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] U.S. government/agency securities [Member] US Treasury and Government [Member] Auction Rate Securities [Member] Auction Rate Securities [Member] Corporate Debt Securities [Member] Corporate Debt Securities [Member] Marketable Equity Securities [Member] Equity Securities [Member] Money Market Funds [Member] Money Market Funds [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Available-for-Sale securities Available-for-sale Securities [Abstract] Cost basis 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 Segment Reporting [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] All other Corporate, Non-Segment [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] Net revenue: Segment Reporting Information, Revenue for Reportable Segment [Abstract] Net revenue Revenue, Net Income from operations: Segment Reporting Information, Operating Income (Loss) [Abstract] Income from operations Operating Income (Loss) Interest expense Interest Expense Interest income Investment Income, Net Other income, net Other Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Document and Entity Information [Abstract] Document and entity information. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] 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 Restructuring and disposal costs Restructuring and disposal costs Restructuring and disposal costs IPR litigation costs Legal Fees Start-up costs Start-up costs Start-up costs Other expenses (including gain (loss) on assets and other miscellaneous corporate overhead) Other Unallocated Income Expense Other unallocated income expense. Income from operations Earnings Per Share [Abstract] Schedule of earnings per share [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Earnings Per Share [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] One-for-four reverse stock split Stockholders' Equity, Reverse Stock Split Numerator: Earnings Per Share Reconciliation [Abstract] Numerator for basic and diluted net income per share — net income available to common stockholders Net Income (Loss) Attributable to Parent Denominator: Denominator [Abstract] Denominator. Denominator for basic net income 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 income 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 Income Tax Disclosure [Abstract] Income tax expense Income Tax Expense (Benefit) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Increase in valuation allowance against net deferred tax assets Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Valuation allowance against net deferred tax assets Deferred Tax Assets, Valuation Allowance 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 Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Adjustments to reconcile net income 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 Excess tax benefit from exercises of stock options Excess Tax Benefit from Share-based Compensation, Operating Activities Deferred income taxes Deferred Income Tax Expense (Benefit) Foreign currency adjustments Foreign Currency Transaction Gain (Loss), Unrealized Loss on assets and other, 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. Realized gain on sale of marketable securities Marketable Securities, Realized Gain (Loss) 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 expense 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 payable/recoverable 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 Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Purchase of securities available-for-sale Payments to Acquire Available-for-sale Securities Proceeds from maturities of securities available-for-sale Proceeds from Sale and Maturity of Available-for-sale Securities Net cash provided by (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 debt Proceeds from (Repayments of) Debt Payment of debt Repayments of Long-term Debt Debt issuance cost Payments of Debt Issuance Costs Excess tax benefit from exercises of stock options Excess Tax Benefit from Share-based Compensation, Financing Activities 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 Restricted cash associated with financing activities Proceeds from (Repayments of) Restricted Cash, Financing Activities Other financing Repayments of Long-term Capital Lease Obligations Net cash used in 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 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 Carrying Value Cash and cash equivalents at the end of the period Capital expenditure adjustments included in liabilities Change in Capital Expenditures Incurred but Not Paid Change in Capital Expenditures Incurred but Not Paid Statement of Comprehensive Income [Abstract] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized gain (loss) 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] Realized gain on sale of marketable securities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Amortization of pension actuarial loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Income Statement [Abstract] Revenue Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development Research and Development Expense Marketing and selling Selling and Marketing Expense General and administrative General and Administrative Expense Other operating expense (Note 10) Other Operating Income (Expense), Net Total operating expenses Operating Expenses Income before income taxes Income tax expense (Note 5) Net income Net income per share (Note 2): Basic (in dollars per share) Diluted (in dollars per share) Weighted average shares of common stock outstanding (Note 2): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Convertible Notes Due 2014 [Member] Convertible Notes Due Two Thousand Fourteen [Member] Convertible notes due two thousand fourteen. Debt Instrument [Line Items] Debt Instrument [Line Items] Net Income (Loss) Per Share (Textual) Net Loss Income Per Share (Textual) [Abstract] Net loss income per share. Approximate number of shares excluded from the computation of diluted shares outstanding Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Initial aggregate principal amount of Notes issued Debt Instrument, Face Amount Repayments of Convertible Debt Repayments of Convertible Debt Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term investments (Note 6) Short-term Investments Accounts receivable, less allowance of $162 and $539 as of October 3, 2015 and March 28, 2015, respectively Accounts Receivable, Net, Current Inventories (Note 3) Inventory, Net Prepaid expenses Prepaid Expense, Current Other receivables Other Receivables Other current assets Other Assets, Current Deferred tax assets (Note 5) Deferred Tax Assets, Net of Valuation Allowance, Current Total current assets Assets, Current Property and equipment, net of accumulated depreciation of $682,261 at October 3, 2015 and $609,576 at March 28, 2015 Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net of accumulated amortization of $520,548 at October 3, 2015 and $268,926 at March 28, 2015 Finite-Lived Intangible Assets, Net Long-term investments (Note 6) Long-term Investments Other non-current assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Deferred tax liabilities (Note 5) Deferred Tax Liabilities, Net, Noncurrent Long-term debt (Note 4) Long-term Debt Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities 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, $.0001 par value; 405,000 shares authorized; 140,976 and 149,059 shares issued and outstanding at October 3, 2015 and March 28, 2015, 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) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] February 2015 Program [Member] February 2015 Program [Member] February 2015 Program [Member] August 2015 Program [Member] August 2015 Program [Member] August 2015 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 Inventory Disclosure [Abstract] 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 New Accounting Pronouncements and Changes in Accounting Principles [Abstract] RECENT ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Income Tax Policy Income Tax, Policy [Policy Text Block] Fair Value Measurements Policy Fair Value of Financial Instruments, Policy [Policy Text Block] Operating Segment Policy Segment Reporting, Policy [Policy Text Block] SHARE REPURCHASES Stockholders' Equity Note Disclosure [Text Block] NET INCOME PER SHARE Earnings Per Share [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] In Process Research and Development [Member] In Process Research and Development [Member] Segments [Axis] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] TriQuint Merger [Member] TriQuint Merger [Member] TriQuint Merger [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Purchase price Business Combination, Consideration Transferred Restructuring costs (including stock-based compensation) Business Combination, Restructuring Costs Business Combination, Restructuring Costs Integration-related costs Business Combination, Integration Related Costs Payments to Acquire in Process Research and Development Payments to Acquire in Process Research and Development Acquired in-process research and development percentage complete Acquired in-process research and development percentage complete Acquired in-process research and development percentage complete at the end of the period Remaining research and development costs Remaining research and development costs Remaining estimated research and development costs to complete Components of inventories Schedule of Inventory, Current [Table Text Block] 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] U.S. government/agency securities [Member] Equity Method Investments Equity Method Investments Available-for-sale Securities, Gross Realized Gains Available-for-sale Securities, Gross Realized Gains Investments and Fair Value Measurements (Textual) Investments And Fair Value Measurements (Textual) [Abstract] -- None. No documentation exists for this element. -- Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Cost-method investment impairment Asset Impairment Charges Available-for-sale securities Available-for-sale Securities [Table Text Block] Amortized cost of available-for-sale investments in debt securities with contractual maturities 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] Allowance for accounts receivable Allowance for Doubtful Accounts Receivable, Current Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization 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 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Money Market Funds [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] Assets, Fair Value Disclosure, Recurring Assets, Fair Value Disclosure, Recurring Invested funds in deferred compensation plan Deferred Compensation Plan Assets Total assets measured at fair value on a recurring basis Available-for-sale Securities, Debt Securities Invested funds in deferred compensation plan Deferred Compensation Liability, Current and Noncurrent Liabilities, Fair Value Disclosure, Recurring Liabilities, Fair Value Disclosure, Recurring Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Rate [Member] Federal Funds Rate [Member] Federal Funds Rate [Member] Eurodollar [Member] Eurodollar [Member] Base Rate [Member] Base Rate [Member] 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] 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 Long-term Line of Credit Long-term Line of Credit Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 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 Event [Table] Subsequent Event [Table] November 2015 Program [Member] November 2015 Program [Member] November 2015 Program [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast [Member] Scenario, Forecast [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Senior Notes Senior Notes OPERATING SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] INCOME TAXES Income Tax Disclosure [Text Block] INVENTORIES Inventory Disclosure [Text Block] 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. INVESTMENTS AND FAIR VALUE MEASUREMENTS Investments and Fair Value Measurements [Text Block] Investments and fair value measurements. 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] BUSINESS ACQUISITION Mergers, Acquisitions and Dispositions Disclosures [Text Block] BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Securities [Member] Debt Securities [Member] Cost of investments in debt securities due in less than one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Cost of investments in 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 investments in 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 debt securities due after ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Estimated fair value