$MXL
MAXLINEAR, INC Stock $mxl

$mxl Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000128846921000251 Filed on October 27, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q4
Revenue	$247.9M	$229.8M	$194.7M
YoY Change	27.31%	46.7%	178.09%
Cost Of Revenue	$106.1M	$99.98M	$111.6M
YoY Change	-4.92%	10.57%	234.13%
Gross Profit	$141.8M	$129.8M	$83.09M
YoY Change	70.64%	96.04%	126.86%
Gross Profit Margin	57.19%	56.49%	42.67%
Selling, General & Admin	$33.19M	$38.47M	$30.00M
YoY Change	10.64%	-7.72%	97.37%
% of Gross Profit	23.41%	29.64%	36.11%
Research & Development	$73.32M	$67.54M	$70.50M
YoY Change	4.0%	21.0%	200.0%
% of Gross Profit	51.71%	52.04%	84.85%
Depreciation & Amortization	$24.35M	$4.700M	$22.70M
YoY Change	7.28%	30.56%	37.58%
% of Gross Profit	17.18%	3.62%	27.32%
Operating Expenses	$112.4M	$106.0M	$106.8M
YoY Change	5.28%	5.19%	141.08%
Operating Profit	$29.34M	$23.79M	-$23.71M
YoY Change	-223.72%	-168.8%	208.92%
Interest Expense	-$2.368M	$2.649M	-$4.600M
YoY Change	-48.52%	-25.78%	91.67%
% of Operating Profit	-8.07%	11.14%
Other Income/Expense, Net	$1.510M	-$2.726M	-$600.0K
YoY Change	-351.67%	-36.02%	20.0%
Pretax Income	$28.48M	$21.06M	-$28.80M
YoY Change	-198.89%	-154.23%	166.67%
Income Tax	$303.0K	$11.80M	-$4.100M
% Of Pretax Income	1.06%	56.03%
Net Earnings	$28.18M	$9.258M	-$24.67M
YoY Change	-214.2%	-125.26%	204.44%
Net Earnings / Revenue	11.37%	4.03%	-12.67%
Basic Earnings Per Share		$0.12	-$0.33
Diluted Earnings Per Share	$345.4K	$0.12	-$0.33
COMMON SHARES
Basic Shares Outstanding	76.73M shares	76.58M shares	74.17M shares
Diluted Shares Outstanding		79.82M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$130.6M	$169.4M	$148.9M
YoY Change	-12.31%	75.39%	60.63%
Cash & Equivalents	$130.6M	$169.4M	$148.9M
Short-Term Investments
Other Short-Term Assets	$9.806M	$4.549M	$6.985M
YoY Change	40.39%	-53.05%	103.88%
Inventory	$131.7M	$127.3M	$97.84M
Prepaid Expenses	$12.19M	$9.986M	$7.674M
Receivables	$119.7M	$106.9M	$67.44M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$404.1M	$418.3M	$361.7M
YoY Change	11.72%	19.49%	99.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$60.92M	$53.02M	$39.47M
YoY Change	54.36%	42.31%	137.59%
Goodwill	$306.7M	$302.8M	$302.8M
YoY Change	1.27%	0.08%	27.06%
Intangibles	$152.5M	$163.9M	$207.3M
YoY Change	-26.4%	-29.4%	10.26%
Long-Term Investments
YoY Change
Other Assets	$8.650M	$6.519M	$2.191M
YoY Change	294.8%	413.31%	-21.33%
Total Long-Term Assets	$646.3M	$635.6M	$660.7M
YoY Change	-2.19%	-3.36%	26.09%
TOTAL ASSETS
Total Short-Term Assets	$404.1M	$418.3M	$361.7M
Total Long-Term Assets	$646.3M	$635.6M	$660.7M
Total Assets	$1.050B	$1.054B	$1.022B
YoY Change	2.73%	4.58%	44.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$52.98M	$63.64M	$32.75M
YoY Change	61.75%	25.83%	143.65%
Accrued Expenses	$57.27M	$70.87M	$105.8M
YoY Change	-45.89%	-32.33%	239.55%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$0.00	$0.00
YoY Change		-100.0%
Total Short-Term Liabilities	$207.4M	$231.3M	$233.7M
YoY Change	-11.24%	9.41%	251.04%
LONG-TERM LIABILITIES
Long-Term Debt	$306.2M	$326.0M	$363.6M
YoY Change	-15.8%	-12.47%	75.73%
Other Long-Term Liabilities	$23.00M	$17.65M	$13.21M
YoY Change	74.1%	-0.47%	63.79%
Total Long-Term Liabilities	$329.2M	$343.7M	$376.8M
YoY Change	-12.65%	-11.92%	75.28%
TOTAL LIABILITIES
Total Short-Term Liabilities	$207.4M	$231.3M	$233.7M
Total Long-Term Liabilities	$329.2M	$343.7M	$376.8M
Total Liabilities	$561.2M	$596.4M	$631.3M
YoY Change	-11.11%	-2.39%	117.05%
SHAREHOLDERS EQUITY
Retained Earnings	-$170.4M	-$198.6M	-$212.4M
YoY Change	-19.76%	5.8%	86.64%
Common Stock	$657.5M	$655.6M	$602.1M
YoY Change	9.21%	12.08%	13.68%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$489.2M	$457.5M	$391.1M
YoY Change
Total Liabilities & Shareholders Equity	$1.050B	$1.054B	$1.022B
YoY Change	2.73%	4.58%	44.86%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q4
OPERATING ACTIVITIES
Net Income	$28.18M	$9.258M	-$24.67M
YoY Change	-214.2%	-125.26%	204.44%
Depreciation, Depletion And Amortization	$24.35M	$4.700M	$22.70M
YoY Change	7.28%	30.56%	37.58%
Cash From Operating Activities	$16.03M	$84.08M	$74.30M
YoY Change	-78.42%	-606.49%	164.41%
INVESTING ACTIVITIES
Capital Expenditures	-$18.21M	-$22.63M	-$4.800M
YoY Change	279.31%	304.07%	60.0%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$0.00	$0.00
YoY Change		-100.0%
Cash From Investing Activities	-$18.21M	-$22.63M	-$4.800M
YoY Change	279.31%	-86.34%	60.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$1.000M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-35.01M	-21.81M	-15.10M
YoY Change	131.83%	-112.71%	-1106.67%
NET CHANGE
Cash From Operating Activities	16.03M	84.08M	74.30M
Cash From Investing Activities	-18.21M	-22.63M	-4.800M
Cash From Financing Activities	-35.01M	-21.81M	-15.10M
Net Change In Cash	-37.18M	39.64M	54.40M
YoY Change	-168.35%	-473.96%	104.51%
FREE CASH FLOW
Cash From Operating Activities	$16.03M	$84.08M	$74.30M
Capital Expenditures	-$18.21M	-$22.63M	-$4.800M
Free Cash Flow	$34.24M	$106.7M	$79.10M
YoY Change	-56.71%	-1070.05%	154.34%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001288469
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Trading Symbol TradingSymbol	MXL
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-34666
	dei	Entity Registrant Name EntityRegistrantName	MaxLinear Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	14-1896129
	dei	Entity Address Address Line1 EntityAddressAddressLine1	5966 La Place Court, Suite 100,
	dei	Entity Address City Or Town EntityAddressCityOrTown	Carlsbad
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	92008
	dei	City Area Code CityAreaCode	760
	dei	Local Phone Number LocalPhoneNumber	692-0711
	dei	Security12b Title Security12bTitle	Common stock
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	47421000	USD
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	76734936	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	169424000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	148901000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	107000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	115000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	106867000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	67442000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	127347000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	97839000	USD
CY2021Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14535000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	418280000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	361718000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1023000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1018000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53022000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	39470000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23668000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21886000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	163894000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	207266000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	302828000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	302828000	USD
CY2021Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	84660000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	86065000	USD
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6519000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2191000	USD
CY2021Q3	us-gaap	Assets Assets	1053894000	USD
CY2020Q4	us-gaap	Assets Assets	1022442000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	63635000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	32751000	USD
CY2021Q3	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	49411000	USD
CY2020Q4	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	47766000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	70866000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	105842000	USD
CY2021Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	47362000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	47302000	USD
CY2021Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	231274000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	233661000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	21400000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20862000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	326027000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	363592000	USD
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	17650000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13210000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	596351000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	631325000	USD
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
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CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
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CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	550000000	shares
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	550000000	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	76735000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	76735000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	74536000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	74536000	shares
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	8000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	7000	USD
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	655620000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	602064000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	511000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1435000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-198596000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-212389000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	457543000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	391117000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1053894000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1022442000	USD
CY2021Q3	us-gaap	Revenues Revenues	229774000	USD
CY2020Q3	us-gaap	Revenues Revenues	156633000	USD
	us-gaap	Revenues Revenues	644509000	USD
	us-gaap	Revenues Revenues	283880000	USD
CY2021Q3	us-gaap	Cost Of Revenue CostOfRevenue	99981000	USD
CY2020Q3	us-gaap	Cost Of Revenue CostOfRevenue	90427000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	290454000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	154169000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	129793000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	66206000	USD
	us-gaap	Gross Profit GrossProfit	354055000	USD
	us-gaap	Gross Profit GrossProfit	129711000	USD
CY2021Q3	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	67538000	USD
CY2020Q3	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	55816000	USD
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	205120000	USD
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	109489000	USD
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	38469000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	41685000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	110823000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	93787000	USD
CY2021Q3	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2020Q3	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	86000	USD
CY2021Q3	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	3280000	USD
	us-gaap	Restructuring Charges RestructuringCharges	3833000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	106007000	USD
	us-gaap	Restructuring Charges RestructuringCharges	2204000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	100781000	USD
	us-gaap	Operating Expenses OperatingExpenses	318147000	USD
	us-gaap	Operating Expenses OperatingExpenses	207195000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	23786000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-34575000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	35908000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-77484000	USD
CY2021Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	28000	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	27000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	46000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	283000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	2649000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	3569000	USD
	us-gaap	Interest Expense InterestExpense	10596000	USD
	us-gaap	Interest Expense InterestExpense	8228000	USD
CY2021Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5221000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-105000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-719000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-746000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-620000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2726000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4261000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-16517000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8565000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	21060000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-38836000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19391000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-86049000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11802000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2191000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5598000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12128000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	9258000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-36645000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13793000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-73921000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.12
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.02
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.02
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76582000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73402000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75795000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72729000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79815000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73402000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79048000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72729000	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	9258000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-36645000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13793000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-73921000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	196000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	427000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	23000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-292000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	700000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-924000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	415000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	17000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	6000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	60000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	22000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-292000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	760000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-924000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	437000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8966000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-35885000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12869000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-73484000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	391117000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	16566000	USD
CY2021Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2673000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12955000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-989000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	3802000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	420778000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-338000	USD
CY2021Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4464000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2635000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13966000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	357000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	733000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	433667000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-104000	USD
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1008000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	9258000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	16022000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-292000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	457543000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	414920000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2612000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6827000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-733000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-15469000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	408157000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	989000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2141000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12085000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	410000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-21807000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	401975000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-507000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	17080000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14145000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	760000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-36645000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	396808000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13793000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-73921000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	67439000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	53819000	USD
	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	86000	USD
	mxl	Inventory Fair Value Adjustments InventoryFairValueAdjustments	0	USD
	mxl	Inventory Fair Value Adjustments InventoryFairValueAdjustments	14445000	USD
	mxl	Amortization Of Debt Issuance Cost And Accretion Of Discounts AmortizationOfDebtIssuanceCostAndAccretionOfDiscounts	2584000	USD
	mxl	Amortization Of Debt Issuance Cost And Accretion Of Discounts AmortizationOfDebtIssuanceCostAndAccretionOfDiscounts	1386000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	42943000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	33057000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1405000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5253000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-533000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	226000	USD
	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	319000	USD
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	429000	USD
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1508000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5221000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-384000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-375000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	5369000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	530000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	39425000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	54592000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	29440000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	23849000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	20180000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-33487000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	34357000	USD
	mxl	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	-72000	USD
	mxl	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	-405000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	35054000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	67193000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	23121000	USD
	mxl	Increase Decreasein Accrued Price Protection Liability IncreaseDecreaseinAccruedPriceProtectionLiability	1636000	USD
	mxl	Increase Decreasein Accrued Price Protection Liability IncreaseDecreaseinAccruedPriceProtectionLiability	5439000	USD
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-7070000	USD
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-4275000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	4449000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-8721000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	152200000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-676000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-73550000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	26934000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10132000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	6616000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	388000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	35000000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	160000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	5000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-170520000	USD
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	350000000	USD
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	175000000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4144000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2696000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	389813000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	6286000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5270000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	11081000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2892000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8145000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-56897000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	174682000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1233000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	139000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	20520000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3625000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	150034000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	93117000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170554000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	96742000	USD
	us-gaap	Interest Paid Net InterestPaidNet	8798000	USD
	us-gaap	Interest Paid Net InterestPaidNet	7067000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2894000	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	23554000	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	2857000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2003000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:174%">Use of Estimates and Significant Risks and Uncertainties</span></div><div style="margin-top:9pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the unaudited consolidated financial statements and accompanying notes.</span></div><div style="margin-top:9pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Last year, the Company’s revenues were impacted by the novel coronavirus disease, or COVID-19, pandemic. In particular, the Company experienced some negative impact to its revenue and gross profits in the first half of 2020 due to several industry-wide dynamics related to COVID-19 including supply constraints as well as customer requests to temporarily delay shipments. Although the Company has benefited from increased demand for certain of our products from the work-from-home environment in the second half of 2020 and the first three quarters of 2021, a sudden increase in demand for electronics containing semiconductor chips and stockpiling of chips by certain firms in China blacklisted by the U.S. has exacerbated bottlenecks in the supply chain, resulting in a global semiconductor chip shortage impacting the Company’s industry. Some chip manufacturers are estimating this supply shortage may continue into 2023. While these chip manufacturers are working to increase capacity in the future, and the Company is continuing to work closely with our suppliers and customers to minimize the potential adverse impacts of the supply shortage, such shortage may have a near-term impact on the Company’s ability to meet increased demand on certain products and have a negative impact on its operating results which may continue into 2023. Heightened volatility, global supply shortages, and uncertainty in customer demand and the worldwide economy in general has continued, and the Company may experience increased volatility in its sales and revenues in the near future. However, the magnitude of such volatility on the Company’s business and its duration is uncertain and cannot be reasonably estimated at this time. </span></div>The Company also believes that its $170.6 million of cash and cash equivalents at September 30, 2021 will be sufficient to fund its projected operating requirements for at least the next twelve months. A material adverse impact from COVID-19 and the global semiconductor chip shortage could result in a need to raise additional capital or incur additional indebtedness to fund strategic initiatives or operating activities, particularly if the Company pursues additional acquisitions. The Company’s future capital requirements will depend on many factors, including changes in revenue, the expansion of engineering, sales and marketing activities, the timing and extent of expansion into new territories, the timing of introductions of new products and enhancements to existing products, the continuing market acceptance of the Company’s products and potential material investments in, or acquisitions of, complementary businesses, services or technologies. Additional funds may not be available on terms favorable to the Company or at all. If the Company is unable to raise additional funds when needed, it may not be able to sustain its operations or execute its strategic plans. The Company is not aware of any specific event or circumstance that would require an update to its estimates or adjustments to the carrying value of its assets and liabilities as of October 27, 2021, the issuance date of this Quarterly Report on Form 10-Q. Actual results could differ from those estimates, particularly if the Company experiences material impacts from COVID-19.
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170600000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	9258000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-36645000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13793000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-73921000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	76582000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73402000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	75795000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72729000	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3233000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3253000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79815000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73402000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79048000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72729000	shares
CY2021Q3	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.12
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.02
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.02
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	80000.00	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	70000.00	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3500000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3100000	shares
	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0	USD
CY2021Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021Q3	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	3280000	USD
	us-gaap	Restructuring Charges RestructuringCharges	2204000	USD
	us-gaap	Restructuring Charges RestructuringCharges	3833000	USD
	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	200000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	3997000	USD
	us-gaap	Restructuring Charges RestructuringCharges	2204000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	2123000	USD
	mxl	Reimbursement Due From Intel ReimbursementDueFromIntel	2711000	USD
	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	857000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	510000	USD
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P6Y2M12D
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	460446000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	303752000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	156694000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	453830000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	253764000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	200066000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16574000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15968000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	49988000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	44425000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	200066000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	187971000	USD
	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	0	USD
	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	81100000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	6616000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	388000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	49988000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	44425000	USD
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	86000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	156694000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	224948000	USD
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020Q3	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2021Q3	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	100000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	16810000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	49014000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	37462000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	22045000	USD
CY2021Q3	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	20400000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1100000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	11947000	USD
CY2021Q3	mxl	Finite Lived Intangible Asset Expected Amortization After Year Four FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour	19416000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	156694000	USD
CY2020Q4	us-gaap	Other Indefinite Lived Intangible Assets OtherIndefiniteLivedIntangibleAssets	7200000	USD
CY2019Q4	us-gaap	Other Indefinite Lived Intangible Assets OtherIndefiniteLivedIntangibleAssets	0	USD
	us-gaap	Indefinitelived Intangible Assets Acquired IndefinitelivedIntangibleAssetsAcquired	0	USD
	us-gaap	Indefinitelived Intangible Assets Acquired IndefinitelivedIntangibleAssetsAcquired	7200000	USD
CY2021Q3	us-gaap	Other Indefinite Lived Intangible Assets OtherIndefiniteLivedIntangibleAssets	7200000	USD
CY2020Q3	us-gaap	Other Indefinite Lived Intangible Assets OtherIndefiniteLivedIntangibleAssets	7200000	USD
CY2020Q3	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2021Q3	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1100000	USD
CY2021Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	63436000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	169424000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	148901000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	107000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	115000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1023000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1018000	USD
CY2021Q3	mxl	Cashcashequivalentsandrestrictedcash Cashcashequivalentsandrestrictedcash	170554000	USD
CY2020Q4	mxl	Cashcashequivalentsandrestrictedcash Cashcashequivalentsandrestrictedcash	150034000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	20400000	USD
CY2020Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	35852000	USD
CY2021Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	63911000	USD
CY2020Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	61987000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	127347000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	97839000	USD
CY2021Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	9986000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	7674000	USD
CY2021Q3	us-gaap	Other Receivables OtherReceivables	0	USD
CY2020Q4	us-gaap	Other Receivables OtherReceivables	32762000	USD
CY2021Q3	us-gaap	Other Assets Current OtherAssetsCurrent	4549000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	6985000	USD
CY2021Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14535000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	47421000	USD
CY2020Q4	us-gaap	Other Receivables OtherReceivables	32800000	USD
CY2020Q4	mxl	Receivable Due From Intel Reimbursement ReceivableDueFromIntelReimbursement	4400000	USD
CY2020Q4	mxl	Other Receivables Due From Intel OtherReceivablesDueFromIntel	28400000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	132690000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	109300000	USD
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	79668000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	69830000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53022000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	39470000	USD
CY2021Q3	us-gaap	Depreciation Depreciation	4700000	USD
	us-gaap	Depreciation Depreciation	12000000	USD
CY2020Q3	us-gaap	Depreciation Depreciation	3600000	USD
	us-gaap	Depreciation Depreciation	6900000	USD
CY2021Q3	us-gaap	Long Term Investments LongTermInvestments	5000000	USD
CY2020Q4	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	47766000	USD
CY2019Q4	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	12557000	USD
	mxl	Price Protection Rebate Charges PriceProtectionRebateCharges	60488000	USD
	mxl	Price Protection Rebate Charges PriceProtectionRebateCharges	17358000	USD
	mxl	Reversal Of Unclaimed Rebates ReversalOfUnclaimedRebates	0	USD
	mxl	Reversal Of Unclaimed Rebates ReversalOfUnclaimedRebates	159000	USD
	mxl	Price Protectionpayments PriceProtectionpayments	58843000	USD
	mxl	Price Protectionpayments PriceProtectionpayments	11722000	USD
CY2021Q3	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	49411000	USD
CY2020Q3	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	18034000	USD
CY2021Q3	mxl	Deferred Purchase Price Payments DeferredPurchasePricePayments	0	USD
CY2020Q4	mxl	Deferred Purchase Price Payments DeferredPurchasePricePayments	34484000	USD
CY2021Q3	mxl	Payables Under Transition Services Agreement PayablesUnderTransitionServicesAgreement	0	USD
CY2020Q4	mxl	Payables Under Transition Services Agreement PayablesUnderTransitionServicesAgreement	17420000	USD
CY2021Q3	mxl	Accrued Technology License Payments Current AccruedTechnologyLicensePaymentsCurrent	5011000	USD
CY2020Q4	mxl	Accrued Technology License Payments Current AccruedTechnologyLicensePaymentsCurrent	5821000	USD
CY2021Q3	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	3880000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	2620000	USD
CY2021Q3	mxl	Accruedengineeringandproductioncosts Accruedengineeringandproductioncosts	12641000	USD
CY2020Q4	mxl	Accruedengineeringandproductioncosts Accruedengineeringandproductioncosts	3448000	USD
CY2021Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	634000	USD
CY2020Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	3628000	USD
CY2021Q3	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	1478000	USD
CY2020Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	1965000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9071000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8144000	USD
CY2021Q3	mxl	Accruedcustomercredits Accruedcustomercredits	1284000	USD
CY2021Q3	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	5500000	USD
CY2020Q4	mxl	Accruedcustomercredits Accruedcustomercredits	1135000	USD
CY2020Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	1193000	USD
CY2021Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1023000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	29000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5778000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	13642000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	70866000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	105842000	USD
CY2020Q4	mxl	Payables Under Transition Services Agreement PayablesUnderTransitionServicesAgreement	17400000	USD
CY2020Q4	mxl	Other Payables Due To Intel OtherPayablesDueToIntel	9100000	USD
CY2020Q4	mxl	Other Payables Other Accrued Expenses Due To Intel OtherPayablesOtherAccruedExpensesDueToIntel	8300000	USD
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CY2021Q3	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.031
CY2020Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.044
CY2021Q3	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	200000	USD
CY2020Q3	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	500000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1200000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1000000	USD
CY2021Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	330700000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	376100000	USD
CY2021Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	0	USD
CY2021Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2021Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2021Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	USD
CY2021Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2021Q3	mxl	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	330000000	USD
CY2021Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	330000000	USD
CY2021Q3	us-gaap	Debt Current DebtCurrent	0	USD
CY2021Q3	mxl	Long Term Debt Principal Non Current Portion LongTermDebtPrincipalNonCurrentPortion	330000000	USD
CY2021Q3	mxl	Aggregate Commitments Percentage AggregateCommitmentsPercentage	0.01
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss	100000	USD
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CY2021Q1	mxl	Shares Issuedupon Settlementof Executive Bonus Plan SharesIssueduponSettlementofExecutiveBonusPlan	500000	shares
CY2021Q3	us-gaap	Accrued Bonuses Current And Noncurrent AccruedBonusesCurrentAndNoncurrent	28800000	USD
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16022000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14145000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	42943000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	33057000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	500000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P0Y9M3D
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CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	797000	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	14.67
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CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	427000	shares
CY2021Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	16.97
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CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	13799000	USD
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	427000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	16.97
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CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	13799000	USD
CY2021Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	358000	shares
CY2021Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	16.69
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CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	11646000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	200000	USD
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	200000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9200000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3400000	USD
CY2021Q3	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	200000	USD
CY2020Q3	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	600000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4000000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3300000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10000000	USD
CY2020Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	400000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	23400000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3600000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11800000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2200000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5600000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12100000	USD
	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	600000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	400000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	40000.00	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	229774000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	156633000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	644509000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	283880000	USD
CY2021Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1000000	USD
CY2020Q4	us-gaap	Contract With Customer Right To Recover Product ContractWithCustomerRightToRecoverProduct	600000	USD
CY2020Q4	us-gaap	Contract With Customer Right To Recover Product ContractWithCustomerRightToRecoverProduct	600000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	30000.00	USD
CY2021Q3	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	49400000	USD
CY2020Q4	mxl	Accrued Price Protection Liability AccruedPriceProtectionLiability	47800000	USD
CY2021Q3	us-gaap	Contract With Customer Right To Recover Product ContractWithCustomerRightToRecoverProduct	1100000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
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CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y6M
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y6M
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2813000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9512000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5926000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4761000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4391000	USD
CY2021Q3	mxl	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	5507000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	32910000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2439000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	30471000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9071000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	21400000	USD
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2300000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1400000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	7100000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	3200000	USD
CY2021Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2700000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5200000	USD
CY2020Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5200000	USD
CY2020Q3	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent	7900000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	300000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	USD
CY2021Q3	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	132913000	USD
CY2021Q3	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8100000	USD
	mxl	Contractual Obligation Change In Balance ContractualObligationChangeInBalance	72500000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	48813000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	11997000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	535000	USD
CY2021Q3	us-gaap	Contractual Obligation ContractualObligation	194258000	USD
CY2021Q3	us-gaap	Contractual Obligation ContractualObligation	194300000	USD
CY2020Q4	us-gaap	Contractual Obligation ContractualObligation	121700000	USD
CY2021Q3	mxl	Research And Development Arrangement Contract For A Jointly Funded Project Cumulative Proceeds Received From Other Party ResearchAndDevelopmentArrangementContractForAJointlyFundedProjectCumulativeProceedsReceivedFromOtherParty	3800000	USD
CY2021Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	USD
CY2021Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	24200	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	219100	shares
CY2021Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	41.6746
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	37.1564
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	8100000	USD
CY2021Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	91900000	USD

Files In Submission

Name	View Source	Status
0001288469-21-000251-index-headers.html	Edgar Link	pending
0001288469-21-000251-index.html	Edgar Link	pending
0001288469-21-000251.txt	Edgar Link	pending
0001288469-21-000251-xbrl.zip	Edgar Link	pending
a9302021exhibit311.htm	Edgar Link	pending
a9302021exhibit312.htm	Edgar Link	pending
a9302021exhibit321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mxl-20210930.htm	Edgar Link	pending
mxl-20210930.xsd	Edgar Link	pending
mxl-20210930_cal.xml	Edgar Link	unprocessable
mxl-20210930_def.xml	Edgar Link	unprocessable
mxl-20210930_htm.xml	Edgar Link	completed
mxl-20210930_lab.xml	Edgar Link	unprocessable
mxl-20210930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$MXL
MAXLINEAR, INC Stock $mxl

2021 Q4 Form 10-Q Financial Statement

#000128846921000251 Filed on October 27, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MXL MAXLINEAR, INC Stock $mxl

2021 Q4 Form 10-Q Financial Statement

#000128846921000251 Filed on October 27, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MXL
MAXLINEAR, INC Stock $mxl