tax Assets, Other Deferred Tax Assets, Gross Deferred Tax Assets, Gross Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets Deferred Tax Liabilities, Intangible Assets Deferred Tax Liabilities, Goodwill and Intangible Assets, Goodwill Deferred Tax Liabilities, Goodwill Deferred tax liabilities, accrued expenses Deferred tax liabilities, accrued expenses Deferred tax liabilities, accrued expenses Deferred tax liabilities, intercompany notes Deferred tax liabilities, intercompany notes Deferred tax liabilities, intercompany notes Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Other Deferred Tax Liabilities, Other Deferred Tax Liabilities Deferred Tax Liabilities, Net Deferred Tax Assets (Liabilities), Net Deferred Tax Assets, Net Excluded tax benefit of share-based compensation net operating losses Excluded tax benefit of share-based compensation Excluded tax benefit of share-based compensation Operating Loss Carryforwards Operating Loss Carryforwards Operating Loss Carryforward, Tax Effected Operating Loss Carryforward, Tax Effected Operating Loss Carryforward, Tax Effected Undistributed earnings of foreign subsidiaries indefinitely reinvested Undistributed earnings of foreign subsidiaries indefinitely reinvested Undistributed earnings of foreign subsidiaries indefinitely reinvested 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] Unrecognized Tax Benefits Period Start Unrecognized Tax Benefits Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits Period End 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 Schedule of Capital Leased Asssets [Table Text Block] Schedule of Capital Leased Assets [Table Text Block] Future minimum lease payments for operating and capital leases [Table Text Block] Future minimum lease payments for operating and capital leases [Table Text Block] Future minimum lease payments for operating and capital leases [Table Text Block] Derivative Instruments and Hedges, Assets [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Preferred Stock Purchase Rights [Abstract] Preferred Stock Purchase Rights [Abstract] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series A Junior Participating Preferred Stock [Member] Series A Junior Participating Preferred Stock [Member] Series A Junior Participating Preferred Stock [Member] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Number of rights attached to each share of common stock Number of rights attached to each share of common stock The number of rights attached to each share of the company's common stock pursuant to the rights agreement. Number of days following public announcement that the rights to become exercisable (in number of days Number of days following public announcement that the rights to become exercisable (in number of days Number of days following public announcement that a person or group has acquired, or obtained the right to acquire, beneficial ownership of 20% of more of the entity's outstanding common stock shares for the rights to become exercisable (in number of days) Beneficial ownership by a person or group of affiliated persons before rights become exercisable (as a percent) Beneficial ownership by a person or group of affiliated persons before rights become exercisable (as a percent) Beneficial ownership by a person or group of affiliated persons before rights become exercisable (as a percent) Number of days following the commencement of a tender offer or exchange offer that the rights to become exercisable (in number of days) Number of days following the commencement of a tender offer or exchange offer that the rights to become exercisable (in number of days) Number of days following the commencement of a tender offer or exchange offer resulting in a person or group becoming an Acquiring Person for the rights to become exercisable (in number of days) Fraction of newly issued share of Series A Junior Participating Preferred Stock that could be purchased for each Right Fraction of newly issued share of Series A Junior Participating Preferred Stock that could be purchased for each Right Fraction of newly issued share of Series A Junior Participating Preferred Stock that could be purchased for each Right Series A Junior Participating Preferred Stock, Purchase Price Series A Junior Participating Preferred Stock, Purchase Price The purchase price of a an exercise right associated with Series A Junior Participating Preferred Stock at the option of the issuer. Income Statement [Abstract] Revenues Revenue, Net Operating expenses: Costs and Expenses [Abstract] Direct operating costs Cost of Goods and Services Sold Salaries and benefits Labor and Related Expense Selling, general and administrative Selling, General and Administrative Expense Goodwill and acquired intangible assets impairment Goodwill and Intangible Asset Impairment Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Total operating expenses Costs and Expenses Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense Interest Expense Income from unconsolidated affiliates Income (Loss) from Equity Method Investments Other gains, net Other Nonoperating Income (Expense) Loss on early retirement of debt Foreign currency exchange gain (loss), net Foreign Currency Transaction Gain (Loss), before Tax Other expense, net Nonoperating Income (Expense) Income tax expense Less: Net loss (income) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Euronet Worldwide, Inc. Net Income (Loss) Attributable to Parent Earnings per share attributable to Euronet Worldwide, Inc. stockholders - basic Earnings Per Share, Basic Earnings per share attributable to Euronet Worldwide, Inc. stockholders - diluted Earnings Per Share, Diluted Weighted average shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Derivative Instruments and Hedging Activities Disclosure Fair Value [Abstract] Derivative Instruments and Hedging Activities Disclosure Fair Value [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Position [Axis] Position [Axis] Position [Domain] Position [Domain] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Derivative Assets, Fair Value Of Derivative Assets Offset Against Liabilities Derivative Assets, Fair Value Of Derivative Assets Offset Against Liabilities Gross amounts of derivative assets offsetting gross derivative liabilities balances within the Balance Sheets. Derivative Asset Derivative Asset Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Derivative Liabilities, Fair Value Of Derivative Liabilities Offset Against Derivative Assets Derivative Liabilities, Fair Value Of Derivative Liabilities Offset Against Derivative Assets Gross amounts of derivative liabilities offsetting gross derivative assets balances within the Balance Sheets. Derivative Liability Derivative Liability Leases of Lessee Disclosure [Text Block] Leases of Lessee Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] COMPUTER SOFTWARE TO BE SOLD [Abstract] COMPUTER SOFTWARE TO BE SOLD [Abstract] Schedule of Capitalized Software Development Costs [Table Text Block] Schedule of Capitalized Software Development Costs [Table Text Block] Schedule of Capitalized Software Development Costs [Table Text Block] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Income Statement Location [Axis] Income Statement Location [Axis] Foreign Currency Gain (Loss) [Member] Foreign Currency Gain (Loss) [Member] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Gain (Loss) on Derivative Instruments, Net, Pretax Gain (Loss) on Derivative Instruments, Net, Pretax Goodwill and Acquired Intangible Assets Net [Abstract] Goodwill And Acquired Intangible Assets, Net. Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Intangible Assets and Goodwill [Table Text Block] Contingencies [Abstract] Contingencies. Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Percent of European business impacted by computer security breach Percent of European business impacted by computer security breach Percent of European business impacted by computer security breach Computer security breach expenses Computer security breach expenses Computer security breach expenses Insurance Recoveries Insurance Recoveries Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Weighted average number diluted shares outstanding adjustment Weighted Average Number Diluted Shares Outstanding Adjustment Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Weighted average shares outstanding - diluted Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Related Party Transactions Disclosure [Text Block] Related Party Transactions Disclosure [Text Block] INCOME TAXES Income Tax Disclosure [Text Block] Schedule of Capitalized Software Development Costs [Table] Schedule of Capitalized Software Development Costs [Table] Schedule of Capitalized Software Development Costs [Table] Capitalized software development [Axis] Capitalized software development [Axis] Capitalized software development [Axis] Capitalized software development [Domain] Capitalized software development [Domain] Capitalized software development [Domain] Capitalized software development [Line Items] Capitalized software development [Line Items] Capitalized software development [Line Items] Movement in Capitalized Computer Software, Net [Roll Forward] Movement in Capitalized Computer Software, Net [Roll Forward] Capitalized Software Development Costs, Net Period Start Capitalized Software Development Costs, Net Capitalized Software Development Costs, Net Capitalized Software Development Costs, Additions Capitalized Software Development Costs, Additions Capitalized Software Development Costs, Additions Capitalized Software Development Costs, Amortization Capitalized Software Development Costs, Amortization Capitalized Software Development Costs, Amortization Capitalized Software Development Costs, Net Period End Research and Development Expense, Software (Excluding Acquired in Process Cost) Research and Development Expense, Software (Excluding Acquired in Process Cost) Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of Guarantor Obligations [Table] Schedule of Guarantor Obligations [Table] Financial Instruments Owned and Pledged as Collateral by Type [Axis] Financial Instruments Owned and Pledged as Collateral, Type [Domain] Cash and Cash Equivalents [Member] Guarantor Obligations by Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Performance Guarantee [Member] Performance Guarantee [Member] Indemnification Agreement [Member] Indemnification Agreement [Member] Guarantee Type, Other [Member] Guarantee Type, Other [Member] Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Pledged Assets, Not Separately Reported, Other Pledged Assets, Not Separately Reported, Other Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Fair Value Measurements [Abstract] Fair Value Measurements. Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Carrying (Reported) Amount, Fair Value Disclosure [Member] Reported Value Measurement [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Inventory - PINs and other Inventory, Net Trade accounts receivable, net of allowances for doubtful accounts of $22,079 at December 31, 2013 and $21,512 at December 31, 2012 Accounts Receivable, Net, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net of accumulated depreciation of $231,327 at December 31, 2013 and $207,282 at December 31, 2012 Property, Plant and Equipment, Net Goodwill Goodwill Acquired intangible assets, net of accumulated amortization of $132,927 at December 31, 2013 and $140,829 at December 31, 2012 Finite-Lived Intangible Assets, Net Other assets, net of accumulated amortization of $25,363 at December 31, 2013 and $24,247 at December 31, 2012 Other Assets, Noncurrent Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Trade accounts payable Accounts Payable, Trade, Current Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities. Current portion of capital lease obligations Short-term debt obligations and current maturities of long-term debt obligations Debt, Current Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Debt obligations, net of current portion Capital lease obligations, net of current portion Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 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; 54,276,761 issued at December 31, 2013 and 52,976,558 issued at December 31, 2012 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost, 3,650,519 shares at December 31, 2013 and 3,653,958 shares at December 31, 2012 Treasury Stock, Value Accumulated deficit Retained Earnings (Accumulated Deficit) 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 Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Selected Quarterly Data [Abstract] Selected Quarterly Data [Abstract] Summary Of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Information [Table Text Block] PROPERTY AND EQUIPMENT, NET [Abstract] PROPERTY AND EQUIPMENT, NET [Abstract] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract] Other Liabilities Disclosure [Text Block] Other Liabilities Disclosure [Text Block] DEBT OBLIGATIONS Debt Disclosure [Text Block] Segment Information [Abstract] Segment Information. Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Restricted Assets Disclosure [Text Block] Restricted Assets Disclosure [Text Block] Research, Development, and Computer Software Disclosure [Text Block] Research, Development, and Computer Software Disclosure [Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] 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] 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 [Policy Text Block] Other assets policy [Policy Text Block] Other assets policy - deferred financing costs, investments in unconsolidated affiliates, capitalized software development costs and capitalized payments for new or renewed contracts, contract renewals and customer conversion costs. [Policy Text Block] Software to be Sold, Leased, or Otherwise Marketed, Policy [Policy Text Block] Software to be Sold, Leased, or Otherwise Marketed, Policy [Policy Text Block] Internal Use Software, Policy [Policy Text Block] Internal Use Software, Policy [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] Presentation of taxes collected and remitted to government authorities policy [Policy Text Block] Presentation of taxes collected and remitted to government authorities policy [Policy Text Block] Presentation of taxes collected and remitted to government authorities policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Derivatives, Methods of Accounting, Hedging Derivatives [Policy Text Block] Derivatives, Methods of Accounting, Hedging Derivatives [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] BASIS OF PREPARATION [Abstract] BASIS OF PREPARATION [Abstract] Basis of Preparation and Seasonality [Text Block] Basis of Accounting [Text Block] Significant Accounting Policies and Practices Goodwill Impairment [Abstract] Significant Accounting Policies and Practices Goodwill Impairment [Abstract] Schedule of Goodwill and Aquired Intangible Assets [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill, Impairment Loss Goodwill, Impairment Loss Impairment of Intangible Assets, Finite-lived Impairment of Intangible Assets, Finite-lived Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [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] Segments [Axis] Segments [Domain] Money Transfer Segment [Member] Money Transfer Segment. Convertible Debt, Fair Value Disclosures Convertible Debt, Fair Value Disclosures Foreign Currency Derivatives LIabilities, Net Foreign Currency Derivatives LIabilities, net Fair value as of the balance sheet date of foreign currency derivative liabilities, net of foreign currency derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. Foreign Currency Derivatives at Fair Value, Net Foreign Currency Derivatives at Fair Value, Net Schedule of Restricted Cash and Cash Equivalents [Table Text Block] Schedule of Restricted Cash and Cash Equivalents [Table Text Block] Derivative Instruments Financial Information [Abstract] Derivative Instruments Financial Information [Abstract] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative, Notional Amount Derivative, Notional Amount Foreign currency forward contract term Foreign currency forward contract term Foreign currency forward contract term, in days Derivative, Average Remaining Maturity Derivative, Average Remaining Maturity Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment Disclosure [Text Block] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Change in fair value - foreign currency gain,net Change in fair value - foreign currency gain,net Fair value measurement with unobservable inputs reconciliation recurring basis liability foreign currency. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Statement of Cash Flows [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Share-based compensation Share-based Compensation Unrealized foreign exchange gain (loss), net Foreign Currency Transaction Gain (Loss), Unrealized Non-cash impairment of goodwill and acquired intangible assets Other gains Other Noncash Income (Expense) Deferred income taxes Deferred Income Taxes and Tax Credits Income from unconsolidated affiliates Accretion of convertible debentures discount and amortization of debt issuance costs Accretion of convertible debentures discount and amortization of debt issuance costs Accretion of convertible debentures discount and amortization of debt issuance costs. Loss on early retirement of debt Loss on early retirement of debt Loss on early retirement of debt Changes in working capital, net of amounts acquired: Increase (Decrease) in Operating Capital [Abstract] Income taxes payable, net Increase (Decrease) in Income Taxes Payable Restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Inventory - PINs and other Increase (Decrease) in Inventories Trade accounts receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Deferred revenue Increase (Decrease) in Deferred Revenue Accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Changes in noncurrent assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net 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 Purchases of property and equipment Payments to Acquire Property, Plant, 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 Repurchase of shares Borrowings from revolving credit agreements Proceeds from Lines of Credit Repayments of revolving credit agreements Repayments of Lines of Credit Proceeds from long-term debt obligations Proceeds from Issuance of Long-term Debt Repayments of long-term debt obligations Repayments of Other Long-term Debt Repayments of capital lease obligations Repayments of Long-term Capital Lease Obligations Net borrowing from short-term debt obligations Proceeds from (Repayments of) Short-term Debt Purchase of subsidiary shares from noncontrolling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Payment of acquisition contingent consideration Payment of acquisition contingent consideration Payment of acquisition contingent consideration - financing portion Other, net Proceeds from (Payments for) Other Financing Activities Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Interest paid during the period Interest Paid Income taxes paid during the period Income Taxes Paid Equity issued in connection with acquisition Stock Issued During Period, Value, Acquisitions Contingent consideration in connection with acquisition Non-cash contingent consideration Non-cash contingent consideration Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Epay Segment [Member] Epay Segment [Member] Epay Segment. Land and buildings [Member] Land and Building [Member] Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and Equipment, net Depreciation, Depletion and Amortization Depreciation FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] SELECTED QUARERLY DATA (UNAUDITED) [Abstract] SELECTED QUARERLY DATA (UNAUDITED) [Abstract] Revenues (quarterly) Operating income (loss) (quarterly) Net income (loss) Net income attributable to Euronet Worldwide, Inc. (quarterly) Earnings (loss) per share, basic (quarterly) Earnings (loss) per share, diluted (quarterly) Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical [Abstract] Allowance for doubtful accounts receivable Allowance for Doubtful Accounts Receivable, Current Property and equipment, accumulated depreciation Acquired intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Other assets, accumulated amortization Accumulated amortization on other assets Accumulated amortization on 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 Treasury stock, shares Treasury Stock, Shares Consolidated Statements of Changes in Equity [Abstract] Consolidated Statements of Changes in Equity [Abstract] Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total Euronet Worldwide, Inc stockholders' equity Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired No. of Shares Outstanding Period End Common Stock, Shares, Outstanding No. of Shares Outstanding Period End Net income attributable to Euronet Worldwide, Inc. Stock issued under employee stock plans, value Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Share-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Net Income (Loss) Attributable to Noncontrolling Interest Shares issued in connection with acquisition Stock Issued During Period, Value, Acquisitions Other Comprehensive Income (Loss) Other Comprehensive Income (Loss), Net of Tax Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Acquisition of noncontrolling interest Stockholders' Equity, Other Stockholders' Equity, Other Total Euronet Worldwide, Inc stockholders' equity Eft Processing Segment [Member] EFT Processing Segment. epay Australia [Member] [Member] epay Australia [Member] epay Australia epay Spain [Member] epay Spain [Member] epay Spain [Member] Finite-Lived Customer Relationships, Gross Finite-Lived Customer Relationships, Gross Finite lived trademarks and trade names Finite lived trademarks and trade names, Gross Finite lived trademarks and trade names, Gross Finite-Lived Computer Software, Gross Capitalized Computer Software, Gross Finite-Lived Noncompete Agreements, Gross Finite-Lived Noncompete Agreements, Gross Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Acquired intangible assets, accumulated amortization Future Amortization Expense, Year One Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Future Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Two Future Amortization Expense, Year Three 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 Finite-Lived Intangible Assets, Amortization Expense, Year Five Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward] Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward] Finite-Lived Intangible Assets, Net Finite-lived intangible assets acquired during period Finite-lived intangible assets acquired during period Finite-lived intangible assets acquired during period Finite-Lived Intangible Assets, Amortization Expense Amortization of Intangible Assets Finite-lived intangible assets, other changes Finite-lived intangible assets, other changes Finite-lived intangible assets, other changes (primarily changes in foreign currency exchange rates) Goodwill, Acquired During Period Goodwill, Acquired During Period Goodwill, Impairment Loss Goodwill, Other Changes Goodwill, Other Changes Total intangible assets, net, including goodwill Total intangible assets, net, including goodwill Total intangible assets, net, including goodwill Total intangible assets acquired during period Total intangible assets acquired during period Total intangible assets acquired during period Goodwill and acquired intangible assets impairment Total intangible assets amortization expense Total intangible assets amortization expense Total intangible assets amortization expense Total intangible assets, other changes Total intangible assets, other changes Total intangible assets, including goodwill, other changes (primarily changes in foreign currency exchange rates) Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] 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] Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] Summary of Income Tax Examinations [Table Text Block] Summary of Income Tax Examinations [Table Text Block] Schedule of Weighted Average Number of Shares [Table Text Block] Accrued expenses, current Accrued Liabilities, Current Accrued amounts due to mobile operators and other content providers Accrued amounts due to mobile operators Accrued amounts due to mobile operators Money transfer settlement obligations Settlement Liabilities, Current Deferred tax liabilities, current Deferred Tax Liabilities, Net, Current Accrued expenses and other current liabilities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] AUSTRALIA UNITED KINGDOM GERMANY POLAND SPAIN BRAZIL BRAZIL ITALY INDIA Other geographic locations [Member] Other geographic locations [Member] Segment Reporting Information, by Segment [Axis] Reporting Segment [Domain] Unallocated Amount to Segment, Intersegment Eliminations and Other [Member] Unallocated Amount to Segment, Intersegment Eliminations and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Total operating expenses Operating income Other gains Other expense, net Income before income taxes Property and Equipment, net Total Assets Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Share Repurchases [Abstract] Share Repurchases [Abstract] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2011 Share Repurchase Plan [Member] 2011 Share Repurchase Plan [Member] 2011 Share Repurchase Plan [Member] 2013 Share Repurchase Plan [Member] [Member] 2013 Share Repurchase Plan [Member] [Member] 2013 Share Repurchase Plan [Member] [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Treasury Stock, Shares, Acquired Treasury Stock, Value, Acquired, Cost Method 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 Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Allowance for doubtful accounts receivable, period start Additions-charged to expense Valuation Allowances and Reserves, Charged to Cost and Expense Amounts written off Valuation Allowances and Reserves, Deductions Other (primarily changes in foreign currency exchange rates) Valuation Allowances and Reserves, Adjustments Allowance for doubtful accounts receivable, period end Significant Accounting Policies and Practices Revenue [Abstract] Significant Accounting Policies and Practices Revenue [Abstract] Software Arrangements [Table] Revenue Earned In Excess of Billed [Table] Revenue Earned In Excess of Billed [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Software License Arrangement [Member] Software License Arrangement [Member] Software Arrangements [Line Items] Revenue Earned In Excess of Billed [Line Items] [Line Items] for Revenue Earned In Excess of Billed [Table] Unbilled receivables Unbilled Contracts Receivable Deferred revenue Deferred Revenue Preferred Stock [Abstract] Preferred Stock [Abstract] Commitments and Contingencies Disclosure [Abstract] CONTINGENCIES Commitments and Contingencies Disclosure [Text Block]