Organization, Consolidation and Presentation of Financial Statements [Abstract] Interest and other income, net: Nonoperating Income (Expense) [Abstract] Interest income Interest and Other Income Net realized gain on investments Gain (Loss) on Investments Currency translation loss Foreign Currency Transaction Gain (Loss), before Tax Other expense Other Nonoperating Income (Expense) Interest expense Interest Expense Interest and other income, net Nonoperating Income (Expense) Fair Value Disclosures [Abstract] Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Change in Fair Values for Level Three Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income (loss) Net Income (Loss) Attributable to Parent Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Share-based compensation Share-based Compensation Amortization and write-off of acquired intangible assets Amortization and Impairment of Intangible Assets Amortization and Impairment of Intangible Assets Restructuring related charges Asset Impairment Charges Deferred income taxes and other Deferred Income Taxes and Tax Credits Gain on sale of a business Gain (Loss) on Disposition of Business Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Carnegie Mellon University accrued litigation settlement Increase Decrease Litigation Liabilities Increase Decrease Litigation Liabilities Accrued employee compensation Increase (Decrease) in Employee Related Liabilities Deferred income Increase (Decrease) in Deferred Revenue Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchases of available-for-sale securities Payments to Acquire Available-for-sale Securities Sales of available-for-sale securities Proceeds from Sale of Available-for-sale Securities Maturities of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Purchase of time deposits Payments to Acquire Time Deposits Payments to Acquire Time Deposits Maturities of time deposits Proceeds from Maturities of Time Deposits Proceeds from Maturities of Time Deposits Purchases of technology licenses Payments to Acquire Intangible Assets Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Net proceeds from sale of a business Proceeds from Divestiture of Businesses Other Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Repurchases of common stock Payments for Repurchase of Common Stock Proceeds from employee stock plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options Minimum tax withholding paid on behalf of employees for net share settlement Payments Related to Tax Withholding for Share-based Compensation Dividend payments to shareholders Payments of Dividends Payments on technology license obligations Payment on Technology License Obligation Payment on Technology License Obligation Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Discontinued Operations and Disposal Groups [Abstract] Major Classes of Assets and Liabilities and Results of Operations of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Investments, Debt and Equity Securities [Abstract] Gross realized gains Available-for-sale Securities, Gross Realized Gains Gross realized losses Available-for-sale Securities, Gross Realized Losses Total net realized gains (losses) Available-for-sale Securities, Gross Realized Gain (Loss) Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] U.S. government and agency debt US Government Agencies Debt Securities [Member] Foreign government and agency debt Foreign Government Agencies Debt Securities [Member] Foreign Government Agencies Debt Securities [Member] Municipal debt securities Municipal Bonds [Member] Corporate debt securities Corporate Debt Securities [Member] Equity securities Equity Securities [Member] Asset backed securities Asset-backed Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 12 months or more Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Total Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Unrealized Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract] Less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 months or more Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Other-than-temporary impairments associated with credit losses Certain Loans Acquired in Transfer Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, Credit Loss Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Assets held for sale: Assets Held-for-sale, Not Part of Disposal Group, Current [Abstract] Inventory Disposal Group, Including Discontinued Operation, Inventory, Current Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current Acquired intangible assets, net Disposal Group, Including Discontinued Operation, Intangible Assets, Current Other Disposal Group, Including Discontinued Operation, Other Assets, Current Assets held for sale for discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current Other assets held for sale Assets Held-for-sale, Not Part of Disposal Group, Current Total assets of the disposal group classified as held for sale Discontinued Operation, Assets, Current Discontinued Operation, Assets, Current Liabilities held for sale: Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] Deferred income Disposal Group, Including Discontinued Operation, Deferred Revenue Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Accounting Pronouncements Recently Adopted and Accounting Pronouncements Not Yet Effective New Accounting Pronouncements, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash flow hedges Cash Flow Hedging [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign currency forward contracts Foreign Exchange Forward [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Research and development Research and Development Expense [Member] Selling, general and administrative Selling and Marketing Expense [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Amount of Gains (Losses) in Statement of Operations Derivative, Gain (Loss) on Derivative, Net Inventory, Current [Table] Inventory, Current [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Third-party Logistics Providers Third Party Logistics [Member] Third Party Logistics [Member] Inventory [Line Items] Inventory [Line Items] Inventories: Inventory, Net [Abstract] Work-in-process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories Inventory, Net Deferred income: Deferred Revenue [Abstract] Deferred revenue Deferred Revenue Deferred cost of goods sold Deferred Costs, Current Deferred income Deferred Revenue, Current Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Unrealized Gain (Loss) on Marketable Securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Unrealized Gain (Loss) on Auction Rate Securities Accumulated Net Unrealized Investment Gain Loss Auction Rate Securities Attributable to Parent [Member] Changes to accumulated comprehensive income resulting from the net loss in value of auction rate securities. Unrealized Gain (Loss) on Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Net Change in Pension Liability Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Total AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Increase (Decrease) in AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Ending balance Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Net change in unrealized gain (loss) on marketable securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Net change in unrealized gain on cash flow hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Net change in pension liability Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term investments Short-term Investments Accounts receivable, net Accounts Receivable, Net, Current Inventories Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Assets held for sale Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Goodwill and acquired intangible assets, net Intangible Assets, Net (Including Goodwill) Other non-current assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Accrued employee compensation Employee-related Liabilities, Current Deferred income Liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities, Current Total current liabilities Liabilities, Current Non-current income taxes payable Accrued Income Taxes, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 9) Commitments and Contingencies Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Common shares, $0.002 par value Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders’ equity Total liabilities and shareholders’ equity Liabilities and Equity Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of accumulated other comprehensive income (loss) Reclassification out of Accumulated Other Comprehensive Income [Member] Available-for-sale securities Cash flow hedges Pension liability Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Interest and other income, net Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Net income (loss) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Income Tax Disclosure [Abstract] Current income tax expense (benefit) Current Income Tax Expense (Benefit) Net increase in unrecognized tax benefits Unrecognized Tax Benefits, Period Increase (Decrease) Expense related to other discrete items Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Unrecognized tax benefit, interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized tax benefit, changes in prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unrecognized tax benefit, release due to expiration of statute of limitations in non-U.S. jurisdictions Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Deferred tax benefit Deferred Income Tax Expense (Benefit) Uncertain tax positions, decrease from the lapse of statutes of limitation in various jurisdictions during next 12 months Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Tax incentives, decrease in foreign taxes Income Tax Holiday, Aggregate Dollar Amount Tax incentives, effect on net income per share (less than) (in usd per share) Income Tax Holiday, Income Tax Benefits Per Share Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Foreign Subsidiaries Foreign Subsidiaries [Member] Foreign Subsidiaries [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Cash, cash equivalents and short-term investments Cash, Cash Equivalents, and Short-term Investments Increase (decrease) in tax expense in the event of undistributed earnings needed by parent company or no longer considered indefinitely reinvested outside of Bermuda Increase (Decrease) in Income Taxes Undistributed earnings of foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Restructuring and Related Activities [Abstract] Severance and related costs Severance Costs Facilities and related costs Business Exit Costs Other exit-related costs Other Restructuring Costs Restructuring charges Restructuring Charges 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] Severance Employee Severance [Member] Other exit-related Other Restructuring [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Release of reserves Restructuring Reserve, Accrual Adjustment Impairment and write-off of assets: Asset Impairment Charges [Abstract] Technology license Impairment of Intangible Assets, Finite-lived Equipment and other Tangible Asset Impairment Charges, Including Gain (Loss) on Disposition of Property Plant Equipment Tangible Asset Impairment Charges, Including Gain (Loss) on Disposition of Property Plant Equipment Impairment and write-off of assets Restructuring related charges Restructuring Costs and Asset Impairment Charges Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Out-of-period Adjustments Related to Revenue Accruals and Other Expenses Out-of-period Adjustments Related to Revenue Accruals and Other Expenses [Member] Out-of-period Adjustments Related to Revenue Accruals and Other Expenses [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Revenue accruals Revenues Other expenses Other Expenses Income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Earnings per share from continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Basic and Diluted Share Hedge ineffectiveness from derivative financial instruments Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net Cash flow hedges were terminated as a result of forecasted transactions that did not occur Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net Other Commitments [Table] Other Commitments [Table] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Manufacturing Costs and Expenses Manufacturing Expense [Member] Manufacturing Expense [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Luna Litigation and Consolidated Cases Luna Litigation and Consolidated Cases [Member] Luna Litigation and Consolidated Cases [Member] Other Commitments [Line Items] Other Commitments [Line Items] Outstanding purchase orders Unrecorded Unconditional Purchase Obligation Number of additional claims consolidated Loss Contingency, Number of New Claims Consolidated Loss Contingency, Number of New Claims Consolidated Plaintiff's period to file an amended complaint Loss Contingency, Plaintiff's Period to File an Amended Complaint Loss Contingency, Plaintiff's Period to File an Amended Complaint Supplemental Financial Information Additional Financial Information Disclosure [Text Block] Schedule of Gain (Loss) on Investments [Table] Schedule of Gain (Loss) on Investments [Table] Total short-term investments Short-term Investments [Member] Time deposits Bank Time Deposits [Member] Total long-term investments Long Term Investment [Member] Long Term Investment [Member] Auction rate securities Auction Rate Securities [Member] Gain (Loss) on Investments [Line Items] Gain (Loss) on Investments [Line Items] Available-for-sale: Available-for-sale Securities [Abstract] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Estimated Fair Value Available-for-sale Securities Held-to-maturity: Held-to-maturity Securities [Abstract] Amortized Cost Held-to-maturity Securities Gross Unrealized Gains Held-to-maturity Securities, Accumulated Unrecognized Holding Gain Gross Unrealized Losses Held-to-maturity Securities, Accumulated Unrecognized Holding Loss Estimated Fair Value Held-to-maturity Securities, Fair Value Amortized Cost Investments Gross Unrealized Gains Investments, Accumulated Gross Unrealized Gain Investments, Accumulated Gross Unrealized Gain Gross Unrealized Losses Investments, Accumulated Gross Unrealized Loss Investments, Accumulated Gross Unrealized Loss Estimated Fair Value Investments, Fair Value Disclosure Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Reconciliation of Beginning and Ending Restructuring Liability Balances by Major Type of Costs Restructuring and Related Costs [Table Text Block] Derivative [Table] Derivative [Table] Buy Contracts Foreign Exchange Buy Contract [Member] Foreign Exchange Buy Contract [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Israeli shekel Israel, New Shekels Derivative [Line Items] Derivative [Line Items] Derivative, notional amount Derivative, Notional Amount Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] 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] Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [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] Money market funds Money Market Funds [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Short-term investments Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Other non-current assets Other Noncurrent Assets [Member] Severance pay fund Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Assets, Fair Value Disclosure [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Investments Prepaid expenses and other current assets Derivative Asset Other non-current assets Other Assets, Fair Value Disclosure Total assets Assets, Fair Value Disclosure Liabilities Liabilities, Fair Value Disclosure [Abstract] Accrued liabilities Accrued Liabilities, Fair Value Disclosure Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] Retained Earnings Retained Earnings [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Cumulative effect adjustment Cumulative Effect of New Accounting Principle in Period of Adoption Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Machinery and equipment Machinery and Equipment [Member] Buildings and building improvements Building and Building Improvements [Member] Computer software Software and Software Development Costs [Member] Land Land [Member] Leasehold improvements Leasehold Improvements [Member] Furniture and fixtures Furniture and Fixtures [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment, net Schedule of Investments [Abstract] Investments Investment Holdings [Text Block] Income Tax Income Tax Disclosure [Text Block] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Broadband Business Broadband Business [Member] Broadband Business [Member] MaxLinear, Inc. MaxLinear, Inc. [Member] MaxLinear, Inc. [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Number of businesses to be disposed of Disposal Group, Including Discontinued Operation, Number of Business to be Disposed of Disposal Group, Including Discontinued Operation, Number of Business to be Disposed of Proceeds from sale of business Pre-tax gain on sale of business Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Tax expense attributable to discontinued operations Discontinued Operation, Tax Effect of Discontinued Operation Earnings Per Share [Abstract] Weighted average shares outstanding: Earnings Per Share, Diluted, Other Disclosures [Abstract] Share-based awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Anti-dilutive Potential Shares Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Net Income (Loss) Per Share Earnings Per Share [Text Block] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity File Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Schedule of Deferred Income Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Schedule of Other Non-current Liabilities Other Noncurrent Liabilities [Table Text Block] Changes in Accumulated Other Comprehensive Income (Loss) by Components Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) by Components Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of Interest and Other Income, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Net revenue Disposal Group, Including Discontinued Operation, Revenue Operating costs and expenses: Disposal Group, Including Discontinued Operation, Costs and Expenses [Abstract] Disposal Group, Including Discontinued Operation, Costs and Expenses [Abstract] Cost of goods sold Disposal Group, Including Discontinued Operation, Costs of Goods Sold Research and development Disposal Group, Including Discontinued Operation, Research and Development Disposal Group, Including Discontinued Operation, Research and Development Selling, general and administrative Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense Operating costs and expenses Disposal Group, Including Discontinued Operation, Costs and Expenses Disposal Group, Including Discontinued Operation, Costs and Expenses Income (loss) from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Gain from sale of a business Provision for income taxes Income (loss) from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Information about Gains (Losses) Associated with Derivative Financial Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Basis of Presentation Business Description and Accounting Policies [Text Block] Restructuring Related Charges Restructuring, Impairment, and Other Activities Disclosure [Text Block] Summary of Investments Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Gross Realized Gains and Losses on Sales of Available-for-Sale Securities Realized Gain (Loss) on Investments [Table Text Block] Available-for-sale Securities Classified by Contractual Maturities Investments Classified by Contractual Maturity Date [Table Text Block] Unrealized Loss Position Investments Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Number of shares repurchased Stock Repurchased During Period, Shares Amount of shares repurchased Stock Repurchased During Period, Value Shares repurchased, average price per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Share repurchase program, remaining available for future share repurchases Stock Repurchase Program, Remaining Authorized Repurchase Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Sales and redemptions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) Ending balance Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Due in one year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due between one and five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due over five years Available for sale Securities, Debt Maturities, after Five Years, Amortized Cost Available for sale Securities, Debt Maturities, after Five Years, Amortized Cost Estimated Fair Value Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Due in one year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due between one and five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due over five years Available-for-sale Securities, Debt Maturities, after Five Years, Fair Value This item represents the fair value of debt securities which are expected to mature after five years from the balance sheet date which are categorized neither as held-to-maturity nor trading securities. Estimated Fair Value Common shares, par value (in usd per share) Common Stock, Par or Stated Value Per Share Other non-current liabilities: Other Liabilities, Noncurrent [Abstract] Deferred tax liabilities Deferred Tax Liabilities, Gross, Noncurrent Technology license obligations Contractual Obligation, Noncurrent Non current portion of contractual obligation as of the balance sheet date. Long-term accrued employee compensation Employee-related Liabilities, Noncurrent Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. For classified balance sheets, used to reflect the noncurrent portion of the liabilities (due beyond one year or one operating cycle, if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date). Other Other Accrued Liabilities, Noncurrent Other non-current liabilities Numerator: Net Income (Loss) Attributable to Parent [Abstract] Income (loss) from continuing operations Income (loss) from discontinued operations Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average shares — basic Weighted Average Number of Shares Outstanding, Basic Effect of dilutive securities: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Share-based awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares — diluted Weighted Average Number of Shares Outstanding, Diluted Income (loss) from continuing operations per share: Income (Loss) from Continuing Operations, Per Share [Abstract] Income (Loss) from Continuing Operations, Per Share [Abstract] Basic (in usd per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Income (loss) from discontinued operations per share: Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share [Abstract] Basic (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Diluted (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Net income (loss) per share: Earnings Per Share, Basic and Diluted [Abstract] Net income (loss) per share - basic (in usd per share) Earnings Per Share, Basic Net income (loss) per share - diluted (in usd per share) Earnings Per Share, Diluted Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] November 2016 Restructuring November 2016 Restructuring [Member] November 2016 Restructuring [Member] Research and Development Operations in Israel Research and Development Operations in Israel [Member] Research and Development Operations in Israel [Member] Mobile Platform Business Mobile Platform Business [Member] Mobile Platform Business [Member] Severance Benefits and Other Exit-related Costs Employee Severance and Other Restructuring [Member] Employee Severance and Other Restructuring [Member] Impairment of Technology Licenses Asset Impairment Charges [Member] Asset Impairment Charges [Member] Facilities and Related Costs Facility Closing [Member] Severance and Related Costs Restructuring related charges Restructuring charges Release of reserves Gain on disposal of equipment Gain (Loss) on Disposition of Property Plant Equipment Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Mobile & Other Prior Restructuring Mobile and Other Prior Restructuring [Member] Mobile and Other Prior Restructuring [Member] Other Exit-Related Costs Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring liabilities, beginning of balance Restructuring Reserve Net cash payments Payments for Restructuring Restructuring liabilities, ending balance Recent Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Accrued liabilities: Accrued Liabilities, Current [Abstract] Unsettled investment trades Unsettled Investment Trade Liabilities, Current Unsettled Investment Trade Liabilities, Current Restructuring liability Restructuring Reserve, Current Accrued royalties Accrued Royalties, Current Technology license obligations Contractual Obligation, Current Contractual Obligation, Current Accrued rebates Accrued Rebate, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for rebates. Accrued legal expense Accrued Professional Fees, Current Other Other Accrued Liabilities, Current Total accrued liabilities Income Statement [Abstract] Net revenue Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Operating costs and expenses: Costs and Expenses [Abstract] Research and development Selling, general and administrative Restructuring related charges Restructuring Costs Total operating expenses Costs and Expenses Operating income (loss) Operating Income (Loss) Income (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Provision (benefit) for income taxes Income Tax Expense (Benefit) Income (loss) from discontinued operations, net of tax Net income (loss) per share - Basic: Earnings Per Share, Basic [Abstract] Continuing operations (in usd per share) Discontinued operations (in usd per share) Net income (loss) per share - Diluted: Earnings Per Share, Diluted [Abstract] Continuing operations (in usd per share) Discontinued operations (in usd per share) Weighted average shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Cash dividends declared per share (in usd per share) Common Stock, Dividends, Per Share, Declared