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Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks / Tradenames [Member] Trademarks and Trade Names [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination, Consideration Transferred [Abstract] Business Combination, Consideration Transferred [Abstract] Aggregate cash consideration Payments to Acquire Businesses, Gross Aggregate fair value of TiVo Corporation shares issued Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Fair value of assumed TiVo Solutions employee equity-based awards allocated to consideration Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Fair Value of Options and Equity Instruments Other than Options Allocated to Consideration Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Fair Value of Options and Equity Instruments Other than Options Allocated to Consideration Accrual for merger consideration Business Combinations, Accrued Liabilities, Merger Consideration Business Combinations, Accrued Liabilities, Merger Consideration Total merger consideration Business Combination, Consideration Transferred Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Cash, cash equivalents and marketable securities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid expenses and other current assets and other long-term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Finite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Trademarks / Tradenames Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Goodwill Goodwill Accounts payable and accrued expenses and other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Current portion of long-term debt Business Combination, Recognized Identifiable Assets 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Deferred Revenue Deferred tax liabilities, net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities, Net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities, Net Total merger consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Income Statement [Abstract] Revenues, net: Revenue, Net [Abstract] Licensing, services and software License and Services Revenue Hardware Sales Revenue, Goods, Net Total Revenues, net Costs and expenses: Cost of Revenue [Abstract] Cost of licensing, services and software revenues, excluding depreciation and amortization of intangible assets Cost of Licensing Revenue Excluding Depreciation and Amortization of Intangible Assets Cost of Licensing Revenue Excluding Depreciation and Amortization of Intangible Assets Cost of hardware revenues, excluding depreciation and 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in Accounts Payable and Accrued Liabilities Taxes payable Increase (Decrease) in Income Taxes Payable Deferred revenue Increase (Decrease) in Deferred Revenue Net cash provided by operating activities of continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities of discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Payments for purchase of short- and long-term marketable securities Payments to Acquire Marketable Securities Proceeds from sales or maturities of short- and long-term marketable securities Proceeds from Sale and Maturity of Marketable Securities Cash acquired in Tivo Acquisition, net of cash paid Cash Acquired from Acquisition Return of cash paid for TiVo Acquisition Proceeds from Previous Acquisition Payment to Dissenting Holders in TiVo Acquisition Payments for purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Payments for purchase of patents Payments to Acquire Intangible Assets Other investing, net Payments for (Proceeds from) Other Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payments on revolving credit facility Repayments of Lines of Credit Proceeds from issuance of long-term debt, net of issuance costs Proceeds from Issuance of Long-term Debt Principal payments on long-term debt Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Payments for dividends (Payments) proceeds from (purchase) sale of warrants Proceeds from (Repurchase of) Equity Proceeds (payments) for sale (purchase) of call options Payments for (Proceeds from) Derivative Instrument, Financing Activities Payments for contingent consideration and deferred holdback Payments for (Proceeds from) Previous Acquisition Payments for purchase of treasury stock Payments for Repurchase of Common Stock Payments for withholding taxes related to net settlement of restricted awards Payments Related to Tax Withholding for Share-based Compensation Proceeds from exercise of employee stock options and employee stock purchase plan Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash 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period Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance at beginning of period Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Assumed in TiVo Acquisition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Gain included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Balance at end of period Increase (decrease) during period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Statement of Financial Position [Abstract] Preferred Stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred Stock, 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Proceeds from patent sales Proceeds from Sale of Intangible Assets Subscription cancellation period for full refund Subscription Cancellation Period, For Full Refund Subscription Cancellation Period, For Full Refund Lifetime subscriptions amortization period Product Lifetime Subscriptions, Amortization Period Product Lifetime Subscriptions, Amortization Period Product return period Product Return Period Product Return Period Advertising expense Advertising Expense Deferred tax assets Valuation allowance Cumulative effect of new accounting principle Cumulative Effect of New Accounting Principle in Period of Adoption Carrying Value and Par Value of Debt Schedule of Long-term Debt Instruments [Table Text Block] Convertible Debt Convertible Debt [Table Text Block] Components of Interest Expense Interest Income and Interest Expense Disclosure [Table Text Block] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Summary of Interest Rate Swaps Schedule of Interest Rate Derivatives [Table Text Block] Customers and Concentration of Customers Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] TiVo Tradename [Member] TiVo Tradename [Member] TiVo Tradename [Member] Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Trade Names Indefinite-Lived Trade Names Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Acquired Finite-Lived Intangible Assets by Major Class [Axis] Content Databases and Other [Member] Database Rights [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Gross Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible Assets, Gross (Excluding Goodwill) Intangible Assets, Gross (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill) Weighted-Average Useful Life Income Taxes Income Tax Disclosure [Text Block] Pending Litigation [Member] Pending Litigation [Member] Employee Stock Options, Restricted Stock Award or Restricted Stock Unit [Member] Employee Stock Options, Restricted Stock Award or Restricted Stock Unit [Member] Employee Stock Options, Restricted Stock Award or Restricted Stock Unit [Member] Stock Options and Stock-Based Awards [Member] Performance-Based Awards [Member] Performance Shares [Member] Cash paid per share (in dollars per share) Payments to Acquire Businesses, Gross, Cash Paid Per Share Payments to Acquire Businesses, Gross, Cash Paid Per Share Share price exchange ratio Business Combination, Share Price, Exchange Ratio Business Combination, Share Price, Exchange Ratio Conversion of stock ratio Business Combination, Conversion of Stock Ratio Business Combination, Conversion of Stock Ratio Revenue of acquiree since acquisition date Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Operating Income (loss) of acquiree Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Stock issued for acquisitions during period (in shares) Stock Issued During Period, Shares, Acquisitions Restricted cash Restricted Cash and Cash Equivalents Return of cash paid for TiVo Acquisition Cash Returned from Acquisition Cash Returned from Acquisition TiVo Acquisition litigation loss Expected volatility rate (percent) Fair Value Assumptions, Expected Volatility Rate Expected term Fair Value Assumptions, Expected Term Risk-free interest rate (percent) Fair Value Assumptions, Risk Free Interest Rate Dividend rate (percent) Fair Value Assumptions, Expected Dividend Rate Weighted average shares used in computing basic per share amounts Dilutive effect of equity-based compensation awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares used in computing diluted per share amounts Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal [Member] Domestic Tax Authority [Member] State [Member] State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Carryforward Amount Operating Loss Carryforwards Deferred Tax Asset from Continuing Operations Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Accrued Restructuring Costs [Member] Accrued Restructuring Costs [Member] Accrued Restructuring Costs [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Severance costs Accrued restructuring costs Accrued Restructuring Costs Accrued Restructuring Costs Schedule of Quarterly Consolidated Financial Data (Unaudited) Quarterly Financial Information [Table Text Block] Information on Revenue from Continuing Operations by Geographic Areas Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Information on Long Lived Assets by Geographical Areas Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Geographic Information Geographic Information [Text Block] Geographic Information [Text Block] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term marketable securities Marketable Securities, Current Accounts receivable, net Accounts Receivable, Net, Current Inventory Inventory, Net Prepaid expenses and other current assets Other Assets, Current Total current assets Assets, Current Long-term marketable securities Marketable Securities, Noncurrent Property and equipment, net Intangible assets, net Other long-term assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Deferred revenue Deferred Revenue, Current Current portion of long-term debt Total current liabilities Liabilities, Current Taxes payable, less current portion Accrued Income Taxes, Noncurrent Deferred revenue, less current portion Deferred Revenue, Noncurrent Deferred tax liabilities, net Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 10) Commitments and Contingencies Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding Preferred Stock, Value, Issued Common stock, $0.001 par value, 250,000 shares authorized; 123,385 shares issued and 122,116 shares outstanding as of December 31, 2017; and 120,526 shares issued and 120,061 shares outstanding as of December 31, 2016 Common Stock, Value, Issued Treasury stock, 1,269 shares and 465 shares as of December 31, 2017 and December 31, 2016, respectively, at cost Treasury Stock, Value Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Total Revenues, net Business Acquisition, Pro Forma Revenue Net loss Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax Basic (loss) earnings per share (in usd per share) Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Basic Diluted (loss) earnings per share (in usd per share) Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Diluted Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current income tax expense Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred income tax benefit (expense) Deferred Income Tax Expense (Benefit) Income tax (benefit) expense Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Equity Option [Member] Equity Option [Member] Repayments of convertible debt Repayments of Convertible Debt Initial conversion price to principal of notes (in usd per share) Debt Instrument, Convertible, Conversion Ratio, Cash Conversion Ratio to Principal Amount Debt Instrument, Convertible, Conversion Ratio, Cash Conversion Ratio to Principal Amount Call option, shares Call Option Shares Number of shares which may be purchased under the convertible call option. Proceeds (payments) for sale (purchase) of call options Proceeds from Derivative Instrument, Financing Activities Warrants outstanding, shares Class of Warrant or Right, Number of Securities Called by Warrants or Rights Payments for Repurchase of Warrants Payments for Repurchase of Warrants Schedule of Preliminary Purchase Price Allocation Schedule of Business Acquisitions, by Acquisition [Table Text Block] Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Legacy TiVo Solutions Plan [Member] Legacy TiVo Solutions Plan [Member] Legacy TiVo Solutions Plan [Member] Legacy Rovi Plans [Member] Legacy Rovi Plans [Member] Legacy Rovi Plans [Member] Decrease in restructuring reserve Restructuring Reserve, Period Increase (Decrease) Accrual adjustment Restructuring Reserve Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of allowance For doubtful accounts Schedule Of Allowance For Doubtful Accounts Continuing Operations [Table Text Block] Schedule Of Allowance For Doubtful Accounts Continuing Operations [Table Text Block] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Accounts Payable and Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Interest income and other, net Interest and Other Income [Table Text Block] Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Principal outstanding Less: Unamortized debt discount Debt Instrument, Unamortized Discount Less: Unamortized debt issuance costs Unamortized Debt Issuance Expense Equity component Debt Instrument, Convertible, Carrying Amount of Equity Component Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock [Member] Treasury Stock [Member] Treasury Stock [Member] Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Statement Statement [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (common shares) Balance (treasury shares) Balance Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Issuance of common stock upon exercise of options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Issuance of common stock on exercise of options Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Cancellation of restricted stock, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Issuance of restricted stock, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance (cancellation) of restricted stock, net Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Equity-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Excess tax benefit associated with stock plans Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Equity component related to issuance of 2020 Convertible Notes Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature, Issuance Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature, Issuance Equity component related to 2020 Convertible Notes issuance costs Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature, Issuance Costs Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature, Issuance Costs Issuance of warrants related to 2020 Convertible Notes Adjustments to Additional Paid in Capital, Warrant Issued Purchase of call options related to 2020 Convertible Notes Adjustments to Additional Paid in Capital, Purchase of Options Adjustments to Additional Paid in Capital, Purchase of Options Issuance for common stock in connection with TiVo Acquisition (in shares) Issuance of common stock in connection with TiVo Acquisition Stock Issued During Period, Value, Acquisitions Cancellation of treasury stock (in shares) Treasury Stock, Shares, Retired Cancellation of treasury stock Treasury Stock, Retired, Cost Method, Amount Stock repurchase (in shares) Stock repurchases Dividends Dividends, Common Stock, Cash Withholding taxes related to net share settlement of restricted stock units (shares) Withholding taxes related to net share settlement of restricted stock units Balance Balance (treasury shares) Balance (common shares) Available-For-Sale And Other Investment Securities Schedule Of Available For Sale Securities Including Cash and Cash Equivalents [Table Text Block] Schedule Of Available For Sale Securities Including Cash and Cash Equivalents [Table Text Block] Fair Value And Gross Unrealized Losses Related To Available-For-Sale Securities Fair Value And Gross Unrealized Losses Related To Available-For-Sale Securities [Table Text Block] Fair value and gross unrealized losses related to available-for-sale securities [Table Text Block] Available-For-Sale Debt Investments At Fair Value Investments Classified by Contractual Maturity Date [Table Text Block]