$MLI
MUELLER INDUSTRIES INC Stock $mli

$mli Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000008943923000016 Filed on February 28, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue		$877.6M	$3.982B
YoY Change		-8.24%	5.65%
Cost Of Revenue		$620.8M	$2.865B
YoY Change		-14.56%	-2.52%
Gross Profit		$256.8M	$1.118B
YoY Change		11.76%	34.59%
Gross Profit Margin		29.26%	28.06%
Selling, General & Admin		$55.63M	$203.1M
YoY Change		13.85%	10.34%
% of Gross Profit		21.66%	18.17%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$10.83M	$43.73M
YoY Change		-5.51%	-3.65%
% of Gross Profit		4.22%	3.91%
Operating Expenses		$66.37M	$203.1M
YoY Change		9.71%	10.34%
Operating Profit		$190.4M	$877.1M
YoY Change		12.49%	33.74%
Interest Expense		-$144.0K	$810.0K
YoY Change		-44.19%	-89.49%
% of Operating Profit		-0.08%	0.09%
Other Income/Expense, Net		$8.779M	$14.09M
YoY Change		-25182.86%	277.75%
Pretax Income		$185.9M	$876.0M
YoY Change		8.2%	36.64%
Income Tax		$49.80M	$223.3M
% Of Pretax Income		26.78%	25.49%
Net Earnings		$138.9M	$658.3M
YoY Change		10.59%	40.51%
Net Earnings / Revenue		15.83%	16.53%
Basic Earnings Per Share			$11.80
Diluted Earnings Per Share		$2.47	$11.64
COMMON SHARES
Basic Shares Outstanding	57.02M shares	56.86M shares	55.78M shares
Diluted Shares Outstanding			56.56M shares

Balance Sheet

Concept	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$678.9M	$678.9M
YoY Change	672.12%	672.12%
Cash & Equivalents	$461.0M	$461.0M
Short-Term Investments	$217.9M	$217.9M
Other Short-Term Assets	$26.50M	$26.50M
YoY Change	-8.54%	-8.54%
Inventory	$448.9M	$448.9M
Prepaid Expenses
Receivables	$380.4M	$380.4M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$1.535B	$1.535B
YoY Change	50.6%	50.6%
LONG-TERM ASSETS
Property, Plant & Equipment	$380.0M	$402.8M
YoY Change	-1.46%	-1.52%
Goodwill	$157.6M
YoY Change	-8.02%
Intangibles	$54.79M
YoY Change	-11.23%
Long-Term Investments	$72.36M	$72.36M
YoY Change	18.37%	18.37%
Other Assets	$20.17M	$304.9M
YoY Change	201.72%	4461.7%
Total Long-Term Assets	$707.7M	$707.7M
YoY Change	-0.31%	-0.31%
TOTAL ASSETS
Total Short-Term Assets	$1.535B	$1.535B
Total Long-Term Assets	$707.7M	$707.7M
Total Assets	$2.242B	$2.242B
YoY Change	29.7%	29.7%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$128.0M	$128.0M
YoY Change	-29.2%	-29.2%
Accrued Expenses	$4.942M	$4.942M
YoY Change	-91.12%	-96.7%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$811.0K	$811.0K
YoY Change	0.0%	0.0%
Total Short-Term Liabilities	$348.3M	$348.3M
YoY Change	-8.93%	-8.93%
LONG-TERM LIABILITIES
Long-Term Debt	$1.218M	$1.218M
YoY Change	14.47%	14.47%
Other Long-Term Liabilities	$16.35M	$62.66M
YoY Change	-25.05%	-15.46%
Total Long-Term Liabilities	$17.57M	$63.88M
YoY Change	-23.21%	-15.04%
TOTAL LIABILITIES
Total Short-Term Liabilities	$348.3M	$348.3M
Total Long-Term Liabilities	$17.57M	$63.88M
Total Liabilities	$428.4M	$451.5M
YoY Change	-9.22%	-10.92%
SHAREHOLDERS EQUITY
Retained Earnings	$2.060B
YoY Change	41.23%
Common Stock	$802.0K
YoY Change	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$502.8M
YoY Change	6.97%
Treasury Stock Shares
Shareholders Equity	$1.791B	$1.791B
YoY Change
Total Liabilities & Shareholders Equity	$2.242B	$2.242B
YoY Change	29.7%	29.7%

Cashflow Statement

Concept	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$138.9M	$658.3M
YoY Change	10.59%	40.51%
Depreciation, Depletion And Amortization	$10.83M	$43.73M
YoY Change	-5.51%	-3.65%
Cash From Operating Activities	$207.0M	$723.9M
YoY Change	58.99%	132.26%
INVESTING ACTIVITIES
Capital Expenditures	$8.084M	$37.64M
YoY Change	-228.6%	-218.24%
Acquisitions		$0.00
YoY Change		-100.0%
Other Investing Activities	-$217.7M	-$204.4M
YoY Change	2473.0%	-435.54%
Cash From Investing Activities	-$225.7M	-$242.0M
YoY Change	1430.92%	-932.4%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$38.05M
YoY Change		682.36%
Debt Paid & Issued, Net		$204.0K
YoY Change		-99.98%
Cash From Financing Activities	-21.36M	-$102.7M
YoY Change	-83.89%	-72.75%
NET CHANGE
Cash From Operating Activities	207.0M	$723.9M
Cash From Investing Activities	-225.7M	-$242.0M
Cash From Financing Activities	-21.36M	-$102.7M
Net Change In Cash	-40.07M	$374.9M
YoY Change	134.31%	-1113.3%
FREE CASH FLOW
Cash From Operating Activities	$207.0M	$723.9M
Capital Expenditures	$8.084M	$37.64M
Free Cash Flow	$198.9M	$686.3M
YoY Change	45.74%	99.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	150 Schilling Boulevard
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000089439
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	us-gaap	Environmental Remediation Expense Statement Of Income Or Comprehensive Income Extensible Enumeration EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://muellerindustries.com/20221231#EnvironmentalRemediationExpenseNonOperatingProperties
CY2022Q4	us-gaap	Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesCurrent
CY2022Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#AccruedEnvironmentalLossContingenciesNoncurrent http://fasb.org/us-gaap/2022#OtherLiabilitiesCurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-6770
CY2022	dei	Entity Registrant Name EntityRegistrantName	MUELLER INDUSTRIES, INC.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-0790410
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 100
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Collierville
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	38017
CY2022	dei	City Area Code CityAreaCode	901
CY2022	dei	Local Phone Number LocalPhoneNumber	753-3200
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $0.01 Par Value
CY2022	dei	Trading Symbol TradingSymbol	MLI
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022Q2	dei	Entity Public Float EntityPublicFloat	2939888027	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	57024726	shares
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3982455000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3769345000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2398043000	usd
CY2022	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	2864862000	usd
CY2021	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	2938989000	usd
CY2020	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1966161000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43731000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	45390000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	44843000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	203086000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	184052000	usd
CY2022	us-gaap	Interest Expense InterestExpense	810000	usd
CY2021	us-gaap	Interest Expense InterestExpense	7709000	usd
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	159483000	usd
CY2022	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	22053000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	57760000	usd
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	6373000	usd
CY2021	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2020	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2829000	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3771000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	877149000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	655845000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	245838000	usd
CY2020	us-gaap	Interest Expense InterestExpense	19247000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5674000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	1298000	usd
CY2021	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	5053000	usd
CY2020	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	4454000	usd
CY2022	mli	Defined Benefit Plans Termination Expenses DefinedBenefitPlansTerminationExpenses	13100000	usd
CY2021	mli	Defined Benefit Plans Termination Expenses DefinedBenefitPlansTerminationExpenses	0	usd
CY2020	mli	Defined Benefit Plans Termination Expenses DefinedBenefitPlansTerminationExpenses	17835000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	14090000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3730000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4887000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	876031000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	641139000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	209189000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	223322000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165858000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55321000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10111000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-157000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-10219000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	662820000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	475124000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	143649000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4504000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6604000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4156000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	658316000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	468520000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	139493000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55779000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56011000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55821000	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	776000	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	787000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	569000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56555000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56798000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56390000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.80
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.36
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.50
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.64
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.25
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2022	us-gaap	Profit Loss ProfitLoss	662820000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	475124000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	143649000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-30382000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-6730000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	10350000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	47000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-146000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	683000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-181000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	508000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	4381000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1379000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1560000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-12722000	usd
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CY2022	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Tax OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesTax	-784000	usd
CY2021	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Tax OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesTax	-284000	usd
CY2020	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Tax OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesTax	38000	usd
CY2022	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2702000	usd
CY2021	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	978000	usd
CY2020	mli	Other Comprehensive Income Loss Attributable To Unconsolidated Affiliates Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossAttributableToUnconsolidatedAffiliatesNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-132000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-14275000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-230000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	15378000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	648545000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	474894000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	159027000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1057000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4838000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5647000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	647488000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	470056000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	153380000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	461018000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	87924000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	217863000	usd
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	0	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2687000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2590000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	380352000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	471859000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	448919000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	430244000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	26501000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	28976000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1534653000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1019003000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	379950000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	385562000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22892000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23510000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	157588000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	171330000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	54785000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	61714000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	72364000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	61133000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	20167000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6684000	usd
CY2022Q4	us-gaap	Assets Assets	2242399000	usd
CY2021Q4	us-gaap	Assets Assets	1728936000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	811000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	811000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	128000000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	180793000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	61915000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	49629000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4942000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6015000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	152627000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	145191000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	348295000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	382439000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1218000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1064000	usd
CY2022Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	4078000	usd
CY2021Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	5572000	usd
CY2022Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	8977000	usd
CY2021Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	11961000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	16380000	usd
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	17678000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	16258000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	14347000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	16880000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17099000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	16349000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	21813000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	428435000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	471973000	usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	80183004	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	80183004	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57001617	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57295961	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	802000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	802000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	297270000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	286208000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2059796000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1458489000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-64175000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-53347000	usd
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	502779000	usd
CY2021Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	470034000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1790914000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1222118000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	23050000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	34845000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1813964000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1256963000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2242399000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1728936000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	662820000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	475124000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	143649000	usd
CY2022	us-gaap	Depreciation Depreciation	38157000	usd
CY2021	us-gaap	Depreciation Depreciation	39120000	usd
CY2020	us-gaap	Depreciation Depreciation	38715000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5574000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6270000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6128000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	357000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	265000	usd
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	319000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10111000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-157000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-10219000	usd
CY2022	us-gaap	Proceeds From Insurance Premiums Collected ProceedsFromInsurancePremiumsCollected	1646000	usd
CY2021	us-gaap	Proceeds From Insurance Premiums Collected ProceedsFromInsurancePremiumsCollected	0	usd
CY2020	us-gaap	Proceeds From Insurance Premiums Collected ProceedsFromInsurancePremiumsCollected	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5674000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	17801000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	9822000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	8570000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	323000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1216000	usd
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1208000	usd
CY2022	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	usd
CY2021	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	usd
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-11642000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6373000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	769000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-132000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	57760000	usd
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2829000	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3771000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3880000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7413000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4046000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-82713000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	124708000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	76404000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	311701000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	245073000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	24189000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	119514000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5207000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8971000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-919000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-20609000	usd
CY2022	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-26633000	usd
CY2021	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	73755000	usd
CY2020	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	74097000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-7564000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-5467000	usd
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1142000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2273000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2645000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2399000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	723943000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	7850000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2302000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	181000	usd
CY2022	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	217863000	usd
CY2021	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	usd
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	30206000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	72648000	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	81884000	usd
CY2020	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	37639000	usd
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	31833000	usd
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	43885000	usd
CY2022	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	usd
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	8539000	usd
CY2020	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	9270000	usd
CY2022	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	3354000	usd
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2022	mli	Proceeds Dividends From Unconsolidated Affiliates ProceedsDividendsFromUnconsolidatedAffiliates	2295000	usd
CY2021	mli	Proceeds Dividends From Unconsolidated Affiliates ProceedsDividendsFromUnconsolidatedAffiliates	0	usd
CY2020	mli	Proceeds Dividends From Unconsolidated Affiliates ProceedsDividendsFromUnconsolidatedAffiliates	0	usd
CY2022	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	usd
CY2021	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	1613000	usd
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-242003000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	29073000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-125622000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	55787000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	29137000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	22341000	usd
CY2022	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	7248000	usd
CY2021	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	9722000	usd
CY2020	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	595000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	190038000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	204000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	920610000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	246898000	usd
CY2022	mli	Repayments Of Debt By Consolidated Joint Ventures RepaymentsOfDebtByConsolidatedJointVentures	-67000	usd
CY2021	mli	Repayments Of Debt By Consolidated Joint Ventures RepaymentsOfDebtByConsolidatedJointVentures	5113000	usd
CY2020	mli	Repayments Of Debt By Consolidated Joint Ventures RepaymentsOfDebtByConsolidatedJointVentures	259000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	38054000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4864000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5574000	usd
CY2022	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	usd
CY2021	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1250000	usd
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	7000000	usd
CY2022	mli	Payments For Settlement Of Stock Based Awards PaymentsForSettlementOfStockBasedAwards	1429000	usd
CY2021	mli	Payments For Settlement Of Stock Based Awards PaymentsForSettlementOfStockBasedAwards	-85000	usd
CY2020	mli	Payments For Settlement Of Stock Based Awards PaymentsForSettlementOfStockBasedAwards	230000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1111000	usd
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-102655000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-376722000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92264000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-4365000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1052000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2147000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	374920000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-37000000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	29334000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	90376000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	127376000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98042000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	465296000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	90376000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	127376000	usd
CY2022	us-gaap	Fiscal Period FiscalPeriod	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Fiscal Years</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s fiscal year ends on the last Saturday of December and consisted of 53 weeks in 2022 and 52 weeks in 2021 and 2020. These dates were December 31, 2022, December 25, 2021, and December 26, 2020.</span></div>
CY2022	mli	Performance Obligation Payment Term PerformanceObligationPaymentTerm	P60D
CY2022Q4	mli	Temporary Investments TemporaryInvestments	329400000	usd
CY2021Q4	mli	Temporary Investments TemporaryInvestments	1400000	usd
CY2021	mli	Disposal Group Not Discontinued Operation Gain Loss On Disposal Statement Of Income Extensible List Not Disclosed Flag DisposalGroupNotDiscontinuedOperationGainLossOnDisposalStatementOfIncomeExtensibleListNotDisclosedFlag	Corporate and Eliminations
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2700000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2600000	usd
CY2022Q4	mli	Number Of Operating Lease Renewal Options NumberOfOperatingLeaseRenewalOptions	1	renewal_option
CY2022Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2022	mli	Specified Percentage Over Which Unrecognized Gains And Losses Are Amortized SpecifiedPercentageOverWhichUnrecognizedGainsAndLossesAreAmortized	0.10
CY2022	mli	Average Remaining Service Period For The Pension Plans AverageRemainingServicePeriodForThePensionPlans	P11Y6M
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentrations of Credit and Market Risk</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Concentrations of credit risk with respect to accounts receivable are limited due to the large number of customers comprising the Company’s customer base, and their dispersion across different geographic areas and different industries, including HVAC, plumbing, refrigeration, hardware, automotive, OEMs, and others.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company minimizes its exposure to base metal price fluctuations through various strategies. Generally, it prices an equivalent amount of copper raw material, under flexible pricing arrangements it maintains with its suppliers, at the time it determines the selling price of finished products to its customers.</span></div>
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1000000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-600000	usd
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-500000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of and Changes in Estimates</span></div><div><span><br/></span></div><div style="text-align:justify"><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 generally accepted accounting principles in the United States (U.S. GAAP) requires management to make estimates, assumptions, and judgments that affect the amounts reported in the financial statements and accompanying notes. </span><span style="color:#252525;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Management makes its best estimate of the ultimate outcome for these items based on historical trends and other information available when the financial statements are prepared. Changes in estimates are recognized in accordance with the accounting rules for the estimate, which is typically in the period when new information becomes available to management. Areas where the nature of the estimate makes it reasonably possible that actual results could materially differ from amounts estimated include but are not limited to: pension and other postretirement benefit plan obligations, tax liabilities, loss contingencies, litigation claims, environmental reserves, and impairment assessments of long-lived assets (including goodwill).</span></div>
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3982455000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3769345000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2398043000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3982455000	usd
CY2022	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	2864862000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43731000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	203086000	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	6373000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	877149000	usd
CY2022	us-gaap	Interest Expense InterestExpense	810000	usd
CY2022	mli	Defined Benefit Plans Termination Expenses DefinedBenefitPlansTerminationExpenses	13100000	usd
CY2022	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	1298000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	14090000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	876031000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3769345000	usd
CY2021	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	2938989000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	45390000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	184052000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	57760000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2829000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	655845000	usd
CY2021	us-gaap	Interest Expense InterestExpense	7709000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5674000	usd
CY2021	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	5053000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3730000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	641139000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2398043000	usd
CY2020	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1966161000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	44843000	usd
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	159483000	usd
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	22053000	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3771000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	245838000	usd
CY2020	us-gaap	Interest Expense InterestExpense	19247000	usd
CY2020	mli	Defined Benefit Plans Termination Expenses DefinedBenefitPlansTerminationExpenses	17835000	usd
CY2020	mli	Environmental Remediation Expense Non Operating Properties EnvironmentalRemediationExpenseNonOperatingProperties	4454000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4887000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	209189000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3982455000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3769345000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2398043000	usd
CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	379950000	usd
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	385562000	usd
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	376572000	usd
CY2022	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	37639000	usd
CY2021	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	65122000	usd
CY2020	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	51146000	usd
CY2022Q4	us-gaap	Assets Assets	2242399000	usd
CY2021Q4	us-gaap	Assets Assets	1728936000	usd
CY2020Q4	us-gaap	Assets Assets	1528568000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	461018000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	87924000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	4176000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2349000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	102000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	103000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	465296000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	90376000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	133189000	usd
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	130133000	usd
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	64177000	usd
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	64989000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	265842000	usd
CY2021Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	245226000	usd
CY2022Q4	us-gaap	Inventory Adjustments InventoryAdjustments	14289000	usd
CY2021Q4	us-gaap	Inventory Adjustments InventoryAdjustments	10104000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	448919000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	430244000	usd
CY2022Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	16500000	usd
CY2021Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	18500000	usd
CY2022Q4	us-gaap	Fifo Inventory Amount FIFOInventoryAmount	117300000	usd
CY2021Q4	us-gaap	Fifo Inventory Amount FIFOInventoryAmount	140400000	usd
CY2022Q4	mli	Fifo Value Of Inventory Consigned To Others FIFOValueOfInventoryConsignedToOthers	14300000	usd
CY2021Q4	mli	Fifo Value Of Inventory Consigned To Others FIFOValueOfInventoryConsignedToOthers	11000000	usd
CY2022Q4	mli	Accrued Discounts And Allowances Liability Current AccruedDiscountsAndAllowancesLiabilityCurrent	82300000	usd
CY2021Q4	mli	Accrued Discounts And Allowances Liability Current AccruedDiscountsAndAllowancesLiabilityCurrent	82200000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	24600000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	35700000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	4200000	usd
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	9700000	usd
CY2022Q4	us-gaap	Multiemployer Plans Withdrawal Obligation MultiemployerPlansWithdrawalObligation	13100000	usd
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-3168000	usd
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1903000	usd
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-3013000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	6457000	usd
CY2021	us-gaap	Interest Income Other InterestIncomeOther	353000	usd
CY2020	us-gaap	Interest Income Other InterestIncomeOther	1101000	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	2918000	usd
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2022	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1547000	usd
CY2021	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1474000	usd
CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	773000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	14090000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3730000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4887000	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	4000000	usd
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	2000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	8365000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4086000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22892000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23510000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4942000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6015000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	16880000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17099000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21822000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	23114000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0335
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0367
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y10D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y6M3D
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	8220000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21822000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4607000	usd
CY2022	us-gaap	Lease Cost LeaseCost	12306000	usd
CY2021	us-gaap	Lease Cost LeaseCost	12972000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	7787000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	7869000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5574000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4130000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3281000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3111000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2801000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5569000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24466000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2644000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4942000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	16880000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	975932000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	964067000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	595982000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	578505000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	379950000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	385562000	usd
CY2022	us-gaap	Depreciation Depreciation	38200000	usd
CY2021	us-gaap	Depreciation Depreciation	39100000	usd
CY2020	mli	Goodwill Impairment Loss Excluding Turbotec GoodwillImpairmentLossExcludingTurbotec	0	usd
CY2020	us-gaap	Depreciation Depreciation	38700000	usd
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	217169000	usd
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	49405000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	167764000	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	12098000	usd
CY2021	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-6366000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	2087000	usd
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-79000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	171330000	usd
CY2022	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-11216000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2526000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	206993000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	49405000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	157588000	usd
CY2021	mli	Goodwill Impairment Loss Excluding Turbotec GoodwillImpairmentLossExcludingTurbotec	0	usd
CY2022	mli	Goodwill Impairment Loss Excluding Turbotec GoodwillImpairmentLossExcludingTurbotec	0	usd
CY2021Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	2100000	usd
CY2022	us-gaap	Adjustment For Amortization AdjustmentForAmortization	5600000	usd
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	6300000	usd
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	6100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5145000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4930000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4808000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4663000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4662000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	30577000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	54785000	usd
CY2022	mli	Payable Maximum Period To Be Considered Current PayableMaximumPeriodToBeConsideredCurrent	P12M
CY2022Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-500000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	811000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	222000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	204000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1500000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	2737000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	810000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	8096000	usd
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	19510000	usd
CY2022	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	0	usd
CY2021	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	387000	usd
CY2020	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	263000	usd
CY2022	us-gaap	Interest Expense InterestExpense	810000	usd
CY2021	us-gaap	Interest Expense InterestExpense	7709000	usd
CY2020	us-gaap	Interest Expense InterestExpense	19247000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	13900000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	19800000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.041
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	62298000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	79478000	usd
CY2022Q4	mli	Approximate Percentage Of Mutual Funds Actively Managed ApproximatePercentageOfMutualFundsActivelyManaged	0.78
CY2022Q4	mli	Approximate Percentage Of Mutual Funds Indexed Funds ApproximatePercentageOfMutualFundsIndexedFunds	0.22
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CY2021Q4	mli	Approximate Percentage Of Mutual Funds Indexed Funds ApproximatePercentageOfMutualFundsIndexedFunds	0.22
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CY2022Q4	mli	Number Of Collective Bargaining Agreements NumberOfCollectiveBargainingAgreements	2	bargain_agreement
CY2022	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	1400000	usd
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	1300000	usd
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CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4900000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4500000	usd
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CY2021	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	5000000	usd
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CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	20500000	usd
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	27400000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due Within One Year AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear	4000000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Second Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear	2000000	usd
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CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear	700000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due After Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear	12300000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	737538000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	518080000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	144770000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	138493000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	123059000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	64419000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	876031000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	641139000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	209189000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	149269000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	107804000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	37964000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	36719000	usd
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CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16186000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5182000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	227202000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	158445000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	59367000	usd
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CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3504000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5991000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-192000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	2572000	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	90000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-376000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8345000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1855000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3880000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7413000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4046000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	223322000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165858000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55321000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	183967000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	134639000	usd
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	43930000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	32184000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	21132000	usd
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5949000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	7443000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	11185000	usd
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	2783000	usd
CY2022	mli	Income Tax Rate Reconciliation Investment In Unconsolidated Affiliates IncomeTaxRateReconciliationInvestmentInUnconsolidatedAffiliates	-206000	usd
CY2021	mli	Income Tax Rate Reconciliation Investment In Unconsolidated Affiliates IncomeTaxRateReconciliationInvestmentInUnconsolidatedAffiliates	679000	usd
CY2020	mli	Income Tax Rate Reconciliation Investment In Unconsolidated Affiliates IncomeTaxRateReconciliationInvestmentInUnconsolidatedAffiliates	387000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-478000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-419000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3046000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	223322000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165858000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55321000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	16829000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	15153000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	7260000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	8382000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	8046000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	9962000	usd
CY2022Q4	mli	Deferred Tax Asset Tax Credit Federal And Foreign DeferredTaxAssetTaxCreditFederalAndForeign	5750000	usd
CY2021Q4	mli	Deferred Tax Asset Tax Credit Federal And Foreign DeferredTaxAssetTaxCreditFederalAndForeign	6410000	usd
CY2022Q4	mli	Deferred Tax Asset Tax Credit State And Local DeferredTaxAssetTaxCreditStateAndLocal	8063000	usd
CY2021Q4	mli	Deferred Tax Asset Tax Credit State And Local DeferredTaxAssetTaxCreditStateAndLocal	12043000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5249000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3608000	usd
CY2022Q4	mli	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	4540000	usd
CY2021Q4	mli	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	4988000	usd
CY2022Q4	mli	Deferred Tax Assets Tax Deferred Expense Basis Difference In Unconsolidated Affiliates DeferredTaxAssetsTaxDeferredExpenseBasisDifferenceInUnconsolidatedAffiliates	6881000	usd
CY2021Q4	mli	Deferred Tax Assets Tax Deferred Expense Basis Difference In Unconsolidated Affiliates DeferredTaxAssetsTaxDeferredExpenseBasisDifferenceInUnconsolidatedAffiliates	7690000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	62618000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	68236000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	21505000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	26624000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	41113000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	41612000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	44001000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	45804000	usd
CY2022Q4	mli	Deferred Tax Liabilities Lease Asset DeferredTaxLiabilitiesLeaseAsset	4970000	usd
CY2021Q4	mli	Deferred Tax Liabilities Lease Asset DeferredTaxLiabilitiesLeaseAsset	5099000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2918000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1765000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	51889000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	52668000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	10776000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	11056000	usd
CY2022Q4	mli	State Income Tax Credit Carryforwards With Expiration StateIncomeTaxCreditCarryforwardsWithExpiration	1000000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1150042000	usd
CY2022Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	7100000	usd
CY2022Q4	mli	Federal And Foreign Tax Attributes With Potential Tax Benefits Unlimited Life FederalAndForeignTaxAttributesWithPotentialTaxBenefitsUnlimitedLife	4000000	usd
CY2022Q4	mli	Federal And Foreign Tax Attributes With Potential Tax Benefits Limited Life FederalAndForeignTaxAttributesWithPotentialTaxBenefitsLimitedLife	1100000	usd
CY2022Q4	mli	Federal And Foreign Tax Attributes With Potential Tax Benefits FederalAndForeignTaxAttributesWithPotentialTaxBenefits	700000	usd
CY2022Q4	mli	Federal And Foreign Tax Attributes With Potential Tax Benefits Valuation Allowance FederalAndForeignTaxAttributesWithPotentialTaxBenefitsValuationAllowance	400000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	238300000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	132900000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	49300000	usd
CY2022Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	20000000	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	7200000	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17800000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9800000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8600000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	52400000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y2M12D
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	3274000	usd
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1738000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-17549000	usd
CY2022	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-6721000	usd
CY2022Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1010002000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	944830000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	877581000	usd
CY2022Q1	us-gaap	Gross Profit GrossProfit	265491000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	329128000	usd
CY2022Q3	us-gaap	Gross Profit GrossProfit	266193000	usd
	us-gaap	Gross Profit GrossProfit	256781000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	159248000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	207524000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	155813000	usd
	us-gaap	Profit Loss ProfitLoss	140235000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	158316000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	206552000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	154542000	usd
	us-gaap	Net Income Loss NetIncomeLoss	138906000	usd
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.82
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.78
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.50
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.78
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.65
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.74
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.46
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	818148000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1012592000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	982248000	usd
CY2021Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	956357000	usd
CY2021Q1	us-gaap	Gross Profit GrossProfit	149730000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	212880000	usd
CY2021Q3	us-gaap	Gross Profit GrossProfit	237983000	usd
CY2021Q4	us-gaap	Gross Profit GrossProfit	229763000	usd
CY2021Q1	us-gaap	Profit Loss ProfitLoss	65238000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	110932000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	172256000	usd
CY2021Q4	us-gaap	Profit Loss ProfitLoss	126698000	usd
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	63107000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	108832000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	170980000	usd
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	125601000	usd
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.05
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.24
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.01
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.21
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2022	dei	Auditor Location AuditorLocation	Memphis, Tennessee

Files In Submission

Name	View Source	Status
mli-20221231_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
mli-20221231_lab.xml	Edgar Link	unprocessable
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0000089439-23-000016.txt	Edgar Link	pending
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exhibit991q42022insidertra.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mli-20221231.htm	Edgar Link	pending
mli-20221231.xsd	Edgar Link	pending
mli-20221231_g1.jpg	Edgar Link	pending
mli-20221231_g2.jpg	Edgar Link	pending
mli-20221231_g3.jpg	Edgar Link	pending
q42022exhibit106.htm	Edgar Link	pending
q42022exhibit21.htm	Edgar Link	pending
mli-20221231_cal.xml	Edgar Link	unprocessable
mli-20221231_pre.xml	Edgar Link	unprocessable
mli-20221231_htm.xml	Edgar Link	completed
q42022exhibit23.htm	Edgar Link	pending
q42022exhibit311.htm	Edgar Link	pending
q42022exhibit312.htm	Edgar Link	pending
q42022exhibit321.htm	Edgar Link	pending
q42022exhibit322.htm	Edgar Link	pending
q42022exhibit42.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
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R16.htm	Edgar Link	pending
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R18.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
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R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
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$MLI
MUELLER INDUSTRIES INC Stock $mli

2023 Q1 Form 10-K Financial Statement

#000008943923000016 Filed on February 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MLI MUELLER INDUSTRIES INC Stock $mli

2023 Q1 Form 10-K Financial Statement

#000008943923000016 Filed on February 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MLI
MUELLER INDUSTRIES INC Stock $mli