Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign Currency Exchange Contracts Foreign Exchange Forward [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Income (Expense), Net Other Nonoperating Income (Expense) [Member] Derivative Instruments,Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Net gain (loss) on foreign currency exchange contracts Gain (Loss) on Derivative Instruments, Net, Pretax Receivables [Abstract] Accounts Receivable, Net and Revenue Concentrations Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Income Tax Disclosure [Abstract] Income tax expense Income Tax Expense (Benefit) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits that would impact effective rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accounting Policies [Abstract] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Without Adoption of ASU 2014-09 Calculated under Revenue Guidance in Effect before Topic 606 [Member] Effect of Change Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASU 2014-09 Accounting Standards Update 2014-09 [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Assets Assets [Abstract] Contract assets Contract with Customer, Asset, Net, Current Inventories, net Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Income Tax Assets, Net Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Accounts payable and other current liabilities Liabilities, Current Retained earnings Retained Earnings (Accumulated Deficit) Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Estimates, Judgments and Assumptions Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Sales Returns Revenue From Contract With Customer, Sales Returns [Policy Text Block] Revenue From Contract With Customer, Sales Returns [Policy Text Block] Segment Reporting [Abstract] Net Sales to External Customers by Geographic Area Revenue from External Customers by Geographic Areas [Table Text Block] Long-Lived Tangible Assets by Geographic Area Long-lived Assets by Geographic Areas [Table Text Block] Equity [Abstract] Treasury Stock Treasury Stock [Text Block] Payables and Accruals [Abstract] Components of Accrued Compensation Schedule of Accrued Liabilities [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Non-vested at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Non-vested at end of period (in shares) 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] Non-vested at beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Non-vested at end of period (in dollars per share) Statement of Financial Position [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, $0.01 par value, 50,000,000 shares authorized; 23,861,547 and 23,760,434 shares issued on June 30, 2018 and December 31, 2017, respectively Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, at cost, 9,927,853 and 9,702,874 shares on June 30, 2018 and December 31, 2017, respectively Treasury Stock, Shares [Abstract] Treasury stock, shares (in shares) Treasury Stock, Shares Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Line of Credit Line of Credit [Member] Letter of Credit Letter of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Second Amended Credit Agreement Second Amended Credit Agreement [Member] Second Amended Credit Agreement [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] US Bank US Bank [Member] US Bank [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Enson Enson [Member] Enson Member. Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] Base Rate Base Rate [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Letter of credit outstanding amount Letters of Credit Outstanding, Amount Ownership interest used to secure obligations Line of Credit Facility, Covenants, Subsidiary Ownership Percentage Securing Facility Line of Credit Facility, Covenants, Subsidiary Ownership Percentage Securing Facility Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Commitment fees Line of Credit Facility, Commitment Fee Amount Amount outstanding under line of credit Line of Credit, Current Interest expense on borrowings Interest Expense, Short-term Borrowings Stock-based Compensation Expense and Related Income Tax Benefit Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Stock Option Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Assumptions Used in Valuation and Weighted Average Fair Value of Stock Option Grants Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Non-Vested Restricted Stock Award Activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Earnings Per Share [Abstract] BASIC Earnings Per Share, Basic [Abstract] Net income Net Income (Loss) Attributable to Parent Weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Basic earnings per share (in dollars per share) Earnings Per Share, Basic DILUTED Earnings Per Share, Diluted [Abstract] Dilutive effect of stock options, restricted stock and common stock warrants (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average common shares outstanding on a diluted basis (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Components of Accrued Compensation Employee-related Liabilities, Current [Abstract] Accrued social insurance Accrued Social Insurance, Current Accrued social insurance current. Accrued salary/wages Accrued Salaries, Current Accrued vacation/holiday Accrued Vacation, Current Accrued bonus Accrued Bonuses, Current Accrued commission Accrued Employee Sales Commission, Current Accrued Employee Sales Commission, Current Accrued medical insurance claims Accrued Insurance, Current Other accrued compensation Other Employee-related Liabilities, Current Total accrued compensation Employee-related Liabilities, Current Salaries accrued for thirteenth month Accrued Salaries, Thirteenth Month Amount, Current Accrued Salaries, Thirteenth Month Amount, Current Business Combinations [Abstract] Schedule of Business Combinations, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Measurement Input Type [Axis] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input, Discount Rate [Member] Measurement Input, Discount Rate [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Residential Control Systems, Inc Residential Control Systems, Inc [Member] Residential Control Systems, Inc [Member] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Valuation Methodology Based on Future Operating Income Projections Valuation, Income Approach [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Long-term Contingent Consideration Long-term Contingent Consideration [Member] Long-term Contingent Consideration [Member] Business Combination Business Acquisition [Line Items] Initial purchase price Business Combination, Consideration Transferred Cash consideration Payments to Acquire Businesses, Gross Contingent consideration Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Net sales Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Net loss Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Additional earnout payments Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Discount rate Business Combination, Contingent Consideration, Liability, Measurement Input Fair value of earnout consideration Business Combination, Contingent Consideration, Liability, Noncurrent Net increase in amortization expense Business Acquisition, Pro Forma Information, Increase (Decrease) in Amortization Expense Business Acquisition, Pro Forma Information, Increase (Decrease) in Amortization Expense Acquisition costs excluded from pro forma net income Business Combination, Acquisition Related Costs Inventory Disclosure [Abstract] Inventories, Net Schedule of Inventory, Current [Table Text Block] Changes in Reserve for Excess and Obsolete Inventory Inventory Valuation Reserves [Table Text Block] Inventory valuation reserves. Purchases from Significant Suppliers Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Purchase Price Allocation Schedule of Business Acquisitions, by Acquisition [Table Text Block] Pro Forma Financial Information Business Acquisition, Pro Forma Information [Table Text Block] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Other Income and Expenses [Abstract] Net gain (loss) on foreign currency exchange transactions Foreign Currency Transaction Gain (Loss), before Tax Other income Other Income (Expense) Other Income (Expense) Other income (expense), net Other Nonoperating Income (Expense) Schedule Of Long-lived Assets From Geographical Segments [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES People's Republic of China (PRC) CHINA All other countries All Other Countries [Member] All Other Countries [Member] Long-lived Assets from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Long-lived tangible assets Long-Lived Assets Earnings Per Share Earnings Per Share [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Cost of sales Cost of Sales [Member] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Amortization expense Amortization of Intangible Assets Goodwill [Roll Forward] Goodwill [Roll Forward] Balance Goodwill Foreign exchange effects Goodwill, Foreign Currency Translation Gain (Loss) Balance Business Combination Business Combination Disclosure [Text Block] Schedule Of Revenues From Geographical Segments [Table] Asia (excluding the PRC) Asia, Excluding The People's Republic of China [Member] Asia, Excluding The People's Republic of China Europe Europe [Member] Latin America Latin America [Member] Other Schedule of Revenues from Geographical Segments [Line Items] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Calculation of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Securities Excluded from the Computation of Diluted Earnings (Loss) Per Common Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Contingencies [Table] Contingencies [Table] Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] UEBV Lawsuit Patent Lawsuit Against UEBV and Telenet [Member] Patent Lawsuit Against UEBV and Telenet [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation Pending Litigation [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Design Patents Design Patents [Member] Design Patents [Member] Utility Patents Utility Patent [Member] Utility Patent [Member] Contingencies [Line Items] Contingencies [Line Items] [Line Items] for Contingencies [Table] Number of subsidiaries named in lawsuit Loss Contingency, Number of Subsidiaries Named in Lawsuit Loss Contingency, Number of Subsidiaries Named in Lawsuit Number of customers named in lawsuit Loss Contingency, Number of Customers Named in Lawsuit Loss Contingency, Number of Customers Named in Lawsuit Number of products named in lawsuit Loss Contingency, Patents Allegedly Infringed, Number of Products Loss Contingency, Patents Allegedly Infringed, Number of Products Number of patents allegedly infringed upon Loss Contingency, Patents Allegedly Infringed, Number Raw materials Inventory, Raw Materials, Gross Components Other Inventory, Gross Work in process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Reserve for excess and obsolete inventory Inventory Valuation Reserves Inventories, net Performance-Based Common Stock Warrants Warrants Disclosure [Text Block] Warrants Disclosure [Text Block] ASSETS Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents, Current Accounts receivable, net Receivables, Net, Current Assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Income tax receivable Income Taxes Receivable, Current Total current assets Assets, Current Property, plant, and equipment, net Property, Plant and Equipment, Net Goodwill Intangible assets, net Finite-Lived Intangible Assets, Net Other assets Other Assets, Noncurrent Total assets Assets Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Line of credit Accrued compensation Accrued sales discounts, rebates and royalties Accrued Sales Discounts Rebates and Royalties, Current Accrued Sales Discounts Rebates and Royalties, Current Accrued income taxes Accrued Income Taxes, Current Other accrued liabilities Other Accrued Liabilities, Current Total current liabilities Long-term liabilities: Liabilities, Noncurrent [Abstract] Long-term contingent consideration Deferred income taxes Deferred Income Tax Liabilities, Net Income tax payable Accrued Income Taxes, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Common stock, $0.01 par value, 50,000,000 shares authorized; 23,861,547 and 23,760,434 shares issued on June 30, 2018 and December 31, 2017, respectively Common Stock, Value, Issued Paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost, 9,927,853 and 9,702,874 shares on June 30, 2018 and December 31, 2017, respectively Treasury Stock, Value Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Purchase Level and Number of Warrants That Will Vest Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Assumptions Used in Valuation and Weighted Average Fair Value of Warrants Schedule of Fair Value Assumptions [Table Text Block] Schedule of Fair Value Assumptions [Table Text Block] Impact to Net Sales in Connection with Warrants and Related Income Tax Benefit Schedule of Impact To Net Sales Due To Warrants [Table Text Block] Schedule of Impact To Net Sales Due To Warrants [Table Text Block] Statement of Comprehensive Income [Abstract] Net income Other comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Change in foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Class of Warrant or Right [Table] Class of Warrant or Right [Table] Measurement Input, Risk Free Interest Rate [Member] Measurement Input, Risk Free Interest Rate [Member] Measurement Input, Price Volatility [Member] Measurement Input, Price Volatility [Member] Measurement Input, Expected Term [Member] Measurement Input, Expected Term [Member] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Common Stock Purchase Warrants Common Stock Purchase Warrant [Member] Common Stock Purchase Warrant [Member] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Fair value (in dollars per share) Class of Warrant or Right, Fair Value Class of Warrant or Right, Fair Value Price of Universal Electronics Inc. common stock (in dollars per share) Share Price Risk-free interest rate Warrants and Rights Outstanding, Measurement Input Expected life Warrants and Rights Outstanding, Term Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Restricted Stock Awards Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Unrecognized pre-tax stock-based compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized pre-tax stock-based compensation expense, remaining weighted-average life Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance Employee Severance [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Manufacturing Activities Transition Manufacturing Activities Transition [Member] Manufacturing Activities Transition [Member] Selling, General and Administrative Expenses Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Guangzhou Factory Guangzhou Factory [Member] Guangzhou Factory [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Factory transition restructuring charges Restructuring Charges Consideration received in sale Disposal Group, Including Discontinued Operation, Consideration Escrow deposit as percentage of purchase price Disposal Group, Including Discontinued Operation, Consideration, Escrow Deposit as Percentage of Purchase Price Disposal Group, Including Discontinued Operation, Consideration, Escrow Deposit as Percentage of Purchase Price Nonrefundable deposit Disposal Group, Including Discontinued Operation, Consideration, Nonrefundable Deposit Disposal Group, Including Discontinued Operation, Consideration, Nonrefundable Deposit Consideration receivable upon government approvals Disposal Group, Including Discontinued Operation, Consideration, Received Upon Government Approvals Disposal Group, Consideration, Received Upon Government Approvals Escrow deposit Disposal Group, Including Discontinued Operation, Escrow Deposit Disposal Group, Including Discontinued Operation, Escrow Deposit Gain on sale of Guangzhou factory Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Net gain on disposal Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax Changes in the Liability for Product Warranty Claim Costs Schedule of Product Warranty Liability [Table Text Block] Accounts Receivable, Net, Current [Abstract] Accounts Receivable, Net, Current [Abstract] Trade receivables, gross Accounts Receivable, Gross, Current Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Allowance for sales returns Allowance for Sales Returns Allowance for sales returns. Net trade receivables Accounts Receivable, Net, Current Other Other Receivables, Net, Current Accounts receivable, net Supply Commitment [Axis] Supply Commitment [Axis] Supply Commitment Arrangement [Domain] Supply Commitment Arrangement [Domain] Supply Threshold Supply Commitment [Member] Aggregate level of purchases, threshold one Class of Warrant or Right, Supply Threshold Level One, Amount Class of Warrant or Right, Supply Threshold Level One, Amount Aggregate level of purchases, threshold two Class of Warrant or Right, Supply Threshold Level Two, Amount Class of Warrant or Right, Supply Threshold Level Two, Amount Aggregate level of purchases, threshold three Class of Warrant or Right, Supply Threshold Level Three, Amount Class of Warrant or Right, Supply Threshold Level Three, Amount Incremental Warrants That Will Vest January 1, 2016 - December 31, 2017 Class Of Warrant Or Right, Vesting Period One, Supply Threshold Level One [Abstract] Class Of Warrant Or Right, Vesting Period One $260 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level One Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level One $300 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level Two Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level Two $340 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level Three Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level Three Maximum Potential Warrants Earned by Comcast (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One Incremental Warrants That Will Vest January 1, 2018 - December 31, 2019 Class Of Warrant Or Right, Vesting Period Two [Abstract] Class Of Warrant Or Right, Vesting Period Two [Abstract] $260 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two, Supply Threshold Level One Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two, Supply Threshold Level One $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 $340 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two, Supply Threshold Level Three Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period One, Supply Threshold Level Three Maximum Potential Warrants Earned by Comcast (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Two Incremental Warrants That Will Vest January 1, 2020 - December 31, 2021 Class Of Warrant Or Right, Vesting Period Three [Abstract] Class Of Warrant Or Right, Vesting Period Three [Abstract] $260 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level One Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level One $300 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level Two Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level Two $340 million threshold (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level Three Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three, Supply Threshold Level Three Maximum Potential Warrants Earned by Comcast (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three Class of Warrant or Right, Number of Securities Called by Each Warrant or Right, Vesting Period Three Total Net Fair Value of Derivatives Schedule of Derivative Assets at Fair Value [Table Text Block] Foreign Currency Exchange Contracts Schedule of Derivative Instruments [Table Text Block] Other Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Other Income (Expense), Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] As reported Adjustments due to Adoption of ASU 2014-09 Deferred income tax assets Accounts payable and other current liabilities Deferred income tax liabilities Retained earnings Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Executive Vice President Executive Vice President [Member] Related Party Supplier Affiliated Entity [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Supplier Concentration Risk Supplier Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Inventory Purchases Cost of Goods, Total [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Ownership percentage in third party by executive Related Party Transaction, Ownership Percentage In Affiliated Entity Related party transaction, ownership percentage by affiliated entity Inventory purchases Related Party Transaction, Purchases from Related Party Business Segment and Foreign Operations Segment Reporting Disclosure [Text Block] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Share Repurchase Plan - Authorized May 16, 2018 Share Repurchase Program - Authorized May 16, 2018 [Member] Share Repurchase Program - Authorized May 16, 2018 [Member] Share Repurchase Plan - Authorized July 26, 2018 Share Repurchase Program - Authorized July 26, 2018 [Member] Share Repurchase Program - Authorized July 26, 2018 [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Open market share value authorized for repurchase Stock Repurchase Program, Authorized Amount Share value available for repurchase Stock Repurchase Program, Remaining Authorized Repurchase Amount Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements on a Recurring Basis Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Total Balance Estimate of Fair Value Measurement [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Foreign currency exchange contracts Derivative, Fair Value, Net Schedule of Allowance for Doubtful Accounts Allowance for Doubtful Accounts Receivable [Roll Forward] Balance at beginning of period Additions to costs and expenses Provision for Doubtful Accounts (Write-offs)/Foreign exchange effects Allowance for Doubtful Accounts Receivable, Write-Offs And Effect Of Exchange Rate Allowance for Doubtful Accounts Receivable, Write-Offs And Effect Of Exchange Rate Balance at end of period Advertising and marketing Accrued Advertising And Marketing Costs, Current Accrued Advertising and Marketing Costs, Current Deferred revenue Contract with Customer, Liability, Current Deposit for sale of Guangzhou factory Accrued Proceeds from Divestiture of Businesses, Escrow Deposit Accrued Proceeds from Divestiture of Businesses, Escrow Deposit Duties Accrued Duties, Current Accrued duties. Freight and handling fees Accrued Freight and Handling Fees, Current Accrued Freight and Handling Fees, Current Product development Accrued Product Development Costs, Current Accrued Product Development Costs, Current Product warranty claim costs Product Warranty Accrual, Current Professional fees Accrued Professional Fees, Current Property, plant, and equipment Property, Plant and Equipment, Current Property, Plant and Equipment, Current Sales taxes and VAT Sales and Excise Tax Payable, Current Short-term contingent consideration Business Combination, Contingent Consideration, Liability, Current Third-party commissions Accrued Nonemployee Sales Commission, Current Accrued Nonemployee Sales Commission, Current Tooling Unearned Tooling Revenue, Current Unearned Tooling Revenue Unrealized loss on foreign currency exchange contracts Unrealized Loss on Foreign Currency Exchange Futures Contracts, Current Unrealized Loss on Foreign Currency Exchange Futures Contracts, Current Utilities Accrued Utilities, Current Other Other Accrued Expenses, Current Other Accrued Expenses, Current. Total other accrued liabilities Net sales Business Acquisition, Pro Forma Revenue Net income Business Acquisition, Pro Forma Net Income (Loss) Basic earnings per share attributable to Universal Electronics Inc. (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted earnings per share attributable to Universal Electronics Inc. (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Accounts Receivable, Net Trade Accounts Receivable [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Comcast Corporation Comcast Corporation [Member] Comcast Corporation [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Percent of accounts receivable, net Concentration Risk, Percentage Schedule of Changes in Reserve for Product Warranty Claim Costs Movement in Standard Product Warranty Accrual [Roll Forward] Balance at beginning of period Standard and Extended Product Warranty Accrual Accruals for warranties issued during the period Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Settlements (in cash or in kind) during the period Standard and Extended Product Warranty Accrual, Decrease for Payments Balance at end of period Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock options Restricted stock awards Performance-based warrants Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Securities excluded in computation of diluted earning per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Repurchased Shares of Common Stock Class of Treasury Stock [Table Text Block] Income Statement [Abstract] Cost of sales Cost of Goods and Services Sold Gross profit Gross Profit Research and development expenses Research and Development Expense Factory transition restructuring charges Selling, general and administrative expenses Selling, General and Administrative Expense Operating income (loss) Operating Income (Loss) Interest income (expense), net Interest Income (Expense), Nonoperating, Net Gain on sale of Guangzhou factory Other income (expense), net Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Provision for income taxes Net income Earnings per share: Basic (in dollars per share) Diluted (in dollars per share) Shares used in computing earnings per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Adjustments Made to the Consolidated Balance Sheets and Impacts of New Revenue Guidance on Financial Statements Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Weighted average fair value of grants (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Derivative [Table] Derivative [Table] USD/Euro Foreign Exchange Forward, July 27, 2018 Foreign Exchange Forward, USD/Euro, July 27, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Euro, July 27, 2018 Settlement Date [Member] USD/Chinese Yuan Renminbi Foreign Exchange Forward, July 27, 2018 Foreign Exchange Forward, USD/Yuan, July 27, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Yuan, July 27, 2018 Settlement Date [Member] USD/Brazilian Real Foreign Exchange Forward, July 24, 2018 Foreign Exchange Forward, USD/Real, July 27, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Real, July 27, 2018 Settlement Date [Member] USD/Euro Foreign Exchange Forward, January 5, 2018 Foreign Exchange Forward, USD/Euro, January 5, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Euro, January 5, 2018 Settlement Date [Member] USD/Chinese Yuan Renminbi Foreign Exchange Forward, January 5, 2018 Foreign Exchange Forward, USD/Chinese Yuan, January 5, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Chinese Yuan, January 5, 2018 Settlement Date [Member] USD/Brazilian Real Foreign Exchange Forward, January 24, 2018 Foreign Exchange Forward, USD/Brazilian Real, January 24, 2018 Settlement Date [Member] Foreign Exchange Forward, USD/Brazilian Real, January 24, 2018 Settlement Date [Member] Currency [Axis] Currency [Axis] Derivative by Currency Position Held [Domain] All Currencies [Domain] USD United States of America, Dollars Chinese Yuan Renminbi China, Yuan Renminbi Derivative [Line Items] Derivative [Line Items] Notional value Derivative, Notional Amount Forward rate Derivative, Forward Exchange Rate Unrealized gain/(loss) recorded at balance sheet date Derivative, Gain (Loss) on Derivative, Net Schedule of Reserve for Excess and Obsolete Inventory [Rollforward] Inventory Reserve [Roll Forward] Inventory Reserve [Roll Forward] Balance at beginning of period Additions charged to costs and expenses Inventory Valuation Reserve, Period Charge Additions to costs and expenses. Sell through Inventory Valuation Reserve, Adjustments, Sales Inventory Valuation Reserve, Adjustments, Sales (Write-offs)/Foreign exchange effects Inventory Valuation Reserve, Write-Offs And Effect Of Exchange Rate Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. Balance at end of period Inventory written-off and scrapped during production Inventory Scrapped During Production Inventory Scrapped During Production Statement of Cash Flows [Abstract] Cash provided by (used for) operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used for) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Provision for doubtful accounts Provision for inventory write-downs Inventory Write-down Gain on sale of Guangzhou factory Deferred income taxes Deferred Income Taxes and Tax Credits Shares issued for employee benefit plan Shares Issued for Employee Benefit Plan Shares issued for employee benefit plan. Employee and director stock-based compensation Share-based Compensation Performance-based common stock warrants Accretion of performance based stock warrants Accretion of performance based stock warrants [Line Items] Impairment of China factory equipment Impairment of Long-Lived Assets Held-for-use Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable and contract assets Increase (Decrease) in Receivables Inventories Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Accrued income taxes Increase (Decrease) in Income Taxes Payable Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Cash provided by (used for) investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from sale of Guangzhou factory Proceeds from Sale of Property, Plant, and Equipment Acquisitions of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Refund of deposit received toward sale of Guangzhou factory Proceeds from Divestiture of Businesses, Escrow Deposit Proceeds from Divestiture of Businesses, Escrow Deposit Acquisitions of intangible assets Payments to Acquire Intangible Assets Acquisition of net assets of Residential Control Systems, Inc. Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Cash provided by (used for) financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings under line of credit Proceeds from Short-term Debt Repayments on line of credit Repayments of Short-term Debt Proceeds from stock options exercised Proceeds from Stock Options Exercised Treasury stock purchased Payments for Repurchase of Common Stock Contingent consideration payments in connection with business combinations Payment for Contingent Consideration Liability, Financing Activities Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents, and restricted cash at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of period Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Income taxes paid Income Taxes Paid Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities 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 Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Trade name Trade Names [Member] Customer relationships Customer Relationships [Member] Order backlog Order or Production Backlog [Member] Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Net tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Net Tangible Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Net Tangible Assets Finite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Goodwill Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Less: Contingent consideration Business Combination, Contingent Consideration, Liability Cash paid Estimated lives of property, plant and equipment Property, Plant and Equipment, Useful Life Estimated useful life of intangible assets Finite-Lived Intangible Asset, Useful Life Reduction/(increase) to net sales Class of Warrant or Right, Contra Revenue Class of Warrant or Right, Contra Revenue Income tax benefit/(expense) Class of Warrant or Right, Income Tax Expense (Benefit) Class of Warrant or Right, Income Tax Expense (Benefit) Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Changes in the Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Components of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Amortization Expense by Income Statement Caption Finite-lived Intangible Assets Amortization Expense [Table Text Block] Estimated Future Amortization Expense Related to Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Components of Other Accrued Liabilities Schedule of Cash and Cash Equivalents [Table] Schedule of Cash and Cash Equivalents [Table] South America South America [Member] Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Cash and cash equivalents Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Cash deposit Restricted Cash and Cash Equivalents, Noncurrent Other Income (Expense), Net Other Income and Other Expense Disclosure [Text Block] Line of Credit Debt Disclosure [Text Block] Accrued Compensation Inventories, Net and Significant Suppliers Inventory Disclosure [Text Block] Concentration Risk [Table] Concentration Risk [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Texas Instruments Texas Instrument [Member] Texas Instrument Concentration Risk [Line Items] Concentration Risk [Line Items] Purchases from significant supplier Inventory Purchases Inventory Purchases Percent of total inventory purchases Net Sales Sales [Member] AT&T AT&T [Member] AT&T [Member] Net sales Percent of net sales Cash and Cash Equivalents by Geographic Region Schedule of Cash and Cash Equivalents [Table Text Block] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited/canceled/expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Outstanding at end of period (in shares) Vested and expected to vest at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Exercisable at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited/canceled/expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding at end of period (in dollars per share) Vested and expected to vest at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Exercisable at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted-Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Vested and expected to vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Distribution rights Distribution Rights [Member] Patents Patents [Member] Trademarks and trade names Trademarks and Trade Names [Member] Developed and core technology Developed Technology Rights [Member] Capitalized software development costs Software and Software Development Costs [Member] Customer relationships Order backlog Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Gross Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Gross value of fully amortized intangible assets Finite-Lived Intangible Assets, Fully Amortized, Gross Finite-Lived Intangible Assets, Fully Amortized, Gross Income Taxes Income Tax Disclosure [Text Block] Shares repurchased (in shares) Treasury Stock, Shares, Acquired Cost of shares repurchased Treasury Stock, Value, Acquired, Cost Method Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Research and development expenses Research and Development Expense [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Employees Employees [Member] Employees [Member] Outside directors Director [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Employee and director stock-based compensation expense Allocated Share-based Compensation Expense Income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Allowance for sales returns Allowance for Sales Returns, Net Of Unprocessed Returns Allowance for Sales Returns, Net Of Unprocessed Returns Number of shares called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Number of vesting periods Class of Warrant or Right, Number of Vesting Periods Class of Warrant or Right, Number of Vesting Periods Term of successive vesting periods Class of Warrant or Right, Term of Successive Vesting Periods Class of Warrant or Right, Term of Successive Vesting Periods Vesting period one Class of Warrant or Right, Vesting Period One Class of Warrant or Right, Vesting Period One Aggregate level of purchases, $260 million threshold Aggregate level of purchases, $340 million threshold Vested warrants outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Supply threshold amount Class of Warrant or Right, Supply Threshold, Amount Class of Warrant or Right, Supply Threshold, Amount Total vesting period Class of Warrant or Right, Vesting Period Class of Warrant or Right, Vesting Period Number of warrants vested (in shares) Class of Warrant or Right, Vested Class of Warrant or Right, Vested Unrecognized estimated fair value of unvested warrants Class of Warrant or Right, Unvested, Unrecognized Fair Value Class of Warrant or Right, Unvested, Unrecognized Fair Value Schedule of Estimated Future Amortization expense Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2018 (remaining 6 months) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Accounts Receivable, Net and Allowance for Doubtful Accounts Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Net Sales to Significant Customers Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Trade Receivables Associated with Significant Customers Schedule of Accounts Receivable by Major Customers by Reporting Segments [Table Text Block] Schedule of Accounts Receivable by Major Customers by Reporting Segments [Table Text Block]