Commitments Disclosure [Abstract] Commitments Disclosure [Abstract] Other Commitments [Table] Other Commitments [Table] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Other Commitments [Line Items] Other Commitments [Line Items] Commitments Commitments Disclosure [Text Block] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivative Instruments, (Loss) Gain [Line Items] Derivative Instruments, Gain (Loss) [Line Items] 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] Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents, Current Inventory - PINs and other Inventory, Net Trade accounts receivable, net of allowances for doubtful accounts of $20,687 at September 30, 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 $232,547 at September 30, 2013 and $207,282 at December 31, 2012 Property, Plant and Equipment, Net Goodwill Goodwill Acquired intangible assets, net of accumulated amortization of $157,722 at September 30, 2013 and $140,829 at December 31, 2012 Finite-Lived Intangible Assets, Net Other assets, net of accumulated amortization of $24,645 at September 30, 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 Capital Lease Obligations, Current Short-term debt obligations and current maturities of long-term debt obligations Long-term Debt, Current Maturities Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Debt obligations, net of current portion Long-term Debt, Excluding Current Maturities Capital lease obligations, net of current portion Capital Lease Obligations, Noncurrent 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; 53,891,965 issued at September 30, 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, 3,676,370 shares at September 30, 2013 and 3,653,958 shares at December 31, 2012 Treasury Stock, Value Accumulated deficit Retained Earnings (Accumulated Deficit) Restricted reserve Restricted reserve Restricted reserve. 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 Derivative Financial Instruments - Additional Information [Abstract] Derivative Financial Instruments - Additional Information [Abstract] Derivative Financial Information [Table] Derivative [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Foreign Exchange Contracts [Member] Foreign Exchange Contract [Member] Derivative Financial Information [Line Items] Derivative [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 Balance Sheet Parentheticals [Abstract] Balance Sheet Parentheticals [Abstract] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Allowance for Doubtful Accounts Receivable Allowance for Doubtful Accounts Receivable, Current Accumulated depreciation of property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated amortization of intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization of other assets Accumulated amortization of other assets 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 Treasury Stock, shares Treasury Stock, Shares DEBT OBLIGATIONS [Abstract] DEBT OBLIGATIONS [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Reference rate [Axis] Reference rate [Axis] Reference Rate [Domain] Reference Rate [Domain] Sublimit [Axis] Sublimit [Axis] Sublimit [Domain] Sublimit [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Convertible Debt [Member] Convertible Debt [Member] Line of Credit [Member] Other Debt [Member] Other Debt [Member] Capital Lease Obligations [Member] Loans Payable [Member] Total debt [Member] Total debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Total Debt [Roll Forward] Total Debt [Roll Forward] Line of Credit Facility, Amount Outstanding Line of Credit Facility, Amount Outstanding Short-term Debt Short-term Debt Capital Lease Obligations Capital Lease Obligations Convertible Debt Convertible Debt Loans Payable to Bank Loans Payable to Bank Debt and Capital Lease Obligations Debt and Capital Lease Obligations Debt instrument, Net borrowings (repayments) Debt instrument, Net borrowings (repayments) Debt instrument, Net borrowings (repayments) Capital Leases, Income Statement, Interest Expense Capital Leases, Income Statement, Interest Expense Debt Instrument, Increase (Decrease), Other, Net Debt Instrument, Increase (Decrease), Other, Net Other debt, current Other debt, current Other debt, current Capital Lease Obligations, Current Loans Payable to Bank, Current Loans Payable to Bank, Current Debt, Current Debt, Current Long-term Line of Credit, Noncurrent Long-term Line of Credit, Noncurrent Capital Lease Obligations, Noncurrent Loans Payable to Bank, Noncurrent Loans Payable to Bank, Noncurrent Debt, noncurrent Debt, noncurrent Debt, noncurrent Repayments of Convertible Debt Repayments of Convertible Debt Debt Instrument, Convertible, Interest Expense Interest Expense, Debt Debt Instrument, Interest Rate During Period Debt Instrument, Interest Rate During Period Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Litigation and Contingencies Legal Matters and Contingencies [Text Block] Statement of Comprehensive Income [Abstract] 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 (income) loss 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 Acquisitions [Abstract] Acquisitions [Abstract] Acquisitions Business Combination Disclosure [Text Block] Document and Entity Information [Abstract] Document and Entity Information. Entities [Table] Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] 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 Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Organization, Consolidation and Presentation of Financial Statements [Abstract] GENERAL Organization, Consolidation and Presentation of Financial Statements 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 Debt [Table Text Block] Schedule of Debt [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Pure Commerce Pty Ltd [Member] Pure Commerce Pty Ltd [Member] Pure Commerce Pty Ltd [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [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] Contingent consideration obligation at fair value - date of acquisition Business Combination, Contingent Consideration, Liability 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. Change in fair value - unobservable inputs Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Contingent consideration obligation at fair value Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 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 Measurement [Domain] Fair Value Measurement [Domain] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] 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] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Derivatives Assets at Fair Value, Net Foreign Currency Derivatives at Fair Value, Net Derivative Liabilities at Fair Value, 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. Convertible Debt, Fair Value Disclosures Convertible Debt, Fair Value Disclosures Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative Assets, Fair Value, Gross Assets 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 Assets, Net Derivative Asset Derivative Liabilities, Fair Value, Gross Liabilities 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 Liabilities, Net Derivative Liability Stockholders' Equity [Table] Rights Agreement [Table] Rights Agreement [Table] Stockholders' Equity [Line Items] Rights Agreement [Line Items] [Line Items] for Rights Agreement [Table] Weighted average number of shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 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 number of shares outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Repayments of Convertible Debt Contingencies [Abstract] Contingencies. 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 Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Foreign Currency Gain (Loss) [Member] Foreign Currency Gain (Loss) [Member] Loss (Gain) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Acquired Intangible Assets Net [Abstract] Goodwill And Acquired Intangible Assets, Net. Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of Intangible Assets and Goodwill [Table Text Block] Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] 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 Acquisition-related contingent consideration gain Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability 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 Other gains (losses), net Other Nonoperating Income (Expense) Foreign currency exchange gain (loss), net Foreign Currency Transaction Gain (Loss), before Tax Income from unconsolidated affiliates Income (Loss) from Equity Method Investments Other income (expense), net Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Less: Net (income) loss 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 Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Guarantee Type, Other [Member] Guarantee Type, Other [Member] Performance Guarantee [Member] Performance Guarantee [Member] Indemnification Agreement [Member] Indemnification Agreement [Member] Financial Instruments Owned and Pledged as Collateral by Type [Axis] Financial Instruments Owned and Pledged as Collateral by Type [Axis] Financial Instruments Owned and Pledged as Collateral, Type [Domain] Financial Instruments Owned and Pledged as Collateral, Type [Domain] Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Line of Credit [Member] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Pledged Assets, Not Separately Reported, Other Pledged Assets, Not Separately Reported, Other Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES Significant Accounting Policies [Text Block] Debt Disclosure [Abstract] DEBT OBLIGATIONS Debt Disclosure [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 Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships [Member] Noncompete Agreements [Member] Trade Names [Member] Trade Names [Member] Software Development [Member] Software Development [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Purchase Price Allocation, Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Acquisition, Purchase Price Allocation, Goodwill 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 Acquisition, Purchase Price Allocation, Assets Acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Acquisition, Purchase Price Allocation, Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Acquisition, Cost of Acquired Entity, Cash Paid Payments to Acquire Businesses, Gross 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 Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Contingent consideration obligation at fair value - date of acquisition Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Statement of Cash Flows [Abstract] Net income 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, net Foreign Currency Transaction Gain (Loss), Unrealized Deferred income taxes Deferred Income Tax Expense (Benefit) 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. Gain on sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Gain on step acquisition Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain 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 Proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments 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 Borrowings from revolving credit agreements Proceeds from Lines of Credit Repayments of revolving credit agreements Repayments of Lines of Credit Repayments of long-term debt obligations Repayments of Other Long-term Debt Repayments of capital lease obligations Repayments of Long-term Capital Lease Obligations Purchase of subsidiary shares from noncontrolling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Other, net Proceeds from (Payments for) Other Financing Activities Net cash used in fnancing 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 (Decrease) Increase 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 Stock Issued During Period, Value, Acquisitions Stock Issued During Period, Value, Acquisitions Non-cash contingent consideration Non-cash contingent consideration Non-cash contingent consideration Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] epay Brazil [Member] epay Brazil [Member] epay Brazil [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] 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, 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 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) Expected intangible amortization current year Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 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, Impairment Loss Goodwill, Impairment Loss Impairment of Intangible Assets, Finite-lived Impairment of Intangible Assets, Finite-lived Derivative Instruments and Hedges, Assets [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Summary of Significant Accounting Policies and Practices [Abstract] Summary Of Significant Accounting Policies And Practices. Recently Issued and Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information, by Segment [Axis] Segments [Axis] Reporting Segment [Domain] Segments [Domain] Eft Processing Segment [Member] EFT Processing Segment. Epay Segment [Member] Epay Segment. Money Transfer Segment [Member] Money Transfer Segment. 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 (expense) Preferred Stock Purchase Rights [Abstract] Preferred Stock Purchase Rights [Abstract] Class of Warrant or Right [Table] Class of Warrant or Right [Table] 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. FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] INCOME TAXES [Abstract] (10) INCOME TAXES [Abstract] Income taxes [Table] Income taxes [Table] Income taxes [Table] Income taxes [Line Items] Income taxes [Line Items] Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent adjusted effective income tax rate adjusted effective income tax rate adjusted effective income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Unrecognized Tax Benefits, Decrease Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Increases Resulting from Acquisition Unrecognized Tax Benefits, Increase Resulting from Acquisition Earnings Per Share [Abstract] Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of Weighted Average Number of Shares [Table Text Block]