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[Member] BOLTS Technologies, Inc. [Member] BOLTS Technologies, Inc. [Member] Agiletics, Inc. [Member] Agiletics, Inc. [Member] Agiletics, Inc. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Statement [Table] Statement [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Statement [Line Items] Statement [Line Items] Operating Leases, Rent Expense Operating Leases, Rent Expense, Net Lessee, Operating Lease, Term of Contract Lessee, Operating Lease, Term of Contract Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Operating Lease Liability Operating Lease, Liability Operating Lease, Liability, Current Operating Lease, Liability, Current Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Accumulated Amortization Operating Lease Right-of-use asset Accumulated Amortization Operating Lease Right-of-use asset 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Processing [Member] Processing [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Core [Member] Core Segment [Member] Core Segment [Member] Payments [Member] Payments [Member] Payments Segment [Member] Complementary [Member] Complementary [Member] Complementary Segment [Member] Corporate and Other [Member] Corporate and Other [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Cost of Revenue Cost of Revenue Research and Development Research and Development Expense Selling, General and Administrative Selling, General and Administrative Expense Total Expenses Costs and Expenses SEGMENT INCOME Gross Profit OPERATING INCOME Operating Income (Loss) INTEREST INCOME (EXPENSE) Interest Income (Expense), Net INCOME BEFORE INCOME TAXES 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Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Treasury Stock [Member] Treasury Stock [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Preferred Shares Preferred Stock, Shares Outstanding Balance, beginning of period (value) Stockholders' Equity Attributable to Parent Shares, beginning of period Common Stock, Shares, Outstanding Shares issued for equity-based payment arrangements (value) Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Shares issued for equity-based payment arrangements (shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Tax withholding related to share-based compensation Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Shares issued for Employee Stock Purchase Plan (value) Stock Issued During Period, Value, Employee Stock Purchase Plan Shares issued for Employee Stock 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Undiscounted Excess Amount Present value of lease liabilities Operating Lease Liability Option To Extend Amounts Operating Lease Liability Option To Extend Amounts Amounts of operating lease payments related to options to extend lease terms that are fairly certain of being exercised 2020 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2021 Operating Leases, Future Minimum Payments, Due in Two Years 2022 Operating Leases, Future Minimum Payments, Due in Three Years 2023 Operating Leases, Future Minimum Payments, Due in Four Years 2024 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Lease Payments Operating Leases, Future Minimum Payments Due Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events [Text Block] Segment Reporting [Abstract] Number of Reportable Segments Number of Reportable Segments Reclassification of Revenue Between Reportable Segments 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Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable, period end, weighted average exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable, period end, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Debt Disclosure [Abstract] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Fed Funds Effective Rate Overnight Index Swap Rate [Member] Fed Funds Effective Rate Overnight Index Swap Rate [Member] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Prime Rate [Member] Prime Rate [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term 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Including Capitalized Interest, Operating and Investing Activities Cover page. 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Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] 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] Cash and Cash Equivalents, Fair Value Disclosure Cash and Cash Equivalents, Fair Value Disclosure Long-lived assets held for sale, carrying value prior to impairment Long-lived assets held for sale, carrying value prior to impairment Long-lived assets held for sale, carrying value prior to impairment Long-lived assets held-for-sale Assets Held-for-sale, Long Lived, Fair Value Disclosure Impairment of Long-Lived Assets to be Disposed of Impairment of Long-Lived Assets to be 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Excluded from Computation of Earnings Per Share, Amount Statement of Financial Position [Abstract] ASSETS Assets [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Cash and cash equivalents Income tax receivable Income Taxes Receivable, Current Prepaid expenses and other Prepaid Expense and Other Assets, Current Deferred costs Deferred Costs, Current Assets held for sale Assets Held-for-sale, Not Part of Disposal Group, Current Total current assets Assets, Current PROPERTY AND EQUIPMENT, net Property, Plant and Equipment, Net OTHER ASSETS: Other Assets, Noncurrent [Abstract] Non-current deferred costs Deferred Costs, Noncurrent Computer software, net of amortization Capitalized Computer Software, Net Other non-current assets Other Assets, Noncurrent Customer relationships, net of amortization Finite-Lived Intangible Assets, Net Other intangible assets, net of amortization Other Intangible Assets, Net Total other assets Assets, Noncurrent Total assets Assets LIABILITIES AND 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Termination Period After Termination of Employment Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Termination of Employment Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Termination of Employment Termination Period After Death Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Death Share-based Compensation Arrangement by Share-based Payment Award, Termination Period After Death Termination After Grant Date Share-based Compensation Arrangement by Share-based Payment Award, Termination After Grant Date Share-based Compensation Arrangement by Share-based Payment Award, Termination After Grant Date Compensation expense not yet recognized, stock options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Weighted average remaining contractual term, stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Compensation expense yet to be recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Compensation expense yet to be recognized, period for recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized shares Preferred Stock, Shares Authorized Preferred stock, issued shares Preferred Stock, Shares Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, authorized shares Common Stock, Shares Authorized Common stock, issued shares Common Stock, Shares, Issued Treasury Stock, Shares Treasury Stock, Shares Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Capitalized Contract Cost, Net Capitalized Contract Cost, Net Capitalized Contract Cost, Amortization Capitalized Contract Cost, Amortization Maturity of Lease Liabilities Under ASC 842 [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Maturity of Lease Liabilities Under ASC 840 [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Equity [Abstract] Class of Stock Disclosures [Abstract] Class of Stock Disclosures [Abstract] Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Treasury Stock, Value Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operations and Summary of Significant Accounting Policies [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Accounting Policies [Abstract] Consolidation Consolidation, Policy [Policy Text Block] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Common Stock Stockholders' Equity, Policy [Policy Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Outsourcing & Cloud [Member] Outsourcing & Cloud [Member] Outsourcing & Cloud [Member] Product Delivery & Service [Member] Product Delivery and Service [Member] Product Delivery and Service [Member] In-House Support [Member] In-House Support [Member] In-House Support [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Income Tax Disclosure [Abstract] Effective Tax Rate Effective Income Tax Rate Reconciliation, Percent Income Taxes Paid, Net Income Taxes Paid, Net Income Taxes Paid Income Taxes Paid Unrecognized Tax Benefits Unrecognized Tax Benefits 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 Expiration of statutes of limitations impact on UTB balance Decrease in Unrecognized Tax Benefits is Reasonably Possible Purchase of Investments [Abstract] Purchase of Investments [Abstract] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Automated Bookkeeping, Inc. [Member] Automated Bookkeeping, Inc. [Member] Automated Bookkeeping, Inc. [Member] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Cost Method Investments, Original Cost Cost Method Investments, Original Cost Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block]