$LII
LENNOX INTERNATIONAL INC Stock $lii

$lii Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000162828024043392 Filed on October 23, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$1.498B
YoY Change		9.65%
Cost Of Revenue		$1.010B
YoY Change		7.67%
Gross Profit		$488.4M
YoY Change		13.98%
Gross Profit Margin		32.6%
Selling, General & Admin		$184.4M
YoY Change		3.07%
% of Gross Profit		37.76%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$20.40M
YoY Change		-5.12%
% of Gross Profit		4.18%
Operating Expenses		$184.4M
YoY Change		3.07%
Operating Profit		$303.3M
YoY Change		62.37%
Interest Expense		$8.900M
YoY Change		-20.54%
% of Operating Profit		2.93%
Other Income/Expense, Net		-$400.0K
YoY Change		300.0%
Pretax Income		$293.9M
YoY Change		67.75%
Income Tax		$54.90M
% Of Pretax Income		18.68%
Net Earnings		$239.0M
YoY Change		83.28%
Net Earnings / Revenue		15.95%
Basic Earnings Per Share		$6.71
Diluted Earnings Per Share		$6.68
COMMON SHARES
Basic Shares Outstanding	35.62M shares	35.63M shares
Diluted Shares Outstanding		35.80M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$255.7M
YoY Change		80.58%
Cash & Equivalents		$243.1M
Short-Term Investments		$12.60M
Other Short-Term Assets		$69.60M
YoY Change		6.58%
Inventory		$689.2M
Prepaid Expenses
Receivables		$816.5M
Other Receivables		$0.00
Total Short-Term Assets		$1.831B
YoY Change		5.08%
LONG-TERM ASSETS
Property, Plant & Equipment		$754.8M
YoY Change		25.36%
Goodwill		$219.9M
YoY Change		21.02%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets		$165.8M
YoY Change		66.3%
Total Long-Term Assets		$1.482B
YoY Change		29.15%
TOTAL ASSETS
Total Short-Term Assets		$1.831B
Total Long-Term Assets		$1.482B
Total Assets		$3.313B
YoY Change		14.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$477.5M
YoY Change		38.09%
Accrued Expenses		$444.7M
YoY Change		8.81%
Deferred Revenue		$4.200M
YoY Change		-14.29%
Short-Term Debt		$0.00
YoY Change
Long-Term Debt Due		$312.7M
YoY Change		-13.52%
Total Short-Term Liabilities		$1.316B
YoY Change		4.86%
LONG-TERM LIABILITIES
Long-Term Debt		$827.6M
YoY Change		-26.21%
Other Long-Term Liabilities		$184.4M
YoY Change		17.01%
Total Long-Term Liabilities		$184.4M
YoY Change		17.01%
TOTAL LIABILITIES
Total Short-Term Liabilities		$1.316B
Total Long-Term Liabilities		$184.4M
Total Liabilities		$2.559B
YoY Change		-6.28%
SHAREHOLDERS EQUITY
Retained Earnings		$3.994B
YoY Change		17.46%
Common Stock		$1.206B
YoY Change		2.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$4.375B
YoY Change		0.73%
Treasury Stock Shares
Shareholders Equity		$754.0M
YoY Change
Total Liabilities & Shareholders Equity		$3.313B
YoY Change		14.64%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$239.0M
YoY Change		83.28%
Depreciation, Depletion And Amortization		$20.40M
YoY Change		-5.12%
Cash From Operating Activities		$452.1M
YoY Change		47.94%
INVESTING ACTIVITIES
Capital Expenditures		$41.20M
YoY Change		3.78%
Acquisitions
YoY Change
Other Investing Activities		-$9.700M
YoY Change		288.0%
Cash From Investing Activities		-$50.90M
YoY Change		20.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-209.1M
YoY Change		15.02%
NET CHANGE
Cash From Operating Activities		452.1M
Cash From Investing Activities		-50.90M
Cash From Financing Activities		-209.1M
Net Change In Cash		192.1M
YoY Change		135.42%
FREE CASH FLOW
Cash From Operating Activities		$452.1M
Capital Expenditures		$41.20M
Free Cash Flow		$410.9M
YoY Change		54.53%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Amendment Flag AmendmentFlag	false
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	720400000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	213600000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	222100000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	51800000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	156900000	usd
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	35623280	shares
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	243100000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	60700000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	8400000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	14400000	usd
CY2023Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	594600000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	699100000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	70700000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	1433500000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	910800000	usd
CY2023Q4	us-gaap	Assets Assets	2798300000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1316000000	usd
CY2024Q3	us-gaap	Revenues Revenues	1498100000	usd
CY2023Q3	us-gaap	Revenues Revenues	1366300000	usd
CY2024Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1009700000	usd
CY2023Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	937800000	usd
CY2024Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	184400000	usd
CY2023Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-3500000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-10500000	usd
CY2024Q3	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2024Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-3100000	usd
CY2023Q3	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	300000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-56900000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-15500000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1700000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13800000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-70700000	usd
CY2024Q3	us-gaap	Short Term Investments ShortTermInvestments	12600000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16200000	usd
	us-gaap	Revenues Revenues	3827100000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2679700000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2634100000	usd
	us-gaap	Gross Profit GrossProfit	1316600000	usd
	us-gaap	Gross Profit GrossProfit	1193000000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	523600000	usd
CY2024Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Revenues Revenues	3996300000	usd
CY2023Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
CY2024Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2400000	usd
CY2023Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4200000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	303300000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	186800000	usd
CY2024Q3	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	100000	usd
CY2023Q3	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	300000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	8900000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-400000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-100000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	293900000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	175200000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54900000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44800000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.68
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0001069202
CY2024Q3	us-gaap	Commercial Paper CommercialPaper	0	usd
CY2023Q4	us-gaap	Commercial Paper CommercialPaper	150000000.0	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	67800000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	57500000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2024Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	952600000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	754800000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	270500000	usd
CY2024Q3	us-gaap	Assets Assets	3313200000	usd
CY2024Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	477500000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	374700000	usd
CY2024Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	444700000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	416100000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4200000	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	312700000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	12100000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1014600000	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	827600000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1143100000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	214900000	usd
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2024Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	51588103	shares
CY2024Q3	us-gaap	Treasury Stock Value TreasuryStockValue	4375100000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4349500000	usd
CY2024Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	754000000.0	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-56900000	usd
CY2024Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	51537964	shares
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	285300000	usd
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Entity Small Business EntitySmallBusiness	false
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	71200000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	165800000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	164600000	usd
CY2024Q3	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	16300000	usd
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	42-0991521
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2140 LAKE PARK BLVD.
	dei	Entity Address City Or Town EntityAddressCityOrTown	RICHARDSON
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75080
	dei	City Area Code CityAreaCode	972
	dei	Security12b Title Security12bTitle	Common stock, $0.01 par value per share
	dei	Trading Symbol TradingSymbol	LII
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	22500000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	2559200000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	900000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3994000000	usd
	dei	Local Phone Number LocalPhoneNumber	497-5000
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	816500000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	689200000	usd
CY2024Q3	us-gaap	Other Assets Current OtherAssetsCurrent	69600000	usd
CY2024Q3	us-gaap	Assets Current AssetsCurrent	1831000000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	219900000	usd
CY2024Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	13300000	usd
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1204900000	usd
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	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-5200000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	168200000	usd
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CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	178900000	usd
	dei	Entity Registrant Name EntityRegistrantName	LENNOX INTERNATIONAL INC
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	184400000	usd
CY2024Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	87170197	shares
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CY2023Q3	us-gaap	Restructuring Charges RestructuringCharges	300000	usd
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	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6100000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8000000.0	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	790200000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	604800000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
	us-gaap	Interest Expense InterestExpense	33200000	usd
	us-gaap	Interest Expense InterestExpense	40400000	usd
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	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	100000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	755100000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	564100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	145900000	usd
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CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	17.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.55
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	17.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.51
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35600000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-9900000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-5700000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-19400000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	100000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	0	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	1200000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	800000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-300000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	0	usd
CY2024Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3313200000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2798300000	usd
	us-gaap	Restructuring Charges RestructuringCharges	0	usd
	us-gaap	Restructuring Charges RestructuringCharges	200000	usd
CY2024Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
CY2023Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	1600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6100000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8000000.0	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	790200000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	604800000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	400000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	11200000	usd
	us-gaap	Interest Expense InterestExpense	40400000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1500000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	100000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	755100000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	564100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	145900000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	118500000	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	17.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.55
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	17.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.51
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35600000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-9900000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-5700000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-19400000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	8700000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	100000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	0	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	1200000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	800000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-300000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-700000	usd
CY2024Q3	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-100000	usd
CY2023Q3	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-300000	usd
	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-400000	usd
	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-400000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-200000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-200000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	1100000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-600000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	3100000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	5300000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	3600000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-800000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-800000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-1200000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-1200000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-9600000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-400000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-13200000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	14800000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	300000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	800000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	600000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1200000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9900000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1200000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13800000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	13600000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	229100000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	129200000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	595400000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	459200000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	577400000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Dividends Dividends	1.15	usd
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	41000000.0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-9900000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000	usd
CY2024Q3	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-200000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6800000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1100000	usd
CY2024Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	19400000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	754000000.0	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	62600000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	130400000	usd
CY2023Q3	us-gaap	Dividends Dividends	1.10	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-700000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-600000	usd
CY2024Q3	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-100000	usd
CY2023Q3	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-300000	usd
	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-400000	usd
	lii	Other Comprehensive Income Loss Defined Benefit Plan Gain Loss Pension Settlements Before Reclassification And Tax OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossPensionSettlementsBeforeReclassificationAndTax	-400000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-200000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	1100000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-200000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	1100000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-600000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	3100000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	5300000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	3600000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-800000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-800000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-1200000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-1200000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-9600000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-400000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-13200000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	14800000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	300000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	800000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	600000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1200000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9900000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1200000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	13600000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	229100000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	129200000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	595400000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	577400000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Dividends Dividends	1.15	usd
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	41000000.0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-9900000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000	usd
CY2024Q3	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-200000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6800000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1100000	usd
CY2024Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	19400000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	754000000.0	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	62600000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	130400000	usd
CY2023Q3	us-gaap	Dividends Dividends	1.10	usd
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	39100000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-5700000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-300000	usd
CY2023Q3	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-1100000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3100000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1100000	usd
CY2023Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4000000.0	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159500000	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	121400000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-19400000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	400000	usd
	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-200000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	6200000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	3200000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28600000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	754000000.0	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	-203100000	usd
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	39100000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-5700000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-300000	usd
CY2023Q3	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-1100000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9700000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3100000	usd
CY2023Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4000000.0	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159500000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	285300000	usd
	us-gaap	Dividends Dividends	3.4	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	121400000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-19400000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	400000	usd
	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-200000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20100000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	6200000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	3200000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28600000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	754000000.0	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	-203100000	usd
	us-gaap	Net Income Loss NetIncomeLoss	445600000	usd
	us-gaap	Dividends Dividends	3.26	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	115900000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	8700000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3600000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2900000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	7100000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159500000	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
	us-gaap	Net Income Loss NetIncomeLoss	445600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	1600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6100000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8000000.0	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2500000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4600000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4700000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	6700000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-5600000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	20100000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	23500000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	69600000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	62000000.0	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-21500000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-24900000	usd
	us-gaap	Pension Expense PensionExpense	3500000	usd
	us-gaap	Pension Expense PensionExpense	2400000	usd
	us-gaap	Pension Contributions PensionContributions	9100000	usd
	us-gaap	Pension Contributions PensionContributions	2800000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	0	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1400000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	229100000	usd
	us-gaap	Net Income Loss NetIncomeLoss	445600000	usd
	us-gaap	Dividends Dividends	3.26	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	115900000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	8700000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000	usd
	us-gaap	Oci Equity Method Investment After Tax OciEquityMethodInvestmentAfterTax	-1100000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23500000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3600000	usd
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	2900000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	7100000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	159500000	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
	us-gaap	Net Income Loss NetIncomeLoss	445600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	1600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6100000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8000000.0	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2500000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4600000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4700000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	6700000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-5600000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	20100000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	23500000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	69600000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	62000000.0	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-21500000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-24900000	usd
	us-gaap	Pension Expense PensionExpense	3500000	usd
	us-gaap	Pension Contributions PensionContributions	9100000	usd
	us-gaap	Pension Contributions PensionContributions	2800000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	0	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1400000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	229100000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-9100000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	44900000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	104600000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-10900000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	31300000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	69400000	usd
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	20400000	usd
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-6700000	usd
	us-gaap	Increase Decrease In Leasing Receivables IncreaseDecreaseInLeasingReceivables	-3800000	usd
	us-gaap	Increase Decrease In Leasing Receivables IncreaseDecreaseInLeasingReceivables	-3400000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-8700000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	7800000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	613300000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	429900000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1900000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1600000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	103400000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	125000000.0	usd
	us-gaap	Proceeds From Previous Acquisition ProceedsFromPreviousAcquisition	4100000	usd
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	142500000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-9100000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	44900000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	104600000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-10900000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	31300000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	69400000	usd
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	20400000	usd
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-6700000	usd
	us-gaap	Increase Decrease In Leasing Receivables IncreaseDecreaseInLeasingReceivables	-3800000	usd
	us-gaap	Increase Decrease In Leasing Receivables IncreaseDecreaseInLeasingReceivables	-3400000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-8700000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	7800000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	613300000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	429900000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1900000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	103400000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	125000000.0	usd
	us-gaap	Proceeds From Previous Acquisition ProceedsFromPreviousAcquisition	4100000	usd
	us-gaap	Proceeds From Previous Acquisition ProceedsFromPreviousAcquisition	0	usd
	lii	Payments To Acquire Businesses Net Of Cash Acquired Excluding Previous Acquisitions PaymentsToAcquireBusinessesNetOfCashAcquiredExcludingPreviousAcquisitions	-1800000	usd
	lii	Payments To Acquire Businesses Net Of Cash Acquired Excluding Previous Acquisitions PaymentsToAcquireBusinessesNetOfCashAcquiredExcludingPreviousAcquisitions	0	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	12500000	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	1100000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-108100000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-124500000	usd
	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	424100000	usd
	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	0	usd
	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	574100000	usd
	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	0	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	156700000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1737500000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	190200000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	2290100000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	500000000.0	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5400000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	3300000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	2900000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12900000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15000000.0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7100000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	119300000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	153400000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-327400000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-215600000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	177800000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	89800000	usd
CY2024Q3	lii	Restricted Cash And Cash Equivalents Held For Sale RestrictedCashAndCashEquivalentsHeldForSale	0	usd
CY2023Q3	lii	Restricted Cash And Cash Equivalents Held For Sale RestrictedCashAndCashEquivalentsHeldForSale	-7600000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4600000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2800000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60700000	usd
	us-gaap	Proceeds From Previous Acquisition ProceedsFromPreviousAcquisition	0	usd
	lii	Payments To Acquire Businesses Net Of Cash Acquired Excluding Previous Acquisitions PaymentsToAcquireBusinessesNetOfCashAcquiredExcludingPreviousAcquisitions	-1800000	usd
	lii	Payments To Acquire Businesses Net Of Cash Acquired Excluding Previous Acquisitions PaymentsToAcquireBusinessesNetOfCashAcquiredExcludingPreviousAcquisitions	0	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	12500000	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	1100000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-108100000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-124500000	usd
	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	424100000	usd
	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	0	usd
	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	574100000	usd
	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	0	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	156700000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1737500000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	190200000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	2290100000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	500000000.0	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5400000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	3300000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	2900000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12900000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15000000.0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7100000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	119300000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	153400000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-327400000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-215600000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	177800000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	89800000	usd
CY2024Q3	lii	Restricted Cash And Cash Equivalents Held For Sale RestrictedCashAndCashEquivalentsHeldForSale	0	usd
CY2023Q3	lii	Restricted Cash And Cash Equivalents Held For Sale RestrictedCashAndCashEquivalentsHeldForSale	-7600000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4600000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2800000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60700000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	52600000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	243100000	usd
	us-gaap	Interest Paid Net InterestPaidNet	44700000	usd
	us-gaap	Interest Paid Net InterestPaidNet	42000000.0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	145500000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	151300000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	52600000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	243100000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	132000000.0	usd
	us-gaap	Interest Paid Net InterestPaidNet	44700000	usd
	us-gaap	Interest Paid Net InterestPaidNet	42000000.0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	145500000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	151300000	usd
	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-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><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 requires us to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of accounts receivable, inventories, goodwill, intangible assets and other long-lived assets, contingencies, guarantee obligations, indemnifications, and assumptions used in the calculation of income taxes, pension and post-retirement medical benefits, self-insurance and warranty reserves, and stock-based compensation, among others. These estimates and assumptions are based on our best estimates and judgment. </span></div>We evaluate these estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment. We believe these estimates and assumptions to be reasonable under the circumstances and will adjust such estimates and assumptions when facts and circumstances dictate. Volatile equity, foreign currency and commodity markets combine to increase the uncertainty inherent in such estimates and assumptions. Future events and their effects cannot be determined with precision and actual results could differ significantly from these estimates. Changes in these estimates will be reflected in the financial statements in future periods.
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q3	us-gaap	Revenues Revenues	1498100000	usd
CY2023Q3	us-gaap	Revenues Revenues	1366300000	usd
	us-gaap	Revenues Revenues	3996300000	usd
	us-gaap	Revenues Revenues	3827100000	usd
CY2024Q3	lii	Segment Profit And Loss SegmentProfitAndLoss	303300000	usd
CY2023Q3	lii	Segment Profit And Loss SegmentProfitAndLoss	255300000	usd
	lii	Segment Profit And Loss SegmentProfitAndLoss	788600000	usd
	lii	Segment Profit And Loss SegmentProfitAndLoss	680300000	usd
CY2024Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	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-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><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 requires us to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of accounts receivable, inventories, goodwill, intangible assets and other long-lived assets, contingencies, guarantee obligations, indemnifications, and assumptions used in the calculation of income taxes, pension and post-retirement medical benefits, self-insurance and warranty reserves, and stock-based compensation, among others. These estimates and assumptions are based on our best estimates and judgment. </span></div>We evaluate these estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment. We believe these estimates and assumptions to be reasonable under the circumstances and will adjust such estimates and assumptions when facts and circumstances dictate. Volatile equity, foreign currency and commodity markets combine to increase the uncertainty inherent in such estimates and assumptions. Future events and their effects cannot be determined with precision and actual results could differ significantly from these estimates. Changes in these estimates will be reflected in the financial statements in future periods.
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q3	us-gaap	Revenues Revenues	1498100000	usd
CY2023Q3	us-gaap	Revenues Revenues	1366300000	usd
	us-gaap	Revenues Revenues	3996300000	usd
	us-gaap	Revenues Revenues	3827100000	usd
CY2024Q3	lii	Segment Profit And Loss SegmentProfitAndLoss	303300000	usd
CY2023Q3	lii	Segment Profit And Loss SegmentProfitAndLoss	255300000	usd
	lii	Segment Profit And Loss SegmentProfitAndLoss	788600000	usd
	lii	Segment Profit And Loss SegmentProfitAndLoss	680300000	usd
CY2024Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
CY2023Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
CY2024Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
CY2023Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	1600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
CY2024Q3	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	0	usd
CY2023Q3	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	-5000000.0	usd
	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	0	usd
	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	-12100000	usd
CY2024Q3	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2023Q3	us-gaap	Restructuring Charges RestructuringCharges	300000	usd
	us-gaap	Restructuring Charges RestructuringCharges	0	usd
	us-gaap	Restructuring Charges RestructuringCharges	200000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	303300000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	186800000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	790200000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	604800000	usd
CY2023Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	63200000	usd
CY2024Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
CY2023Q3	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	1600000	usd
	lii	Gain Loss On Previous Acquisition GainLossOnPreviousAcquisition	0	usd
CY2024Q3	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	0	usd
CY2023Q3	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	-5000000.0	usd
	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	0	usd
	lii	Segment Reporting Reconciling Item In Losses And Other Expenses From Segment To Consolidated Amount SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount	-12100000	usd
CY2024Q3	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2023Q3	us-gaap	Restructuring Charges RestructuringCharges	300000	usd
	us-gaap	Restructuring Charges RestructuringCharges	0	usd
	us-gaap	Restructuring Charges RestructuringCharges	200000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	303300000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	186800000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	790200000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	604800000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35600000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	17.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.55
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.68
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	239000000.0	usd
	us-gaap	Net Income Loss NetIncomeLoss	609200000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35500000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35600000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.71
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	17.11
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.68
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	17.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.51
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	17.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.51
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
CY2024Q3	lii	Operating Lease Right Of Use Asset Percentage Related To Leases Of Real Estate OperatingLeaseRightOfUseAssetPercentageRelatedToLeasesOfRealEstate	0.79
CY2024Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	47800000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	45400000	usd
CY2024Q3	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	109100000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	97400000	usd
CY2024Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	156900000	usd
CY2023Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	142800000	usd
CY2023Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	142800000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	32400000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	46500000	usd
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	200000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-200000	usd
CY2024Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	156900000	usd
CY2024Q3	lii	Operating Lease Right Of Use Asset Percentage Related To Leases Of Real Estate OperatingLeaseRightOfUseAssetPercentageRelatedToLeasesOfRealEstate	0.79
CY2024Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	47800000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	45400000	usd
CY2024Q3	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	109100000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	97400000	usd
CY2024Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	156900000	usd
CY2023Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	142800000	usd
CY2023Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	142800000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	32400000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	46500000	usd
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	200000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-200000	usd
CY2024Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	4000000000.0	usd
CY2021Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1000000000	usd
CY2024Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	532500000	usd
CY2024Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	4000000000.0	usd
CY2021Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1000000000	usd
CY2024Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	532500000	usd
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	23000	shares
CY2024Q3	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	23000	shares
CY2024Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	13500000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	13500000	usd
CY2024Q3	us-gaap	Revenues Revenues	1498100000	usd
CY2023Q3	us-gaap	Revenues Revenues	1366300000	usd
	us-gaap	Revenues Revenues	3996300000	usd
	us-gaap	Revenues Revenues	3827100000	usd
CY2024Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2000000.0	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2200000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4200000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4700000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	8100000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7500000	usd
CY2024Q3	lii	Contractwith Customer Asset Liability Net ContractwithCustomerAssetLiabilityNet	-10300000	usd
CY2023Q4	lii	Contractwith Customer Asset Liability Net ContractwithCustomerAssetLiabilityNet	-10000000.0	usd
CY2023Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2800000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7000000	usd
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	23000	shares
CY2024Q3	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	23000	shares
CY2024Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	13500000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	13500000	usd
CY2024Q3	us-gaap	Revenues Revenues	1498100000	usd
CY2023Q3	us-gaap	Revenues Revenues	1366300000	usd
	us-gaap	Revenues Revenues	3996300000	usd
	us-gaap	Revenues Revenues	3827100000	usd
CY2024Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2000000.0	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2200000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4200000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4700000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	8100000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7500000	usd
CY2024Q3	lii	Contractwith Customer Asset Liability Net ContractwithCustomerAssetLiabilityNet	-10300000	usd
CY2023Q4	lii	Contractwith Customer Asset Liability Net ContractwithCustomerAssetLiabilityNet	-10000000.0	usd
CY2023Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2800000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7000000	usd
CY2024Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	443200000	usd
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	509400000	usd
CY2024Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	13700000	usd
CY2023Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	9600000	usd
CY2024Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	369300000	usd
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	314200000	usd
CY2024Q3	us-gaap	Inventory Gross InventoryGross	826200000	usd
CY2023Q4	us-gaap	Inventory Gross InventoryGross	833200000	usd
CY2024Q3	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	137000000.0	usd
CY2023Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	134100000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	689200000	usd
CY2024Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	443200000	usd
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	509400000	usd
CY2024Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	13700000	usd
CY2024Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	369300000	usd
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	314200000	usd
CY2024Q3	us-gaap	Inventory Gross InventoryGross	826200000	usd
CY2023Q4	us-gaap	Inventory Gross InventoryGross	833200000	usd
CY2024Q3	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	137000000.0	usd
CY2023Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	134100000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	689200000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	699100000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	222100000	usd
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	2200000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	219900000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	699100000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	222100000	usd
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	2200000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	219900000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6800000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9700000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6800000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9700000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20100000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23500000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	400000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	500000	usd
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1200000	usd
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1600000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2200000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2200000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20100000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23500000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	400000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	500000	usd
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1200000	usd
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1600000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2200000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2200000	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	6500000	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	6700000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1900000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2400000	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	5700000	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	7100000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-300000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0	usd
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-700000	usd
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-600000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
CY2023Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	300000	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	-100000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-100000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-300000	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-400000	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-400000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1100000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	900000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	3100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2100000	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	6500000	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	6700000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1900000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2400000	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	5700000	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	7100000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0	usd
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-700000	usd
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-600000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
CY2023Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	300000	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	-100000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-100000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-300000	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-400000	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-400000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1100000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	900000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	3100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2100000	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4500000	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4500000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.193
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.210
CY2024Q3	us-gaap	Commercial Paper CommercialPaper	0	usd
CY2023Q4	us-gaap	Commercial Paper CommercialPaper	150000000.0	usd
CY2024Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	13200000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	12100000	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4500000	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4500000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.193
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.210
CY2024Q3	us-gaap	Commercial Paper CommercialPaper	0	usd
CY2023Q4	us-gaap	Commercial Paper CommercialPaper	150000000.0	usd
CY2024Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	13200000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	12100000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	500000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	0	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	312700000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	12100000	usd
CY2024Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	34600000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	32700000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Noncurrent Gross DeferredFinanceCostsNoncurrentGross	7000000.0	usd
CY2023Q4	us-gaap	Deferred Finance Costs Noncurrent Gross DeferredFinanceCostsNoncurrentGross	9600000	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	827600000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1143100000	usd
CY2024Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1140300000	usd
CY2023Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1305200000	usd
CY2024Q3	us-gaap	Commercial Paper CommercialPaper	0	usd
CY2024Q3	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	500000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	0	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	312700000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	12100000	usd
CY2024Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	34600000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	32700000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Noncurrent Gross DeferredFinanceCostsNoncurrentGross	7000000.0	usd
CY2023Q4	us-gaap	Deferred Finance Costs Noncurrent Gross DeferredFinanceCostsNoncurrentGross	9600000	usd
CY2024Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	827600000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1143100000	usd
CY2024Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1140300000	usd
CY2023Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1305200000	usd
CY2024Q3	us-gaap	Commercial Paper CommercialPaper	0	usd
CY2024Q3	lii	Noncashpensionsettlementloss Noncashpensionsettlementloss	100000	usd
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
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CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false

Files In Submission

Name	View Source	Status
0001628280-24-043392-index-headers.html	Edgar Link	pending
0001628280-24-043392-index.html	Edgar Link	pending
0001628280-24-043392.txt	Edgar Link	pending
0001628280-24-043392-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
lii-20240930.htm	Edgar Link	pending
lii-20240930.xsd	Edgar Link	pending
lii-ex311_2024930x10q.htm	Edgar Link	pending
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lii-20240930_htm.xml	Edgar Link	completed
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FilingSummary.xml	Edgar Link	unprocessable
lii-20240930_cal.xml	Edgar Link	unprocessable
lii-20240930_pre.xml	Edgar Link	unprocessable
lii-20240930_def.xml	Edgar Link	unprocessable
lii-20240930_lab.xml	Edgar Link	unprocessable

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$LII
LENNOX INTERNATIONAL INC Stock $lii

2024 Q4 Form 10-Q Financial Statement

#000162828024043392 Filed on October 23, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LII LENNOX INTERNATIONAL INC Stock $lii

2024 Q4 Form 10-Q Financial Statement

#000162828024043392 Filed on October 23, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LII
LENNOX INTERNATIONAL INC Stock $lii