$JHX
James Hardie Industries plc Stock $jhx

$jhx Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 20-F Financial Statement

#000115915224000016 Filed on May 20, 2024

Income Statement

Concept	2024 Q1	2024
Revenue	$1.005B	$3.936B
YoY Change	9.49%	4.21%
Cost Of Revenue	$594.2M	$2.348B
YoY Change	1.09%	-4.75%
Gross Profit	$410.7M	$1.588B
YoY Change	24.45%	21.07%
Gross Profit Margin	40.87%	40.35%
Selling, General & Admin	$164.2M	$602.2M
YoY Change	23.74%	21.9%
% of Gross Profit	39.98%	37.91%
Research & Development	$14.50M	$47.00M
YoY Change	42.16%	18.69%
% of Gross Profit	3.53%	2.96%
Depreciation & Amortization	$48.30M	$185.0M
YoY Change	5.0%	7.18%
% of Gross Profit	11.76%	11.65%
Operating Expenses	$178.7M	$649.2M
YoY Change	25.05%	21.66%
Operating Profit	$232.0M	$767.4M
YoY Change	24.0%	3.51%
Interest Expense	-$149.9M	-$167.0M
YoY Change	137.18%	146.68%
% of Operating Profit	-64.61%	-21.76%
Other Income/Expense, Net	-$100.0K	$2.700M
YoY Change	-125.0%	-78.91%
Pretax Income	$82.00M	$754.8M
YoY Change	-34.03%	4.33%
Income Tax	$26.40M	$244.6M
% Of Pretax Income	32.2%	32.41%
Net Earnings	$55.60M	$510.2M
YoY Change	-31.7%	-0.35%
Net Earnings / Revenue	5.53%	12.96%
Basic Earnings Per Share		$1.16
Diluted Earnings Per Share	$0.13	$1.16
COMMON SHARES
Basic Shares Outstanding	433.8M shares	438.4M shares
Diluted Shares Outstanding		439.6M shares

Balance Sheet

Concept	2024 Q1	2024
SHORT-TERM ASSETS
Cash & Short-Term Investments	$365.0M	$365.0M
YoY Change	223.01%	223.01%
Cash & Equivalents	$365.0M	$365.0M
Short-Term Investments
Other Short-Term Assets	$354.4M	$354.4M
YoY Change	38.28%	38.28%
Inventory	$337.8M	$337.8M
Prepaid Expenses
Receivables	$366.1M	$312.7M
Other Receivables	$19.00M	$58.50M
Total Short-Term Assets	$1.428B	$1.428B
YoY Change	32.86%	32.86%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.038B	$2.102B
YoY Change	10.77%	10.56%
Goodwill	$192.6M
YoY Change	-1.18%
Intangibles	$149.2M
YoY Change	-3.87%
Long-Term Investments
YoY Change
Other Assets	$19.30M	$1.014B
YoY Change	7.82%	-9.82%
Total Long-Term Assets	$3.484B	$3.484B
YoY Change	2.36%	2.36%
TOTAL ASSETS
Total Short-Term Assets	$1.428B	$1.428B
Total Long-Term Assets	$3.484B	$3.484B
Total Assets	$4.913B	$4.913B
YoY Change	9.68%	9.68%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$463.3M	$327.5M
YoY Change	19.5%	27.53%
Accrued Expenses	$171.2M	$307.0M
YoY Change	28.14%	16.07%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$7.500M	$8.700M
YoY Change	837.5%	987.5%
Total Short-Term Liabilities	$797.7M	$797.7M
YoY Change	14.4%	14.4%
LONG-TERM LIABILITIES
Long-Term Debt	$1.115B	$1.117B
YoY Change	5.3%	5.36%
Other Long-Term Liabilities	$58.50M	$1.031B
YoY Change	20.12%	1.47%
Total Long-Term Liabilities	$1.174B	$2.149B
YoY Change	5.95%	3.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$797.7M	$797.7M
Total Long-Term Liabilities	$1.174B	$2.149B
Total Liabilities	$3.054B	$3.054B
YoY Change	6.49%	6.49%
SHAREHOLDERS EQUITY
Retained Earnings	$1.446B
YoY Change	20.82%
Common Stock	$481.2M
YoY Change	2.84%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.859B	$1.859B
YoY Change
Total Liabilities & Shareholders Equity	$4.913B	$4.913B
YoY Change	9.68%	9.68%

Cashflow Statement

Concept	2024 Q1	2024
OPERATING ACTIVITIES
Net Income	$55.60M	$510.2M
YoY Change	-31.7%	-0.35%
Depreciation, Depletion And Amortization	$48.30M	$185.0M
YoY Change	5.0%	7.18%
Cash From Operating Activities	$164.7M	$914.2M
YoY Change	-6.15%	50.46%
INVESTING ACTIVITIES
Capital Expenditures	$121.1M	$449.3M
YoY Change	-13.87%	-24.01%
Acquisitions
YoY Change
Other Investing Activities	$600.0K	-$21.20M
YoY Change	-128.57%	-69.19%
Cash From Investing Activities	-$120.5M	-$470.5M
YoY Change	-15.56%	-28.72%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$271.0M
YoY Change		246.55%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-77.20M	-$210.1M
YoY Change	-748.74%	727.17%
NET CHANGE
Cash From Operating Activities	164.7M	$914.2M
Cash From Investing Activities	-120.5M	-$470.5M
Cash From Financing Activities	-77.20M	-$210.1M
Net Change In Cash	-33.00M	$230.2M
YoY Change	-173.83%	-366.74%
FREE CASH FLOW
Cash From Operating Activities	$164.7M	$914.2M
Capital Expenditures	$121.1M	$449.3M
Free Cash Flow	$43.60M	$464.9M
YoY Change	24.93%	2752.15%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024	dei	Amendment Flag AmendmentFlag	false
CY2024	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2024	dei	Entity Central Index Key EntityCentralIndexKey	0001159152
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
CY2024Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
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CY2024Q1	jhx	Finance Lease Liability Undiscounted Excess Amount Not Disclosed FinanceLeaseLiabilityUndiscountedExcessAmountNotDisclosed	0	usd
CY2024Q1	jhx	Lessee Operating Lease Liability Undiscounted Excess Amount Not Disclosed LesseeOperatingLeaseLiabilityUndiscountedExcessAmountNotDisclosed	0	usd
CY2024	dei	Document Type DocumentType	20-F
CY2024	dei	Document Registration Statement DocumentRegistrationStatement	false
CY2024	dei	Document Annual Report DocumentAnnualReport	true
CY2024	dei	Document Period End Date DocumentPeriodEndDate	2024-03-31
CY2024	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
CY2024	dei	Document Transition Report DocumentTransitionReport	false
CY2024	dei	Document Shell Company Report DocumentShellCompanyReport	false
CY2024	dei	Entity File Number EntityFileNumber	1-15240
CY2024	dei	Entity Registrant Name EntityRegistrantName	JAMES HARDIE INDUSTRIES plc
CY2024	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	L2
CY2024	dei	Entity Address Address Line1 EntityAddressAddressLine1	1st Floor, Block A
CY2024	dei	Entity Address Address Line2 EntityAddressAddressLine2	One Park Place
CY2024	dei	Entity Address Address Line3 EntityAddressAddressLine3	Upper Hatch Street
CY2024	dei	Entity Address City Or Town EntityAddressCityOrTown	Dublin 2
CY2024	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	D02 FD79
CY2024	dei	Entity Address Country EntityAddressCountry	IE
CY2024	dei	Security12b Title Security12bTitle	American Depositary Shares, each representing one unit of CHESS Units of Foreign Securities
CY2024	dei	Trading Symbol TradingSymbol	JHX
CY2024	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	433784634	shares
CY2024	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2024	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2024	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2024	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
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CY2024	dei	Document Accounting Standard DocumentAccountingStandard	U.S. GAAP
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CY2024	dei	Auditor Firm AuditorFirmId	42
CY2024	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2024	dei	Auditor Location AuditorLocation	Irvine, California
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CY2024Q1	us-gaap	Assets Held For Sale Not Part Of Disposal Group Current AssetsHeldForSaleNotPartOfDisposalGroupCurrent	55400000	usd
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CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	60900000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	59400000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	192600000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	194900000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	149200000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	155200000	usd
CY2024Q1	jhx	Restricted Long Term Investments Asbestos RestrictedLongTermInvestmentsAsbestos	0	usd
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CY2024Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	690400000	usd
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CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	643100000	usd
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	244600000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	211500000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	184000000.0	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	510200000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	512000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	459100000	usd
CY2024	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.15
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
CY2024	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.15
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2024	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	438400000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	445100000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	444900000	shares
CY2024	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	439600000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	445600000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	445900000	shares
CY2024	us-gaap	Net Income Loss NetIncomeLoss	510200000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	512000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	459100000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	500000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-2100000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	700000	usd
CY2024	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-14500000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-33400000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-14700000	usd
CY2024	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	495200000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	480700000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	443700000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	510200000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	512000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	459100000	usd
CY2024	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	185000000.0	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	172600000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	161800000	usd
CY2024	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	26900000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	23400000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	23200000	usd
CY2024	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	34600000	usd
CY2023	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	48400000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	49800000	usd
CY2024	us-gaap	Share Based Compensation ShareBasedCompensation	28200000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	15700000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	9000000.0	usd
CY2024	jhx	Asbestos Adjustments AsbestosAdjustments	151700000	usd
CY2023	jhx	Asbestos Adjustments AsbestosAdjustments	37000000.0	usd
CY2022	jhx	Asbestos Adjustments AsbestosAdjustments	131700000	usd
CY2024	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	600000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	200000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2400000	usd
CY2024	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2000000.0	usd
CY2023	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	12700000	usd
CY2022	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	0	usd
CY2024	us-gaap	Asset Impairment Charges AssetImpairmentCharges	20100000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2024	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-32200000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-22700000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-17700000	usd
CY2024	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	19700000	usd
CY2023	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-32100000	usd
CY2022	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	70900000	usd
CY2024	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3400000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	70800000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	64300000	usd
CY2024	jhx	Increase Decrease Operating Lease Assets And Liabilities Net IncreaseDecreaseOperatingLeaseAssetsAndLiabilitiesNet	-28000000.0	usd
CY2023	jhx	Increase Decrease Operating Lease Assets And Liabilities Net IncreaseDecreaseOperatingLeaseAssetsAndLiabilitiesNet	-19000000.0	usd
CY2022	jhx	Increase Decrease Operating Lease Assets And Liabilities Net IncreaseDecreaseOperatingLeaseAssetsAndLiabilitiesNet	-19200000	usd
CY2024	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	21500000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	12300000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5700000	usd
CY2024	jhx	Increase Decrease In Insurance Receivable Asbestos IncreaseDecreaseInInsuranceReceivableAsbestos	-5600000	usd
CY2023	jhx	Increase Decrease In Insurance Receivable Asbestos IncreaseDecreaseInInsuranceReceivableAsbestos	-6200000	usd
CY2022	jhx	Increase Decrease In Insurance Receivable Asbestos IncreaseDecreaseInInsuranceReceivableAsbestos	-8300000	usd
CY2024	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	47400000	usd
CY2023	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-63200000	usd
CY2022	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	136700000	usd
CY2024	jhx	Asbestos Net Claim Paid Adjustment Including Handling Costs Incurred Paid AsbestosNetClaimPaidAdjustmentIncludingHandlingCostsIncurredPaid	-116000000.0	usd
CY2023	jhx	Asbestos Net Claim Paid Adjustment Including Handling Costs Incurred Paid AsbestosNetClaimPaidAdjustmentIncludingHandlingCostsIncurredPaid	-107900000	usd
CY2022	jhx	Asbestos Net Claim Paid Adjustment Including Handling Costs Incurred Paid AsbestosNetClaimPaidAdjustmentIncludingHandlingCostsIncurredPaid	-118800000	usd
CY2024	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4900000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5500000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	200000	usd
CY2024	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	61600000	usd
CY2023	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	18100000	usd
CY2022	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	41000000.0	usd
CY2024	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	914200000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	607600000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	757200000	usd
CY2024	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	449300000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	591300000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	257800000	usd
CY2024	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4200000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	14100000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2024	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	19500000	usd
CY2023	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	8500000	usd
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	1900000	usd
CY2024	jhx	Purchase Of Restricted Investments Asbestos PurchaseOfRestrictedInvestmentsAsbestos	144200000	usd
CY2023	jhx	Purchase Of Restricted Investments Asbestos PurchaseOfRestrictedInvestmentsAsbestos	180100000	usd
CY2022	jhx	Purchase Of Restricted Investments Asbestos PurchaseOfRestrictedInvestmentsAsbestos	114600000	usd
CY2024	jhx	Proceeds From Restricted Investments Asbestos ProceedsFromRestrictedInvestmentsAsbestos	138300000	usd
CY2023	jhx	Proceeds From Restricted Investments Asbestos ProceedsFromRestrictedInvestmentsAsbestos	105700000	usd
CY2022	jhx	Proceeds From Restricted Investments Asbestos ProceedsFromRestrictedInvestmentsAsbestos	26100000	usd
CY2024	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-470500000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-660100000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-348200000	usd
CY2024	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	300000000.0	usd
CY2023	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2024	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	1900000	usd
CY2023	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2024	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	95000000.0	usd
CY2023	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	450000000.0	usd
CY2022	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	390000000.0	usd
CY2024	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	325000000.0	usd
CY2023	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	260000000.0	usd
CY2022	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	350000000.0	usd
CY2024	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1200000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2100000	usd
CY2024	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	400000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	200000	usd
CY2024	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	271400000	usd
CY2024	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1858900000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	300000	usd
CY2024	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1100000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1500000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1000000.0	usd
CY2024	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	271400000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	78400000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2024	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	129600000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	484000000.0	usd
CY2024	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4900000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6100000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2800000	usd
CY2024	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-210100000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-25400000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-449600000	usd
CY2024	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3400000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-8400000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-5900000	usd
CY2024	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	230200000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-86300000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46500000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	185600000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	271900000	usd
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	318400000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	415800000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	185600000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	271900000	usd
CY2024	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	75000000.0	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	34700000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	32300000	usd
CY2024	us-gaap	Interest Paid Net InterestPaidNet	41800000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	41000000.0	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	37000000.0	usd
CY2024	jhx	Income Taxes Paid Net Including Withholding Taxes IncomeTaxesPaidNetIncludingWithholdingTaxes	183100000	usd
CY2023	jhx	Income Taxes Paid Net Including Withholding Taxes IncomeTaxesPaidNetIncludingWithholdingTaxes	117100000	usd
CY2022	jhx	Income Taxes Paid Net Including Withholding Taxes IncomeTaxesPaidNetIncludingWithholdingTaxes	92700000	usd
CY2024	jhx	Payment To Fund PaymentToFund	91800000	usd
CY2023	jhx	Payment To Fund PaymentToFund	109600000	usd
CY2022	jhx	Payment To Fund PaymentToFund	248500000	usd
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1060800000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	459100000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15400000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6200000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	300000	usd
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	178100000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1332900000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	512000000.0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-31300000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9600000	usd
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	200000	usd
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	133600000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	78400000	usd
CY2023	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1611400000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	510200000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15000000.0	usd
CY2024	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23300000	usd
CY2024	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	400000	usd
CY2024	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-bottom:12pt;margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Certain prior period amounts have been reclassified to conform to the current period presentation.</span></div>
CY2024	us-gaap	Subsidiary Or Equity Method Investee Cumulative Percentage Ownership After All Transactions SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions	1
CY2024	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.</span></div>
CY2024Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	235400000	usd
CY2023Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	237800000	usd
CY2024Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2024Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	25100000	usd
CY2023Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	23000000.0	usd
CY2024Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	90600000	usd
CY2024	us-gaap	Advertising Expense AdvertisingExpense	110800000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	83100000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	53700000	usd
CY2023Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	93900000	usd
CY2024Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	13300000	usd
CY2024	jhx	Share Based Compensation Arrangement By Share Based Payment Award Percentage Vested After First Year ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestedAfterFirstYear	0.25
CY2024	jhx	Share Based Compensation Arrangement By Share Based Payment Award Percentage Vested After Second Year ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestedAfterSecondYear	0.25
CY2024	jhx	Share Based Compensation Arrangement By Share Based Payment Award Percentage Vested After Third Year ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageVestedAfterThirdYear	0.50
CY2024	jhx	Market Vesting Condition Peer Group Comparison Number Of Trading Days MarketVestingConditionPeerGroupComparisonNumberOfTradingDays	P20D
CY2023Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	10500000	usd
CY2024Q1	us-gaap	Inventory Net InventoryNet	337800000	usd
CY2023Q1	us-gaap	Inventory Net InventoryNet	344200000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	20200000	usd
CY2024	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	438400000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	445100000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	444900000	shares
CY2024	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1200000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000.0	shares
CY2024	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	439600000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	445600000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	445900000	shares
CY2024	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3936300000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3777100000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3614700000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	365000000.0	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	113000000.0	usd
CY2024Q1	jhx	Restricted Cash And Cash Equivalents Excluding Amounts For Asbestos Claims RestrictedCashAndCashEquivalentsExcludingAmountsForAsbestosClaims	5000000.0	usd
CY2023Q1	jhx	Restricted Cash And Cash Equivalents Excluding Amounts For Asbestos Claims RestrictedCashAndCashEquivalentsExcludingAmountsForAsbestosClaims	5000000.0	usd
CY2024Q1	jhx	Restricted Cash And Cash Equivalents Asbestos RestrictedCashAndCashEquivalentsAsbestos	45800000	usd
CY2023Q1	jhx	Restricted Cash And Cash Equivalents Asbestos RestrictedCashAndCashEquivalentsAsbestos	67600000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	415800000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	185600000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	192600000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	21600000	usd
CY2024	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4600000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3200000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1700000	usd
CY2024	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1100000	usd
CY2024Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	321200000	usd
CY2023Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	301200000	usd
CY2024Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	34400000	usd
CY2023Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	29600000	usd
CY2024Q1	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	19000000.0	usd
CY2023Q1	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	26600000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8500000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2600000	usd
CY2024Q1	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	366100000	usd
CY2023Q1	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	354800000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2600000	usd
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3400000	usd
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6100000	usd
CY2024	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	6200000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-600000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-2200000	usd
CY2024	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	300000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	200000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	500000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8500000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2600000	usd
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3400000	usd
CY2024Q1	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	118400000	usd
CY2023Q1	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	119700000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	47300000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	16500000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	30800000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	47900000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12400000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	35500000	usd
CY2024	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4300000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3800000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3500000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4400000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4600000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4800000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4900000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4600000	usd
CY2024	us-gaap	Operating Lease Cost OperatingLeaseCost	22300000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3501600000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3194700000	usd
CY2024Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1463800000	usd
CY2023Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1355100000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2037800000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1839600000	usd
CY2024	us-gaap	Depreciation Depreciation	178700000	usd
CY2023	us-gaap	Depreciation Depreciation	166800000	usd
CY2022	us-gaap	Depreciation Depreciation	155600000	usd
CY2024	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	20100000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	52600000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	60900000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	59400000	usd
CY2024Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	3000000.0	usd
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2000000.0	usd
CY2024Q1	jhx	Lease Rightof Use Asset LeaseRightofUseAsset	63900000	usd
CY2023Q1	jhx	Lease Rightof Use Asset LeaseRightofUseAsset	61400000	usd
CY2024Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	19000000.0	usd
CY2023Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	18100000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	59400000	usd
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	61100000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	78400000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	79200000	usd
CY2024Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1200000	usd
CY2023Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	800000	usd
CY2024Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	2100000	usd
CY2023Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1400000	usd
CY2024Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	3300000	usd
CY2023Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	2200000	usd
CY2024Q1	jhx	Lease Liability LeaseLiability	81700000	usd
CY2023Q1	jhx	Lease Liability LeaseLiability	81400000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1400000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1000000.0	usd
CY2024	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	200000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	200000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	100000	usd
CY2024	us-gaap	Lease Cost LeaseCost	28200000	usd
CY2023	us-gaap	Lease Cost LeaseCost	25000000.0	usd
CY2022	us-gaap	Lease Cost LeaseCost	24400000	usd
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M6D
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2024Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y4M24D
CY2023Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y1M6D
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.054
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.046
CY2024Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.056
CY2023Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.043
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	21600000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	1300000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due Next Twelve Months OperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths	22900000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	18100000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1000000.0	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due Year Two OperatingandFinanceLeaseLiabilityPaymentsDueYearTwo	19100000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	11200000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	600000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due Year Three OperatingandFinanceLeaseLiabilityPaymentsDueYearThree	11800000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8400000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	400000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due Year Four OperatingandFinanceLeaseLiabilityPaymentsDueYearFour	8800000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6400000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	200000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due Year Five OperatingandFinanceLeaseLiabilityPaymentsDueYearFive	6600000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	30100000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Dueafter Year Five OperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive	30100000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	95800000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	3500000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Payments Due OperatingandFinanceLeaseLiabilityPaymentsDue	99300000	usd
CY2024Q1	jhx	Operatingand Finance Lease Liability Undiscounted Excess Amount OperatingandFinanceLeaseLiabilityUndiscountedExcessAmount	17600000	usd
CY2024Q1	jhx	Lease Liability LeaseLiability	81700000	usd
CY2024	us-gaap	Operating Lease Payments OperatingLeasePayments	24300000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	20900000	usd
CY2024	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	200000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	200000	usd
CY2024	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1100000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1500000	usd
CY2024	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	26000000.0	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16800000	usd
CY2024	jhx	Lease Right Of Use Asset Increase Decrease Due To Remeasurement LeaseRightOfUseAssetIncreaseDecreaseDueToRemeasurement	-3600000	usd
CY2024	jhx	Lease Liabilities Increase Decrease Due To Remeasurement LeaseLiabilitiesIncreaseDecreaseDueToRemeasurement	-3600000	usd
CY2023	jhx	Lease Right Of Use Asset Increase Decrease Due To Remeasurement LeaseRightOfUseAssetIncreaseDecreaseDueToRemeasurement	5700000	usd
CY2023	jhx	Lease Liabilities Increase Decrease Due To Remeasurement LeaseLiabilitiesIncreaseDecreaseDueToRemeasurement	5700000	usd
CY2024Q1	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	252000000.0	usd
CY2023Q1	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	198200000	usd
CY2024Q1	us-gaap	Interest Payable Current InterestPayableCurrent	14500000	usd
CY2023Q1	us-gaap	Interest Payable Current InterestPayableCurrent	4700000	usd
CY2024Q1	jhx	Accrued Customer Rebates Current AccruedCustomerRebatesCurrent	121300000	usd
CY2023Q1	jhx	Accrued Customer Rebates Current AccruedCustomerRebatesCurrent	126200000	usd
CY2024Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	75500000	usd
CY2023Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	58600000	usd
CY2024Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	463300000	usd
CY2023Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	387700000	usd
CY2024Q1	jhx	Purchase Obligation To Be Paid Next Five Fiscal Years PurchaseObligationToBePaidNextFiveFiscalYears	53900000	usd
CY2024Q1	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	27100000	usd
CY2024Q1	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	6500000	usd
CY2023Q1	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	7100000	usd
CY2024Q1	us-gaap	Long Term Debt LongTermDebt	1122600000	usd
CY2023Q1	us-gaap	Long Term Debt LongTermDebt	1059000000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	7500000	usd
CY2023Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	usd
CY2024Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1115100000	usd
CY2023Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1059000000	usd
CY2024Q1	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.051
CY2023Q1	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.047
CY2024	jhx	Long Term Debt Weighted Average Term Of Available Debt LongTermDebtWeightedAverageTermOfAvailableDebt	P3Y2M12D
CY2023	jhx	Long Term Debt Weighted Average Term Of Available Debt LongTermDebtWeightedAverageTermOfAvailableDebt	P4Y
CY2024Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	7500000	usd
CY2024Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	440400000	usd
CY2024Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	15000000.0	usd
CY2024Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	415000000.0	usd
CY2024Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	251200000	usd
CY2024Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1129100000	usd
CY2023Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	35600000	usd
CY2022Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	37700000	usd
CY2021Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	39600000	usd
CY2024	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	3900000	usd
CY2023	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1200000	usd
CY2022	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1900000	usd
CY2024	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	3300000	usd
CY2023	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	3300000	usd
CY2022	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	3800000	usd
CY2024Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	36200000	usd
CY2023Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	35600000	usd
CY2022Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	37700000	usd
CY2024	jhx	Change In Actuarial Estimate Asbestos Liability ChangeInActuarialEstimateAsbestosLiability	148100000	usd
CY2023	jhx	Change In Actuarial Estimate Asbestos Liability ChangeInActuarialEstimateAsbestosLiability	56000000.0	usd
CY2022	jhx	Change In Actuarial Estimate Asbestos Liability ChangeInActuarialEstimateAsbestosLiability	145600000	usd
CY2024	jhx	Change In Actuarial Estimate Insurance Receivables ChangeInActuarialEstimateInsuranceReceivables	3100000	usd
CY2023	jhx	Change In Actuarial Estimate Insurance Receivables ChangeInActuarialEstimateInsuranceReceivables	100000	usd
CY2022	jhx	Change In Actuarial Estimate Insurance Receivables ChangeInActuarialEstimateInsuranceReceivables	5300000	usd
CY2024	jhx	Change In Estimate Claims Handling Costs ChangeInEstimateClaimsHandlingCosts	8500000	usd
CY2023	jhx	Change In Estimate Claims Handling Costs ChangeInEstimateClaimsHandlingCosts	1200000	usd
CY2022	jhx	Change In Estimate Claims Handling Costs ChangeInEstimateClaimsHandlingCosts	600000	usd
CY2024	jhx	Changes In Estimates ChangesInEstimates	153500000	usd
CY2023	jhx	Changes In Estimates ChangesInEstimates	57100000	usd
CY2022	jhx	Changes In Estimates ChangesInEstimates	140900000	usd
CY2024	jhx	Asbestos Adjustment Gain Loss On Foreign Exchange AsbestosAdjustmentGainLossOnForeignExchange	9700000	usd
CY2023	jhx	Asbestos Adjustment Gain Loss On Foreign Exchange AsbestosAdjustmentGainLossOnForeignExchange	45900000	usd
CY2022	jhx	Asbestos Adjustment Gain Loss On Foreign Exchange AsbestosAdjustmentGainLossOnForeignExchange	13200000	usd
CY2024	jhx	Gain Loss On Foreign Currency Forwards Contracts Asbestos GainLossOnForeignCurrencyForwardsContractsAsbestos	-7800000	usd
CY2023	jhx	Gain Loss On Foreign Currency Forwards Contracts Asbestos GainLossOnForeignCurrencyForwardsContractsAsbestos	-24500000	usd
CY2022	jhx	Gain Loss On Foreign Currency Forwards Contracts Asbestos GainLossOnForeignCurrencyForwardsContractsAsbestos	-5300000	usd
CY2024	jhx	Asbestos Adjustments Other AsbestosAdjustmentsOther	-100000	usd
CY2023	jhx	Asbestos Adjustments Other AsbestosAdjustmentsOther	-1300000	usd
CY2022	jhx	Asbestos Adjustments Other AsbestosAdjustmentsOther	1300000	usd
CY2024	jhx	Asbestos Adjustments AsbestosAdjustments	151700000	usd
CY2023	jhx	Asbestos Adjustments AsbestosAdjustments	37000000.0	usd
CY2022	jhx	Asbestos Adjustments AsbestosAdjustments	131700000	usd
CY2023Q1	jhx	Average Settlement Amount Per Case Closed AverageSettlementAmountPerCaseClosed	271000	aud
CY2022Q1	jhx	Average Settlement Amount Per Case Closed AverageSettlementAmountPerCaseClosed	282000	aud
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CY2023Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	210300000	usd
CY2023Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1100000	shares
CY2023Q4	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	33.21
CY2023Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1100000	shares
CY2023Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	175000000.0	usd
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2024Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	0
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2024Q1	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	175000000.0	usd
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	700000	shares
CY2024Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	38.02
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	700000	shares
CY2024Q1	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	149100000	usd
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1200000	shares
CY2024Q1	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	40.19
CY2024Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1200000	shares
CY2024Q1	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	99800000	usd
CY2024	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12500000	shares
CY2024	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12500000	shares
CY2024	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3936300000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3777100000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3614700000	usd
CY2024	us-gaap	Operating Income Loss OperatingIncomeLoss	767400000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	741400000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	682600000	usd
CY2024	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	185000000.0	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	172600000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	161800000	usd
CY2024	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	47000000.0	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39600000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	38000000.0	usd
CY2024Q1	us-gaap	Assets Assets	4912600000	usd
CY2023Q1	us-gaap	Assets Assets	4479100000	usd
CY2024	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3936300000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3777100000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3614700000	usd
CY2024Q1	us-gaap	Assets Assets	4912600000	usd
CY2023Q1	us-gaap	Assets Assets	4479100000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-15000000.0	usd
CY2024	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.06
CY2024	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	16800000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	16300000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	14100000	usd
CY2024	us-gaap	Deferred Compensation Arrangement With Individual Cash Awards Granted Percentage DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentage	0.06

Files In Submission

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$JHX
James Hardie Industries plc Stock $jhx

2024 Q1 Form 20-F Financial Statement

#000115915224000016 Filed on May 20, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JHX James Hardie Industries plc Stock $jhx

2024 Q1 Form 20-F Financial Statement

#000115915224000016 Filed on May 20, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JHX
James Hardie Industries plc Stock $jhx