Document Type Document Type Other income, net Other Nonoperating Income (Expense) Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Bridge Loan Bridge Loan [Member] Senior Notes Due 2026 Senior Notes Due 2026 [Member] Senior Notes Due 2026 Term Loan Term Loan [Member] Term Loan [Member] Changes in Accumulated Other Comprehensive Income (Loss) by Components Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Fiscal 2022 Plan Fiscal 2022 Plan [Member] Fiscal 2022 Plan IPR&D IPR&D In Process Research and Development [Member] China CHINA Level 3 Fair Value, Inputs, Level 3 [Member] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Networking Networking Product Group [Member] Networking Product Group [Member] Repurchase of common stock (in shares) Stock Repurchased During Period, Shares Debt financing costs Debt Issuance Costs, Gross Convertible debt capped calls Derivative Asset Statistical Measurement [Domain] Statistical Measurement [Domain] Number of common shares issued per acquiree share (in shares) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Line of Credit Line of Credit [Member] Short-term convertible debt Convertible Debt, Current Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Deferred tax liabilities Deferred Income Tax Liabilities, Net Security Exchange Name Security Exchange Name Acquired intangible assets, net Net Carrying Amounts, Total acquired intangible assets Intangible Assets, Net (Excluding Goodwill) Deferred revenue Deferred Revenue, Current Call Option Call Option [Member] Proceeds from issuance of debt Proceeds from Issuance of Long-term Debt Operating loss Operating Income (Loss) Total current liabilities Liabilities, Current Long-term debt Other Long-term Debt, Noncurrent Accounts payable and accrued liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accounts Payable And Accrued Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accounts Payable And Accrued Liabilities Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Accrued legal reserve Accrued Professional Fees, Current Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Non-current income tax payable 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). 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Award Vesting Period Furniture and fixtures Furniture and Fixtures [Member] Entity Address, State or Province Entity Address, State or Province Accounts payable Accounts Payable, Current 2025 Long-Term Debt, Maturity, Year Three Percentage of common stock related to capped calls Debt Instrument, Convertible, Percentage Of Common Stock Related To Capped Calls Debt Instrument, Convertible, Percentage Of Common Stock Related To Capped Calls Retained earnings Retained Earnings (Accumulated Deficit) Operating right-of-use assets Operating Lease, Right-of-Use Asset Order backlog Order Backlog [Member] Order Backlog Weighted average remaining amortization period (years) Weighted-Average Useful Life (Years) Weighted-Average Remaining Amortization Period (Years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Product Concentration Risk Product Concentration Risk [Member] Other Other Accrued Liabilities, Noncurrent Property and equipment, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Capped Call Transaction, Inphi 2025 Convertible Notes Capped Call Transaction, Inphi 2025 Convertible Notes [Member] Capped Call Transaction, Inphi 2025 Convertible Notes Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Share-based compensation expense to be recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Increase (Decrease) in AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Cavium & Aquantia Cavium And Aquantia [Member] Cavium And Aquantia Balance at beginning of period (in shares) Balance at end of period (in shares) Shares, Outstanding Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Common shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Other Non-current Liabilities Other Noncurrent Liabilities [Table Text Block] Other non-current liabilities Other non-current liabilities Other Liabilities, Noncurrent Deferred tax assets Deferred Income Tax Assets, Net Capped call fixed payment Payments For Settlement Of Capped Call Related To Convertible Debt Payments For Settlement Of Capped Call Related To Convertible Debt Other, net Payments for (Proceeds from) Other Investing Activities Interest income Investment Income, Nonoperating Other Other Countries [Member] Other Countries [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Work-in-process Inventory, Work in Process, Net of Reserves Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Distributors Sales Channel, Through Intermediary [Member] Inventories Inventories Inventory, Net Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Net revenue Revenue from Contract with Customer, Excluding Assessed Tax Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Measurement Frequency [Domain] Measurement Frequency [Domain] % of Total Concentration Risk, Percentage Business Acquisition [Axis] Business Acquisition [Axis] Geographical [Domain] Geographical [Domain] Conversion ratio Debt Instrument, Convertible, Conversion Ratio Statement [Line Items] Statement [Line Items] Common stock issued to Inphi common stockholders (in shares) Stock Issued During Period, Shares, Acquisitions Schedule of Anti-dilutive Potential Shares Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Net loss per share: Earnings Per Share, Basic and Diluted [Abstract] Debt term Debt Instrument, Term Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Accrued interest Interest Payable, Current Acquisition related costs Business Combination, Acquisition Related Costs Number of lenders Line Of Credit Facility, Number Of Lenders Line Of Credit Facility, Number Of Lenders Statement [Table] Statement [Table] Conversion Three Conversion Three [Member] Conversion Three Type of Restructuring [Domain] Type of Restructuring [Domain] Statistical Measurement [Axis] Statistical Measurement [Axis] Convertible Debt Securities Convertible Debt Securities [Member] Credit Facility [Axis] Credit Facility [Axis] Foreign Subsidiaries Foreign Subsidiaries [Member] Foreign Subsidiaries [Member] Fair value Debt Instrument, Fair Value Disclosure Conversion feature of convertible notes Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature Long-term convertible debt Convertible Debt, Noncurrent Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Business Combinations [Abstract] Business Combinations [Abstract] Entity Small Business Entity Small Business Net loss Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Outstanding purchase orders Unrecorded Unconditional Purchase Obligation Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Redemption price Debt Instrument, Redemption Price, Amount Debt Instrument, Redemption Price, Amount Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Debt Disclosure [Text Block] Deferred non-recurring engineering credits Deferred Non-Recurring Engineering Credit Deferred Non-Recurring Engineering Credit Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Selling, general and administrative Selling, General and Administrative Expenses [Member] Amendment Flag Amendment Flag Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Thereafter Long Term Debt, Maturity, After Year Four Long Term Debt, Maturity, After Year Four Weighted-average shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Unrecognized tax benefit, interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Purchase Price Allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Other Other Accrued Liabilities, Current Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Amounts reclassified from accumulated other comprehensive income Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Convertible debt (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Measurement Frequency [Axis] Measurement Frequency [Axis] Unrealized Gain (Loss) on Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Accrued liabilities: Accrued Liabilities, Current [Abstract] Pre-acquisition service Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Of Awards Assumed In Acquisition, Pre-acquisition Service Value Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Of Awards Assumed In Acquisition, Pre-acquisition Service Value Derivative Instrument [Axis] Derivative Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Schedule of Finite-Lived Intangible Assets by Major Class Schedule of Finite-Lived Intangible Assets [Table Text Block] Senior Notes Notes Senior Notes [Member] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Geographical [Axis] Geographical [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 3-Year Tranche Loan Three-Year Tranche Loan [Member] Three-Year Tranche Loan 2018 Term Loan 2018 Term Loan [Member] 2018 Term Loan Pro forma net loss Business Acquisition, Pro Forma Net Income (Loss) 2026 Long-Term Debt, Maturity, Year Four Loss before income taxes Income (Loss) Attributable to Parent, before Tax Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Income Statement Location [Axis] Income Statement Location [Axis] Common stock issued to Inphi common stockholders Stock Issued During Period, Value, Acquisitions Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Statement Location [Domain] Income Statement Location [Domain] Short-term Debt Short-term Debt [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Conversion Two Conversion Two [Member] Conversion Two Selling, general and administrative Selling, General and Administrative Expense Amortization of acquired intangible assets Amortization of Intangible Assets Line of Credit Facility [Table] Line of Credit Facility [Table] Inphi 2025 Convertible Notes Inphi 2025 Convertible Notes [Member] Inphi 2025 Convertible Notes Basis of Presentation Business Description and Accounting Policies [Text Block] Other non-current assets Other non-current assets Other Assets, Noncurrent Plan Name [Axis] Plan Name [Axis] Threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Issuance of common shares in connection with equity incentive plans Stock Issued During Period, Value, New Issues Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total assets Assets Scenario [Axis] Scenario [Axis] Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Interest expense Interest Expense, Debt Title of 12(b) Security Title of 12(b) Security Schedule of Current Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Shares issued in conversion (in shares) Debt Conversion, Converted Instrument, Shares Issued Net Carrying Amounts Finite-Lived Intangible Assets, Net Cash consideration for director and employee accelerated equity awards Business Combination, Cash Consideration Transferred, Director And Employee Accelerated Awards Business Combination, Cash Consideration Transferred, Director And Employee Accelerated Awards Subsequent Event Type [Axis] Subsequent Event Type [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Technology license obligations Technology License Obligation, Noncurrent Non current portion of contractual obligation as of the balance sheet date. Ratio of trading price per 1000 principal amount Debt Instrument, Convertible, Ratio of Trading Price Per 1000 Principal Amount Debt Instrument, Convertible, Ratio of Trading Price Per 1000 Principal Amount Variable consideration estimates Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress Cost of goods sold Cost of Sales [Member] Severance pay fund Other Assets, Fair Value Disclosure Interest expense Interest expense Interest Expense Schedule of Other Non-current Assets Schedule of Other Assets, Noncurrent [Table Text Block] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Unrecognized tax benefits increase Unrecognized Tax Benefits, Period Increase (Decrease) Product and Service [Axis] Product and Service [Axis] Senior Notes Due 2031 Senior Notes Due 2031 [Member] Senior Notes Due 2031 Inventories acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory Total liabilities Liabilities Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] 2024 Long-Term Debt, Maturity, Year Two Revenue recognized Contract with Customer, Liability, Revenue Recognized Cash consideration (in dollars per share) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Cash Paid Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Cash Paid Per Acquiree Share