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Description [Table] Lessee, Lease, Description [Table] Stock-Based Compensation Share-based Payment Arrangement [Text Block] Net income Net income Net Income (Loss) Attributable to Parent Accrued social insurance adjustment Accrued social insurance adjustment Accrued Social Insurance Adjustment Accrued Social Insurance Adjustment Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] LIBOR London Interbank Offered Rate (LIBOR) [Member] Inventories and Significant Suppliers Inventory Disclosure [Text Block] Exercise price range 1 Exercise Price Range 1 [Member] Exercise Price Range 1 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Asia (excluding the PRC) Asia (excluding the PRC) Asia, Excluding The People's Republic of China [Member] Asia, Excluding The People's Republic of China Number of shares called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Developed and core technology (5-15 years) Developed Technology Rights [Member] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Income tax credits Deferred Tax Assets, Tax Credit Carryforwards Allowance for sales returns Allowance for Sales Returns Allowance for sales returns. USD/Euro Euro Member Countries, Euro Term of operating lease that has not yet commenced Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Other All other countries All Other Countries [Member] All Other Countries [Member] Indemnification period Disposal Group, Including Discontinued Operation, Indemnification Period Disposal Group, Including Discontinued Operation, Indemnification Period Other Other Receivables, Net, Current Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Number of IPR requests denied Number Of Inter Partes Review (IPR) Requests Denied Number Of Inter Partes Review (IPR) Requests Denied Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Executive Vice President Executive Vice President [Member] Estimated Useful Lives of Property, Plant and Equipment Property, Plant and Equipment, Net and Construction in Progress Property, Plant and Equipment [Table Text Block] Capitalized inventory costs Deferred Tax Assets, Capitalized Inventory Costs Deferred Tax Assets, Capitalized Inventory Costs Unrecognized tax benefits including interest and penalties Unrecognized Tax Benefits, Including Income Tax Interest and Penalties Accrued Unrecognized Tax Benefits, Including Income Tax Interest and Penalties Accrued Gross Finite-Lived Intangible Assets, Gross Components Other Inventory, Gross Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Provision for credit losses Additions to costs and expenses Accounts Receivable, Credit Loss Expense (Reversal) Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Vested and expected to vest at the end of the year Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Currency [Axis] Currency [Axis] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Reconciliation of the Undiscounted Cash Flows for Each of the First Five Years and Thereafter to Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] Effective Income Tax Rate Reconciliation, Amount [Abstract] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Employees Share-based Payment Arrangement, Employee [Member] Basic (in shares) Weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic $300 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two, Supply Threshold Level Two Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two, Supply Threshold Level Two Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Forfeited/canceled/expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Number of IPR requests Number Of Inter Partes Review (IPR) Requests Filed Number Of Inter Partes Review (IPR) Requests Filed Plan Name [Domain] Plan Name [Domain] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Maximum warrants available to vest (in shares) Class Of Warrant Or Right, Maximum Number Of Warrants Available For Vesting In Period Class Of Warrant Or Right, Maximum Number Of Warrants Available For Vesting In Period Operating lease right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Duties Accrued Duties, Current Accrued duties. Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Net gain (loss) on foreign currency exchange transactions Foreign Currency Transaction Gain (Loss), before Tax Inventories Inventory, Policy [Policy Text Block] Provision for income taxes Total provision for income taxes Income Tax Expense (Benefit) Cash and cash equivalents at beginning of year Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Title of Individual [Domain] Title of Individual [Domain] Local Phone Number Local Phone Number Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Amortization Expense by Income Statement Caption Finite-lived Intangible Assets Amortization Expense [Table Text Block] Vesting on February 12, 2021 Share-based Payment Arrangement, Tranche One [Member] Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Derivative [Line Items] Derivative [Line Items] Cash and Cash Equivalents Cash and Cash Equivalents Disclosure [Text Block] Range of exercise prices, upper range limit (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Vesting quarterly thereafter Share-based Compensation Award, Quarterly Vesting Thereafter [Member] Share-based Compensation Award, Quarterly Vesting Thereafter [Member] Stock options exercised Value of shares withheld Stock Issued During Period, Value, Stock Options Exercised Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] USD/Chinese Yuan Renminbi China, Yuan Renminbi Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Weighted-Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Property subject to rent escalations Property Subject to Rent Escalations [Member] Property Subject to Rent Escalations [Member] Retained Earnings Retained Earnings [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Measurement Basis [Axis] Measurement Basis [Axis] Contingent consideration payments in connection with business combinations Payment for Contingent Consideration Liability, Financing Activities Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Weighted-Average Remaining Contractual Term and Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding at end of the year Weighted-average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Pending litigation Pending Litigation [Member] Award Type [Domain] Award Type [Domain] Long-term liabilities: Liabilities, Noncurrent [Abstract] Accrued commission Accrued Employee Sales Commission, Current Accrued Employee Sales Commission, Current Exercisable at the end of the year (in dollars per share) Weighted-average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Property, Plant, and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Litigation Status [Domain] Litigation Status [Domain] Treasury stock, at cost, 10,618,002 and 10,174,199 shares on December 31, 2020 and 2019, respectively Treasury Stock, Value Earnings Per Share Earnings Per Share [Text Block] Current liabilities: Liabilities, Current [Abstract] Number of patent families Loss Contingency, Patents Allegedly Infringed, Patent Families, Number Loss Contingency, Patents Allegedly Infringed, Patent Families, Number Vested and expected to vest at the end of the year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] BASIC Earnings Per Share, Basic [Abstract]