Inventory Disclosure [Abstract] INVENTORIES Inventory Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] All other Corporate, Non-Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Reconciliation of "All other" category: Segment Reporting Information Other [Abstract] Segment reporting information other. Stock-based compensation expense Share-based Compensation Amortization of intangible assets Amortization of Intangible Assets Acquisition and integration related costs Business Combination, Acquisition And Integration related costs Business Combination, Acquisition And Integration related costs Acquired inventory step-up and revaluation Acquired inventory step-up and revaluation Aquisition related inventory step-up and revaluation Restructuring and disposal costs Restructuring and disposal costs Restructuring and disposal costs Start-up costs Start-up costs Start-up costs Other income (expense) (including gain (loss) on assets and other miscellaneous corporate overhead) Other Unallocated Income Expense Other unallocated income expense. Loss from operations for “All other” Operating Income (Loss) Investments and Fair Value Measurements [Abstract] Investments and fair value measurements. Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Auction Rate Securities [Member] Auction Rate Securities [Member] Money Market Funds [Member] Money Market Funds [Member] Schedule of Cash equivalents and available-for-sale securities Schedule of Available-for-sale Securities [Line Items] Cash equivalents and available-for-sale securities Available-for-sale Securities [Abstract] Cost basis Available-for-sale Securities, Amortized Cost Basis Gross unrealized losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Estimated fair value Available-for-sale Securities Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Stock Repurchase Program [Axis] Share Repurchase Program [Axis] Stock Repurchase Program [Domain] Share Repurchase Program [Domain] November 2016 Program [Member] November 2016 Program [Member] November 2016 Program [Member] Class of Stock [Line Items] Class of Stock [Line Items] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Value Stock Repurchased During Period, Value Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Cavendish [Member] Cavendish [Member] Cavendish [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Document Period End Date Document Period End Date Equity Method Investments Equity Method Investments Investments and Fair Value Measurements (Textual) Investments And Fair Value Measurements (Textual) [Abstract] -- None. No documentation exists for this element. -- INVESTMENTS AND FAIR VALUE MEASUREMENTS Investments and Fair Value Measurements [Text Block] Investments and fair value measurements. Earnings Per Share [Abstract] Reconciliation of the numerators and denominators in the computation of basic and diluted net income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Consolidating Financial Information [Abstract] Consolidating Financial Information [Abstract] Condensed Balance Sheet [Table Text Block] Condensed Balance Sheet [Table Text Block] Condensed Statement of Comprehensive Income [Table Text Block] Condensed Statement of Comprehensive Income [Table Text Block] Condensed Cash Flow Statement [Table Text Block] Condensed Cash Flow Statement [Table Text Block] Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Schedule of finite-lived and indefinite-lived intangible assets [Table Text Block] Schedule of finite-lived and indefinite-lived intangible assets [Table Text Block] Schedule of finite-lived and indefinite-lived intangible assets [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Eliminations and Reclassifications Consolidation, Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Parent Company Parent Company [Member] Statement [Line Items] Statement [Line Items] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, less allowance Accounts Receivable, Net, Current Intercompany accounts and receivable Intercompany receivables Intercompany receivables Inventories Inventory, Net Prepaid expenses Prepaid Expense, Current Other receivables Other Receivables Other current assets Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Finite-Lived Intangible Assets, Net Long-term investments Long-term Investments Long-term intercompany accounts and notes receivable Intercompany Notes Receivable, Long-Term Intercompany Notes Receivable, Long-Term Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Deferred tax assets Deferred Tax Assets, Net, Noncurrent Other non-current assets Other Assets, Noncurrent Total assets Assets Accounts payable Accounts Payable, Current Intercompany accounts and notes payable Intercompany accounts and notes payable Intercompany accounts and notes payable Accrued liabilities Accrued Liabilities, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt Deferred tax liabilities Deferred Tax Liabilities, Net, Noncurrent Intercompany accounts and notes payable, long-term Intercompany accounts and notes payable, long-term Intercompany accounts and notes payable, long-term Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity New Accounting Pronouncements and Changes in Accounting Principles [Abstract] RECENT ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Income Tax Policy Income Tax, Policy [Policy Text Block] Fair Value Measurements Policy Fair Value Measurement, Policy [Policy Text Block] Operating Segment Policy Segment Reporting, Policy [Policy Text Block] Consolidating Financial Information [Text Block] Consolidating Financial Information [Text Block] Consolidating Financial Information [Text Block] Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Change in Accounting Method Accounted for as Change in Estimate [Member] Change in Accounting Method Accounted for as Change in Estimate [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Change in Accounting Estimate Impact, Depreciation Expense Change in Accounting Estimate Impact, Depreciation Expense Change in Accounting Estimate Impact, Depreciation Expense Change in Accounting Estimate Impact, Income from Operations New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results Change in Accounting Estimate Impact, Inventory Change in Accounting Estimate Impact, Inventory Change in Accounting Estimate Impact, Inventory Change in Accounting Estimate Impact, Net Income New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income Change in Accounting Estimate Impact, Diluted Earnings Per Share New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Operating Segments Operating Segments [Member] Statement, Business Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] MP Mobile Products [Member] Mobile Products [Member] IDP Infrastructure and Defense Products [Member] Infrastructure and Defense Products [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Summary of details of reportable segments Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Revenue: Segment Reporting Information, Revenue for Reportable Segment [Abstract] Net revenue Revenue, Net Income from operations: Segment Reporting Information, Operating Income (Loss) [Abstract] Income (loss) from operations Interest expense (Note 6) Interest Expense Interest income Investment Income, Net Other expense Other Nonoperating Income (Expense) Loss before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest NET INCOME PER SHARE Earnings Per Share [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Default rate [Member] Default rate [Member] Default rate [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Bank of America Syndicate [Member] Bank of America Syndicate [Member] Bank of America Syndicate [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Credit Agreement [Member] Credit Agreement [Member] Credit Agreement [Member] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Standby Letters of Credit [Member] Standby Letters of Credit [Member] Swingline Loan [Member] Bridge Loan [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 6.75% Senior Notes due 2023 [Member] 6.75% Senior Notes due 2023 [Member] 6.75% Senior Notes due 2023 [Member] 7.00% Senior Notes due 2025 [Member] 7.00% Senior Notes due 2025 [Member] 7.00% Senior Notes due 2025 [Member] Senior Notes [Member] Senior Notes [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Face Amount Debt Instrument, Face Amount Stated Interest Rate Debt Instrument, Interest Rate, Stated Percentage Proceeds from Lines of Credit Proceeds from Lines of Credit Interest Expense, Borrowings Interest Expense, Borrowings Interest Costs Capitalized Interest Costs Capitalized Long-term Debt, Fair Value Long-term Debt, Fair Value Interest Paid Interest Paid Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum amount of increase that may be requested Line of Credit Facility, Maximum amount of increase that may be requested Line of Credit Facility, Maximum amount of increase that may be requested Line of Credit Facility, Maximum Consolidated Total Leverage Ratio Allowed Line of Credit Facility, Maximum Consolidated Total Leverage Ratio Allowed Line of Credit Facility, Maximum Consolidated Total Leverage Ratio Allowed Line of Credit Facility, Minimum Consolidated Interest Coverage Ratio Required Line of Credit Facility, Minimum Consolidated Interest Coverage Ratio Required Line of Credit Facility, Minimum Consolidated Interest Coverage Ratio Required Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Subsequent Events [Abstract] Subsequent Event Subsequent Events [Text Block] Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Numerator: Earnings Per Share Reconciliation [Abstract] Numerator for basic and diluted net loss per share — net loss available to common stockholders Net Income (Loss) Attributable to Parent Denominator: Denominator [Abstract] Denominator. Denominator for basic net loss per share — weighted average shares Weighted Average Number of Shares Outstanding, Basic Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Stock-based awards Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Denominator for diluted net loss per share — adjusted weighted average shares and assumed conversions Weighted Average Number of Shares Outstanding, Diluted Basic net income per share (in dollars per share) Earnings Per Share, Basic Diluted net income per share (in dollars per share) Earnings Per Share, Diluted Revenue Cost of Goods Sold Cost of Goods Sold Gross profit Gross Profit Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Other operating expense Other Operating Income (Expense), Net Total operating expenses Operating Expenses (Loss) income from operations Interest expense Other expense (income) Loss before income taxes Income tax benefit (Note 7) Income Tax Expense (Benefit) Income in subsidiaries Income (Loss) from Subsidiaries, Net of Tax Net loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents (Note 8) Accounts receivable, less allowance of $60 and $58 as of July 1, 2017 and April 1, 2017, respectively Inventories (Note 4) Property and equipment, net of accumulated depreciation of $1,020,744 at July 1, 2017 and $981,328 at April 1, 2017 Goodwill Intangible assets, net (Note 5) Long-term investments (Note 8) LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Long-term debt (Note 6) Deferred tax liabilities (Note 7) Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $.0001 par value; 5,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Common stock and additional paid-in capital, $.0001 par value; 405,000 shares authorized; 127,225 and 126,464 shares issued and outstanding at July 1, 2017 and April 1, 2017, respectively Common Stock, Value, Issued Accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Summary of details of reportable segments Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Summary of reconciliation of "All other" category Segment Reporting Information Other [Table Text Block] Segment reporting information other. 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 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 Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Amortization and other non-cash items Amortization Deferred income taxes Deferred Income Tax Expense (Benefit) Foreign currency adjustments Foreign Currency Transaction Gain (Loss), Unrealized (Gain) loss on investments and other assets, net Gain (loss) on assets and other, net The gains (losses) included in earnings resulting from the sale or disposal of tangible or intangible assets. Stock-based compensation expense Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other current and non-current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income tax (recoverable) / payable Increase (Decrease) in Income Taxes Payable Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Purchase of a business, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchase of available-for-sale securities Payments to Acquire Available-for-sale Securities Proceeds from maturities and sales of available-for-sale securities Proceeds from Sale and Maturity of Available-for-sale Securities Other investing activities Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from the issuance of common stock Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Repurchase of common stock, including transaction costs Payments for Repurchase of Common Stock Tax withholding paid on behalf of employees for restricted stock units Payments Related to Tax Withholding for Share-based Compensation Other financing activities Proceeds from (Payments for) Other Financing Activities Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash 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 the beginning of the period Cash and cash equivalents at the end of the period Capital expenditure adjustments included in accounts payable and accrued liabilities Change in Capital Expenditures Incurred but Not Paid Change in Capital Expenditures Incurred but Not Paid Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Segments [Axis] 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] Developed Technology Developed Technology Rights [Member] Customer Relationships Customer Relationships [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Completed and transferred acquired in-process research and development during period Completed and transferred acquired in-process research and development during period Completed and transferred acquired in-process research and development during period - the amount of acquired IPRD for which development was completed during the period and -was transferred from indefinite-lived intangibles to finite-lived intangibles during the period. Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Amortization of Intangible Assets Components of inventories Schedule of Inventory, Current [Table Text Block] OPERATING SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] In Process Research and Development [Member] In Process Research and Development [Member] Licensing Agreements [Member] Licensing Agreements [Member] Wafer Supply Agreement [Member] Wafer Supply Agreement [Member] Wafer supply agreement. Trade Names [Member] Trade Names [Member] Order or Production Backlog [Member] Order or Production Backlog [Member] Noncompete Agreements [Member] Noncompete Agreements [Member] Intangible Assets Finite-Lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-Lived Intangible Assets (Excluding Goodwill) Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible Assets, Gross (Excluding Goodwill) Intangible Assets, Gross (Excluding Goodwill) Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Income from operations Operating Income (Loss) [Member] Income (loss) in subsidiaries Income (loss) in subsidiaries [Member] Income (loss) in subsidiaries [Member] Immaterial corrections Prior Period Reclassification Adjustment Allowance for accounts receivable Allowance for Doubtful Accounts Receivable, Current Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Preferred stock, par value Preferred Stock, No Par Value Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value Common Stock, No Par Value Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Debt Securities [Member] Debt Securities [Member] Schedule of Expected Maturities of Cash Equivalents and Available-for-Sale Securities[Line Items] Cost of investments in cash equivalents and debt securities due in less than one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Cost of investments in cash equivalents and debt securities due after ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Cost Available-for-sale Debt Securities, Amortized Cost Basis Estimated fair value of investments in cash equivalents and debt securities due in less than one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Estimated fair value of investments in cash equivalents and debt securities due after ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Estimated fair value Available-for-sale Securities, Debt Securities Change in Estimate Accounting Changes and Error Corrections [Text Block] STOCK REPURCHASES Stockholders' Equity Note Disclosure [Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Net Income (Loss) Per Share (Textual) Net Loss Income Per Share (Textual) [Abstract] Net loss income per share. Initial aggregate principal amount of Notes issued Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Money Market Funds [Member] Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring [Member] Fair Value, Measurements, Recurring [Member] Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value Available-for-sale securities Invested funds in deferred compensation plan Deferred Compensation Plan Assets Total assets measured at fair value Assets, Fair Value Disclosure, Recurring Deferred compensation plan obligation Deferred Compensation Liability, Current and Noncurrent Total liabilities measured at fair value Liabilities, Fair Value Disclosure, Recurring Subsequent Event [Table] Subsequent Event [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Equity method investments, potential additional equity investments Equity method investments, potential additional equity investments Equity method investments, potential additional equity investments Components of inventories Inventory, Net, Items Net of Reserve Alternative [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Deferred tax assets Deferred Taxes [Member] Deferred Taxes [Member] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Principles, Early Adoption [Domain] New Accounting Principles, Early Adoption [Domain] New Accounting Pronouncement, Early Adoption, Effect [Member] New Accounting Pronouncement, Early Adoption, Effect [Member] New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Income tax benefit Effective tax rate Effective Income Tax Rate Reconciliation, Percent Gross unrecognized tax benefits Unrecognized Tax Benefits Change in unrecognized tax benefits arising from increases related to current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Income Statement [Abstract] Cost of goods sold Operating expenses: Operating Expenses [Abstract] Net loss per share (Note 3): Basic Diluted Weighted average shares of common stock outstanding (Note 3): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Diluted Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Available-for-sale Securities Net Cash Provided by (Used in) Investing Activities Proceeds from debt issuances Proceeds from (Repayments of) Debt Payment of debt Repayments of Long-term Debt Excess tax benefit from exercises of stock options Excess Tax Benefit from Share-based Compensation, Financing Activities Debt issuance costs Payments of Debt Issuance Costs Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Payments for Repurchase of Common Stock Payments Related to Tax Withholding for Share-based Compensation Net transactions with related parties Net transactions with related parties Net transactions with related parties Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate on Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized gain on marketable securities, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Foreign currency translation adjustment, including intra-entity foreign currency transactions that are of a long-term-investment nature Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Reclassification adjustments, net of tax: AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Amortization of pension actuarial loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total comprehensive loss Cash equivalents and available-for-sale securities Available-for-sale Securities [Table Text Block] Expected distribution of cash equivalents and available-for-sale debt securities Investments Classified by Contractual Maturity Date [Table Text Block] Fair value of the financial assets measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis [Table Text Block]