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Assets [Abstract] Retirement Benefits [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Remaining performance obligation, percent to be recognized over next twelve months Revenue, Remaining Performance Obligation, Percentage CSS deposits Deposit Liability, Current Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Phantom shares issuable (in shares) Dividends, Common Stock, Stock, Issuable Dividends, Common Stock, Stock, Issuable Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Payments to acquire equity method investments Payments to Acquire Equity Method Investments Deferred compensation plan Bonus plan compensation expense Deferred compensation plan (income) expense Deferred Compensation Arrangement with Individual, Compensation Expense Other liabilities Other Liabilities, Noncurrent Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Loss from investment accounted for using the equity method, net of tax Loss from investment accounted for using the equity method, net of tax Income (Loss) from Equity Method Investments Hosted Software Solutions Hosted Software Solutions [Member] Hosted Software Solutions Company's adjusted Management Reported Operating Income (MORI) threshold for bonus plan percentage (up to) Deferred Compensation Arrangement With Individual, Management Report Operating Income Funding Threshold Deferred Compensation Arrangement With Individual, Management Report Operating Income Funding Threshold Borrowings guaranteed through stock of foreign subsidiaries percentage Line of Credit Facility, Borrowings Guaranteed through Stock of Foreign Subsidiaries, Percentage Line of Credit Facility, Borrowings Guaranteed through Stock of Foreign Subsidiaries, Percentage Purchases of property and equipment and investment in capitalized software Payments to Acquire Property, Plant, and Equipment Research and development Research and Development Expense [Member] Escrow deposit Escrow Deposit Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Long-term purchase commitment, amount Long-Term Purchase Commitment, Amount Deferred compensation plan liabilities Deferred Compensation Liability, Fair Value Disclosure Deferred Compensation Liability, Fair Value Disclosure Executive Bonus Plan Compensation Related Costs, General [Text Block] Weighted Average Weighted Average [Member] Schedule of Net Income Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Americas United States, Canada, And Latin America [Member] United States, Canada, And Latin America Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cost of revenues: Cost of Sales [Member] Customer [Domain] Customer [Domain]