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The services may include training, installation, engineering or consulting. 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Securities, Available-for-Sale, Allowance for Credit Loss [Line Items] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Prepaid Expense and Other Assets Prepaid Expense and Other Assets Share-based Compensation Arrangements 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 Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Total Short-Term Available-for-Sale [Domain] Total Short-Term Available-for-Sale [Domain] 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Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Non-US Non-US [Member] Noncash or Part Noncash Acquisition, Intangible Assets Acquired Noncash or Part Noncash Acquisition, Intangible Assets Acquired Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Liabilities and Equity Liabilities and Equity Share-based Payment Arrangement, Option [Member] Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Additional Paid in Capital Additional Paid in Capital Unrealized Gain (Loss) on Investments [Table Text Block] Unrealized Gain (Loss) on Investments [Table Text Block] Payments to Acquire Held-to-maturity Securities Payments to Acquire Held-to-Maturity Securities Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Long-term Debt [Text Block] Long-Term Debt [Text Block] Short-Term Investments Short-Term Investments [Member] Other Operating Income (Expense), Net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] 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, 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 General and Administrative Expense 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Segments [Member] Other Operating Segment [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Debt Securities, Available-for-Sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Short-term Investments Short-Term Investments Subscription business [Member] Subscription business [Member] Subscription business [Member] Name Trading Arrangement, Individual Name Cash and Cash Equivalent Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization Investment Duration [Domain] Investment Duration [Domain] Investment Duration [Domain] Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One 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 Line of Credit Facility, Fair Value of Amount Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Income Tax Expense (Benefit) Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Noncash or Part Noncash Acquisition, Intangible Assets Acquired, Direct Transaction Costs Noncash or Part Noncash Acquisition, Intangible Assets Acquired, Direct Transaction Costs Noncash or Part Noncash Acquisition, Intangible Assets Acquired, Direct Transaction Costs Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Certificates of Deposit [Member] Certificates of Deposit [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other Long-Term Investments Other Long-Term Investments [Member]