Subsequent Events [Abstract] SUBSEQUENT EVENT Subsequent Events [Text Block] Earnings Per Share [Abstract] 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 Interest Paid Interest Paid Merger Agreement [Abstract] Merger Agreement [Abstract] MERGER AGREEMENT Mergers, Acquisitions and Dispositions Disclosures [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 [Member] Corporate, Non-Segment [Member] Statement, Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Other operating segment [Member] Other Segments [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. Share-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 Certain consulting expense Certain consulting expense Certain consulting expense Other expenses ((loss) gain on property and equipment, and start-up costs) Other Unallocated Income Expense Other unallocated income expense. Income from operations Operating Income (Loss) New Accounting Pronouncements and Changes in Accounting Principles [Abstract] RECENT ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] RFMD [Member] RFMD [Member] RFMD [Member] Qorvo Parent Company [Member] TriQuint [Member] TriQuint [Member] TriQuint [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Pro Forma [Member] Pro Forma [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] 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] Pro forma revenue Business Acquisition, Pro Forma Revenue Purchase price Business Combination, Consideration Transferred Share exchange ratio (before giving effect to the reverse stock split) Share exchange ratio (before giving effect to the reverse stock split) Share exchange ratio (before giving effect to the reverse stock split) Share Price Share Price Net tangible assets acquired and liabilities assumed Business Combination, Net Tangible Assets Acquired and Liabilities Assumed Business Combination, Net Tangible Assets Acquired and Liabilities Assumed Number of rights to receive per share Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Par value of common stock Common Stock, Par or Stated Value Per Share Conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio One-for-four reverse stock split Stockholders' Equity, Reverse Stock Split Acquisition-related costs Business Combination, Acquisition Related Costs Integration-related costs Business Combination, Integration Related Costs 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] 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 Income Statement [Abstract] Revenue Revenue, Net 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 9) Other Operating Income (Expense), Net Total operating expenses Operating Expenses Interest expense Interest Expense Interest income Investment Income, Net Other (expense) 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 Income tax expense (Note 5) Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Net income per share (Note 2): Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Shares used in per share calculation (Note 2): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted INVESTMENTS AND FAIR VALUE MEASUREMENTS Investments and Fair Value Measurements [Text Block] Investments and fair value measurements. Statement of Financial Position [Abstract] 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 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, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Numerator: Earnings Per Share Reconciliation [Abstract] Numerator for basic and diluted net income per share — net income available to common shareholders Denominator: Denominator [Abstract] Denominator. Denominator for basic net income per share — weighted average shares Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Share-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 Basic net income per share (in dollars per share) Diluted net income per share (in dollars per share) Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] U.S. government/agency securities [Member] 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, Less than Twelve Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Available-for-sale Securities, Gross Realized Gain (Loss) Available-for-sale Securities, Gross Realized Gain (Loss) Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 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 Impairment of certain property and equipment Impairment of Long-Lived Assets to be Disposed of Fair value of certain property and equipment Assets Held-for-sale, Long Lived, Fair Value Disclosure Loss on the sale of certain property and equipment Gain (Loss) on Disposition of Property Plant Equipment 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] Inventory Disclosure [Abstract] INVENTORIES Inventory Disclosure [Text Block] 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] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Operating Segments [Member] Operating Segments [Member] CPG [Member] Cellular Products Group [Member] Cellular Products Group. MPG [Member] Multi Market Products Group [Member] Multi-Market Products Group. 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 Income (loss) from operations: Segment Reporting Information, Operating Income (Loss) [Abstract] Income (loss) from operations Income before income taxes 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. Income from equity investment Income (Loss) from Equity Method Investments Share-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 Sale of business Proceeds from Divestiture of Businesses Purchase of intangibles Payments to Acquire Intangible Assets 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 used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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 Repayment of capital lease obligations 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) 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 Carrying Value Cash and cash equivalents at the end of the period Change in Capital Expenditures Incurred but Not Paid Change in Capital Expenditures Incurred but Not Paid Change in Capital Expenditures Incurred but Not Paid Components of inventories Schedule of Inventory, Current [Table Text Block] 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 $553 and $313 as of December 27, 2014 and March 29, 2014, respectively Accounts Receivable, Net, Current Inventories (Note 3) Inventory, Net Prepaid expenses Prepaid Expense, Current Other receivables Other Receivables Other current assets (Note 5) Other Assets, Current Total current assets Assets, Current Property and equipment, net of accumulated depreciation of $576,112 at December 27, 2014 and $552,901 at March 29, 2014 Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Finite-Lived Intangible Assets, Net Long-term investments (Note 6) Long-term Investments Other non-current assets (Note 5) 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 Current portion of long term debt, net of unamortized discount (Note 4) Long-term Debt, Current Maturities Other current liabilities (Note 5) Other Liabilities, Current Total current liabilities Liabilities, Current Other long-term liabilities (Note 5) Other Liabilities, Noncurrent Total liabilities Liabilities Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, no par value; 5,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Common stock, no par value; 500,000 shares authorized; 72,811 and 71,215 shares issued and outstanding at December 27, 2014 and March 29, 2014, respectively Common Stock, Value, Issued Accumulated other comprehensive income (loss), net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total shareholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and shareholders’ equity Liabilities and Equity 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 Pro forma revenue Business Acquisition, Pro Forma Information [Table Text Block] Debt Disclosure [Abstract] 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] 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 Maximum investment in foreign subsidiaries Maximum Investment in Foreign Subsidiaries Maximum Investment in Foreign Subsidiaries Line of Credit Facility, Amount Outstanding Long-term Line of Credit 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 Available-for-sale Securities, Debt Securities Income Tax Disclosure [Abstract] Income tax expense Effective tax rate Effective Income Tax Rate Reconciliation, Percent Decrease 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, Increase Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions NET INCOME PER SHARE Earnings Per Share [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized (loss) 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: Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract] 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 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] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Money Market Funds [Member] 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] Fair value of financial assets measured at fair value on a recurring basis INCOME TAXES Income Tax 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 DEBT Debt Disclosure [Text Block] 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] OPERATING SEGMENT INFORMATION Segment Reporting 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.