Consolidated Statements of Income Statement [Table] Statement [Table] Segment Reporting Information, by Segment [Axis] Segment Reporting Information, by Segment [Axis] Reporting Segment [Domain] Reporting Segment [Domain] Eft Processing Segment [Member] Eft Processing Segment [Member] EFT Processing Segment. Epay Segment [Member] Epay Segment [Member] Epay Segment. Money Transfer Segment [Member] Money Transfer Segment [Member] Money Transfer Segment. Statement [Line Items] Statement [Line Items] Revenues: Sales Revenue, Net [Abstract] Total revenues Sales 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 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 Gain on dispute settlement Gain Loss Related To Litigation Settlement Foreign currency exchange gain (loss), net Foreign Currency Transaction Gain (Loss), before Tax Other income (expense), net Nonoperating Income (Expense) Income before income taxes Income (loss) from continuing operations before income taxes Income Loss From Continuing Operations Before Income Taxes. Income tax expense Income Tax Expense (Benefit) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: Net 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 Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Earnings per share attributable to Euronet Worldwide, Inc. stockholders - diluted Earnings Per Share, Diluted Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Fair Value Measurements [Abstract] Fair Value Measurements. FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Statement of Cash Flows [Abstract] Statement, Scenario [Axis] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] 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 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. Changes in working capital, net of amounts acquired: Increase (Decrease) in Operating Capital [Abstract] Income taxes payable, net Increase (Decrease) in Accrued 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, Deferred 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] 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 Borrowings from revolving credit agreements classified as non-current liabilities Proceeds from Long-term Lines of Credit Repayments of revolving credit agreements classified as non-current liabilities Repayments of Long-term 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 Other, net Proceeds from (Payments for) Other Financing Activities Net cash used in 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 (includes cash of discontinued operations of $552 in 2009) Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period (includes cash of discontinued operations of $1,389 in 2009) Interest paid during the period Interest Paid Income taxes paid during the period Income Taxes Paid Guarantees [Abstract] Guarantees. GUARANTEES Schedule of Guarantor Obligations [Text Block] Contingencies [Abstract] Contingencies. CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Segment Information [Abstract] Segment Information. SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Goodwill and Acquired Intangible Assets Net [Abstract] Goodwill And Acquired Intangible Assets, Net. GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Income Taxes [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Debt Obligations [Abstract] Debt Obligations. DEBT OBLIGATIONS Debt Disclosure [Text Block] Consolidated Statements of Comprehensive Income (Loss) [Abstract] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Translation adjustment Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax Gain on investment securities Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification adjustment related to sale of investment securities Other Comprehensive Income, Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax Unrealized gain on interest rate swaps Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Comprehensive income Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income attributable to noncontrolling interests Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to Euronet Worldwide, Inc. Comprehensive Income, Net of Tax, Attributable to Parent Summary of Significant Accounting Policies and Practices [Abstract] Summary Of Significant Accounting Policies And Practices. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES Significant Accounting Policies [Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Restricted cash Restricted Cash and Cash Equivalents, Current Inventory - PINs and other Inventory, Net Trade accounts receivable, net of allowances for doubtful accounts of $15,117 at September 30, 2010 and $13,909 at December 31, 2009 Accounts Receivable, Net, Current Prepaid expenses and other current assets Prepaid Expenses And Other Current Assets Prepaid expenses and other current assets. Total current assets Assets, Current Property and equipment, net of accumulated depreciation of $165,542 at September 30, 2010 and $153,255 at December 31, 2009 Property, Plant and Equipment, Net Goodwill Goodwill Acquired intangible assets, net of accumulated amortization of $104,261 at September 30, 2010 and $88,924 at December 31, 2009 Finite-Lived Intangible Assets, Net Other assets, net of accumulated amortization of $19,786 at September 30, 2010 and $16,866 at December 31, 2009 Other Assets, Noncurrent Total assets Assets LIABILITIES AND EQUITY Liabilities and Stockholders' 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, 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; 51,294,128 issued at September 30, 2010 and 51,101,833 issued at December 31, 2009 Common Stock, Value, Issued Additional paid-in-capital Additional Paid in Capital, Common Stock Treasury stock, at cost, 480,292 shares at September 30, 2010 and 241,644 shares at December 31, 2009 Treasury Stock, Value Accumulated deficit Retained Earnings (Accumulated Deficit) Restricted reserve Restricted Reserve Restricted reserve. Accumulated other comprehensive income 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 Stockholders' Equity General [Abstract] GENERAL Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Derivative Instruments and Hedging Activities [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Allowances for doubtful trade accounts receivables Allowance for Doubtful Accounts Receivable, Current Accumulated depreciation on property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated amortization on acquired intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization on other assets Accumulated amortization on other assets Accumulated amortization on other assets. Preferred Stock, par value 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 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 at cost, shares Treasury Stock, Shares Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Document Information [Table] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date 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 Filer Category Entity Filer Category Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding