$ATKR
Atkore Inc. Stock $atkr

$atkr Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000166613822000128 Filed on November 18, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2022
Revenue	$833.8M	$1.029B	$3.914B
YoY Change	-0.83%	11.39%	33.67%
Cost Of Revenue	$499.5M	$614.5M	$2.274B
YoY Change	2.77%	8.49%	26.16%
Gross Profit	$334.4M	$414.5M	$1.640B
YoY Change	-5.77%	16.0%	45.7%
Gross Profit Margin	40.1%	40.28%	41.9%
Selling, General & Admin	$89.98M	$107.0M	$370.0M
YoY Change	15.13%	29.3%	26.29%
% of Gross Profit	26.91%	25.82%	22.56%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$25.97M	$23.95M	$84.42M
YoY Change	29.54%	-0.43%	7.46%
% of Gross Profit	7.77%	5.78%	5.15%
Operating Expenses	$89.98M	$117.6M	$370.0M
YoY Change	15.13%	28.79%	26.29%
Operating Profit	$231.6M	$296.8M	$1.234B
YoY Change	-13.73%	11.61%	54.43%
Interest Expense	-$9.488M	-$9.575M	-$30.68M
YoY Change	37.15%	12.93%	-6.76%
% of Operating Profit	-4.1%	-3.23%	-2.49%
Other Income/Expense, Net	-$41.00K	$102.0K	$490.0K
YoY Change	-113.31%	-87.44%	-97.3%
Pretax Income	$222.1M	$287.4M	$1.204B
YoY Change	-15.19%	7.31%	54.31%
Income Tax	$48.56M	$66.56M	$290.2M
% Of Pretax Income	21.87%	23.16%	24.11%
Net Earnings	$173.5M	$220.8M	$913.4M
YoY Change	-15.3%	9.01%	55.38%
Net Earnings / Revenue	20.81%	21.46%	23.34%
Basic Earnings Per Share	$4.26		$20.56
Diluted Earnings Per Share	$4.20	$5.292M	$20.30
COMMON SHARES
Basic Shares Outstanding	39.72M shares	41.32M shares	43.72M shares
Diluted Shares Outstanding	40.61M shares		44.28M shares

Balance Sheet

Concept	2022 Q4	2022 Q3	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$307.8M	$388.8M	$388.8M
YoY Change	-38.31%	-32.54%	-32.54%
Cash & Equivalents	$307.8M	$388.8M	$388.8M
Short-Term Investments
Other Short-Term Assets	$63.34M	$80.65M	$80.65M
YoY Change	37.98%	135.5%	135.5%
Inventory	$445.8M	$454.5M	$454.5M
Prepaid Expenses
Receivables	$506.9M	$528.9M	$528.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.324B	$1.453B	$1.453B
YoY Change	-8.62%	2.21%	2.21%
LONG-TERM ASSETS
Property, Plant & Equipment	$418.6M	$390.2M	$461.3M
YoY Change	51.18%	41.58%	45.63%
Goodwill	$323.2M	$289.3M
YoY Change	52.51%	45.36%
Intangibles	$426.9M	$382.7M
YoY Change	69.83%	58.66%
Long-Term Investments
YoY Change
Other Assets	$3.481M	$3.476M	$12.89M
YoY Change	-90.74%	76.72%	-59.3%
Total Long-Term Assets	$1.248B	$1.146B	$1.146B
YoY Change	52.39%	45.33%	45.33%
TOTAL ASSETS
Total Short-Term Assets	$1.324B	$1.453B	$1.453B
Total Long-Term Assets	$1.248B	$1.146B	$1.146B
Total Assets	$2.571B	$2.599B	$2.599B
YoY Change	13.41%	17.6%	17.6%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$210.9M	$244.1M	$244.1M
YoY Change	-9.86%	0.38%	0.38%
Accrued Expenses	$154.9M	$173.5M	$173.5M
YoY Change	10.63%	192.71%	16.73%
Deferred Revenue	$111.2M	$99.45M
YoY Change	12.77%	23.81%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$1.012M	$1.012M
YoY Change			10.96%
Total Short-Term Liabilities	$447.0M	$501.9M	$501.9M
YoY Change	-10.6%	-4.39%	-4.39%
LONG-TERM LIABILITIES
Long-Term Debt	$761.1M	$760.5M	$761.9M
YoY Change	0.28%	0.28%	0.23%
Other Long-Term Liabilities	$15.24M	$13.15M	$69.75M
YoY Change	6.23%	16.96%	63.12%
Total Long-Term Liabilities	$776.3M	$773.7M	$831.7M
YoY Change	0.39%	0.53%	3.58%
TOTAL LIABILITIES
Total Short-Term Liabilities	$447.0M	$501.9M	$501.9M
Total Long-Term Liabilities	$776.3M	$773.7M	$831.7M
Total Liabilities	$1.296B	$1.349B	$1.349B
YoY Change	-2.14%	0.29%	0.29%
SHAREHOLDERS EQUITY
Retained Earnings	$825.4M	$802.0M
YoY Change	68.81%	106.35%
Common Stock	$491.0M	$500.5M
YoY Change	0.97%	-1.35%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.275B	$1.250B	$1.250B
YoY Change
Total Liabilities & Shareholders Equity	$2.571B	$2.599B	$2.599B
YoY Change	13.41%	17.6%	17.6%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2022
OPERATING ACTIVITIES
Net Income	$173.5M	$220.8M	$913.4M
YoY Change	-15.3%	9.01%	55.38%
Depreciation, Depletion And Amortization	$25.97M	$23.95M	$84.42M
YoY Change	29.54%	-0.43%	7.46%
Cash From Operating Activities	$198.9M	$415.1M	$786.8M
YoY Change	104.6%	63.23%	37.34%
INVESTING ACTIVITIES
Capital Expenditures	$35.01M	-$53.79M	$135.8M
YoY Change	274.08%	77.91%	110.59%
Acquisitions	$82.18M		$307.8M
YoY Change	127.66%		612.59%
Other Investing Activities	-$82.18M	-$52.32M	-$307.0M
YoY Change		-895.91%
Cash From Investing Activities	-$117.2M	-$106.1M	-$442.8M
YoY Change	160.28%	348.51%	352.02%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$524.2M
YoY Change			288.11%
Debt Paid & Issued, Net			$0.00
YoY Change			-100.0%
Cash From Financing Activities	-$164.8M	-103.0M	-$524.2M
YoY Change	27.73%	109.94%	184.19%
NET CHANGE
Cash From Operating Activities	$198.9M	415.1M	$786.8M
Cash From Investing Activities	-$117.2M	-106.1M	-$442.8M
Cash From Financing Activities	-$164.8M	-103.0M	-$524.2M
Net Change In Cash	-$80.92M	206.0M	-$187.5M
YoY Change	4.65%	13.44%	-164.27%
FREE CASH FLOW
Cash From Operating Activities	$198.9M	$415.1M	$786.8M
Capital Expenditures	$35.01M	-$53.79M	$135.8M
Free Cash Flow	$163.8M	$468.8M	$651.1M
YoY Change	86.54%	64.79%	28.05%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001666138
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2022Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseRightofUseAssetNet
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseRightofUseAssetNet
CY2022Q3	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseLiabilityCurrent
CY2021Q3	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseLiabilityCurrent
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CY2021Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseLiabilityCurrent
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseLiabilityNoncurrent
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	1233805000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	798950000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	239556000	usd
CY2022	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-30676000	usd
CY2021	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-32899000	usd
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-40062000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-4202000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-273000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://atkore.com/20220930#OperatingAndFinanceLeaseLiabilityNoncurrent
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-37793
CY2022	dei	Entity Registrant Name EntityRegistrantName	Atkore Inc.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	90-0631463
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	16100 South Lathrop Avenue
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Harvey
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60426
CY2022	dei	City Area Code CityAreaCode	708
CY2022	dei	Local Phone Number LocalPhoneNumber	339-1610
CY2022	dei	Security12b Title Security12bTitle	Common stock, par value $0.01 per share
CY2022	dei	Trading Symbol TradingSymbol	ATKR
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q1	dei	Entity Public Float EntityPublicFloat	4400000000	usd
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39715917	shares
CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2022	dei	Auditor Location AuditorLocation	Chicago, Illinois
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3913949000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2928014000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1765421000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2273924000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1802401000	usd
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1274107000	usd
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CY2020	us-gaap	Gross Profit GrossProfit	491314000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	370044000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	293019000	usd
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	219496000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	36176000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	33644000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	32262000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	490000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	18152000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2777000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1203620000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	780001000	usd
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CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	290186000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	192144000	usd
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	587857000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	152302000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	20.56
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.38
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CY2022Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	15640000	usd
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	16746000	usd
CY2022Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13146000	usd
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	15059000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	1349209000	usd
CY2021Q3	us-gaap	Liabilities Liabilities	1345363000	usd
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	41351350	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41351350	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45997159	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45997159	shares
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	415000	usd
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	461000	usd
CY2022Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	260900	shares
CY2021Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	260900	shares
CY2022Q3	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	2580000	usd
CY2021Q3	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	2580000	usd
CY2022Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	500117000	usd
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	506921000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	801981000	usd
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	388660000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-50146000	usd
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-28726000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	1249787000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	864736000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2598996000	usd
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2210099000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	913434000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	587857000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	152302000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	84415000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	78557000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	74470000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2151000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2497000	usd
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1876000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3054000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43306000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4483000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-4202000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-273000	usd
CY2022	atkr	Provisionfor Doubtful Accountsand Inventory Writedown ProvisionforDoubtfulAccountsandInventoryWritedown	10235000	usd
CY2021	atkr	Provisionfor Doubtful Accountsand Inventory Writedown ProvisionforDoubtfulAccountsandInventoryWritedown	645000	usd
CY2020	atkr	Provisionfor Doubtful Accountsand Inventory Writedown ProvisionforDoubtfulAccountsandInventoryWritedown	5014000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	17245000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	17047000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	13064000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	13916000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	14515000	usd
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	14803000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	4850000	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-208000	usd
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	2157000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-17749000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	219659000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-16920000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	160980000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	81544000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-24642000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	21718000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6462000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	11164000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-28968000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	98444000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5835000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-92802000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	80291000	usd
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-6261000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	27198000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	63459000	usd
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-32942000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2944000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	23433000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	5040000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	786835000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	572902000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	248762000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	135776000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64474000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33770000	usd
CY2022	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	9627000	usd
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	2337000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	779000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	81000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3920000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	307805000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	43195000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-442802000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-97961000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27513000	usd
CY2022	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	usd
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	4000000	usd
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	798000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	835120000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	40000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-24045000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2660000	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-2972000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	500161000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	135066000	usd
CY2022	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	0	usd
CY2021	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	10930000	usd
CY2020	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	3204000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	284471000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	8000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-524206000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-184456000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-61179000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-7365000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1333000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	986000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-187538000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	291818000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	161056000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	576289000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	284471000	usd
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	123415000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	388751000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	576289000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	30529000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	23726000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	8653000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1094000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	38791000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	379769000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	155114000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	50993000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1278000	usd
CY2022	us-gaap	Business Combination Consideration Transferred Liabilities Incurred BusinessCombinationConsiderationTransferredLiabilitiesIncurred	12628000	usd
CY2021	us-gaap	Business Combination Consideration Transferred Liabilities Incurred BusinessCombinationConsiderationTransferredLiabilitiesIncurred	0	usd
CY2020	us-gaap	Business Combination Consideration Transferred Liabilities Incurred BusinessCombinationConsiderationTransferredLiabilitiesIncurred	0	usd
CY2022	atkr	Operating Cash Flows From Cash Paid On Operating Lease Liabilities OperatingCashFlowsFromCashPaidOnOperatingLeaseLiabilities	12549000	usd
CY2021	atkr	Operating Cash Flows From Cash Paid On Operating Lease Liabilities OperatingCashFlowsFromCashPaidOnOperatingLeaseLiabilities	13035000	usd
CY2020	atkr	Operating Cash Flows From Cash Paid On Operating Lease Liabilities OperatingCashFlowsFromCashPaidOnOperatingLeaseLiabilities	12939000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	38794000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	13538000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	15278000	usd
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	232936000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	152302000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-856000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13064000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-2972000	usd
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	15011000	usd
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	378410000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	587857000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	13828000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17047000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2660000	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	135066000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	864736000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	913434000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-21420000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-21420000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17245000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-24045000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	500161000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	1249787000	usd
CY2022Q3	atkr	Common Stock Voting Rights Number Of Vote For Each Share CommonStockVotingRightsNumberOfVoteForEachShare	1	vote
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	usd
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	0	usd
CY2021Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	usd
CY2021Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	0	usd
CY2021Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	usd
CY2022Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	800000000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	300000000	usd
CY2022	us-gaap	Fiscal Period FiscalPeriod	<span style="color:#000000;font-family:'Montserrat Semi Bold',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Fiscal Periods</span><span style="color:#000000;font-family:'Montserrat Light',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span>— The Company has a fiscal year that ends on September 30. The Company's fiscal quarters typically end on the last Friday in December, March and June as it follows a 4-5-4 calendar.
CY2020	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Montserrat Semi Bold',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Montserrat Light',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span>— The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclose contingent assets and liabilities at the date of the consolidated financial statements and report the associated amounts of revenues and expenses. Actual results could differ materially from these estimates.
CY2020	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	reportingunit
CY2022	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	reportingunit
CY2022	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	reportingunit
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68715000	usd
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38569000	usd
CY2022Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5209000	usd
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	4966000	usd
CY2022Q3	atkr	Operating And Finance Lease Rightof Use Asset Gross OperatingAndFinanceLeaseRightofUseAssetGross	73924000	usd
CY2021Q3	atkr	Operating And Finance Lease Rightof Use Asset Gross OperatingAndFinanceLeaseRightofUseAssetGross	43535000	usd
CY2022Q3	atkr	Operating And Finance Lease Rightof Use Asset Accumulated Amortization OperatingAndFinanceLeaseRightofUseAssetAccumulatedAmortization	2889000	usd
CY2021Q3	atkr	Operating And Finance Lease Rightof Use Asset Accumulated Amortization OperatingAndFinanceLeaseRightofUseAssetAccumulatedAmortization	2422000	usd
CY2022Q3	atkr	Operating And Finance Lease Rightof Use Asset Net OperatingAndFinanceLeaseRightofUseAssetNet	71035000	usd
CY2021Q3	atkr	Operating And Finance Lease Rightof Use Asset Net OperatingAndFinanceLeaseRightofUseAssetNet	41113000	usd
CY2022Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	12777000	usd
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	10873000	usd
CY2022Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1012000	usd
CY2021Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	912000	usd
CY2022Q3	atkr	Operating And Finance Lease Liability Current OperatingAndFinanceLeaseLiabilityCurrent	13789000	usd
CY2021Q3	atkr	Operating And Finance Lease Liability Current OperatingAndFinanceLeaseLiabilityCurrent	11785000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	56601000	usd
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	28434000	usd
CY2022Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1374000	usd
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1802000	usd
CY2022Q3	atkr	Operating And Finance Lease Liability Noncurrent OperatingAndFinanceLeaseLiabilityNoncurrent	57975000	usd
CY2021Q3	atkr	Operating And Finance Lease Liability Noncurrent OperatingAndFinanceLeaseLiabilityNoncurrent	30236000	usd
CY2021Q3	atkr	Operating And Finance Lease Liability Noncurrent OperatingAndFinanceLeaseLiabilityNoncurrent	30236000	usd
CY2022Q3	atkr	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	71764000	usd
CY2021Q3	atkr	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	42021000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	13916000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	14515000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	71000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	49000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	2471000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	938000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2857000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1815000	usd
CY2022	us-gaap	Lease Cost LeaseCost	19315000	usd
CY2021	us-gaap	Lease Cost LeaseCost	17317000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	1068000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	15259000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	796000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	13651000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	443000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	11023000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	241000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	9416000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	23000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7769000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y2M12D
CY2022Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.062
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.063
CY2022Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	19277000	usd
CY2022Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2571000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	76395000	usd
CY2022Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	185000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7017000	usd
CY2022Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	2386000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	69378000	usd
CY2021Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y3M18D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.045
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.040
CY2022Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.030
CY2021Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.025
CY2022Q3	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	31100000	usd
CY2022	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	4060993000	usd
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	3048378000	usd
CY2022	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	920022000	usd
CY2021	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	584754000	usd
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.027
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.025
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.031
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.040
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	0	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	122655000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	0	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	118843000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	0	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	122655000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	0	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	118843000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	6693000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	6893000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	7101000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	7294000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	7390000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	37238000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4615000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3400000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3718000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	20000	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17245000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17047000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13064000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1634000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2073000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3014000	usd
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1836000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.94
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	31957000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	67000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	37.24
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	508000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.55
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	14548000	usd
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	19.13
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1375000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.66
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	11443000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	72000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	29.80
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	678000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.30
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	33075000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	769000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	19.95
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	10.89
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	51441000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	42000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	105.94
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	49.39
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	98000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.58
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	9.84
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8703000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	713000	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.00
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.29
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	38062000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y2M19D
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	505000	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.56
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	29938000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y4M17D
CY2022Q3	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	105.94
CY2021Q3	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	29.80
CY2020Q3	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	37.24
CY2022	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	usd
CY2020	atkr	Other Nonoperating Income Loss Miscellaneous OtherNonoperatingIncomeLossMiscellaneous	0	usd
CY2021	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	731000	usd
CY2020	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	usd
CY2022	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	4379000	usd
CY2021	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-2201000	usd
CY2020	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-1269000	usd
CY2022	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	0	usd
CY2021	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	15500000	usd
CY2020	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	0	usd
CY2022	atkr	Foreign Exchange Gain Losson Intercompany Loans ForeignExchangeGainLossonIntercompanyLoans	-5342000	usd
CY2021	atkr	Foreign Exchange Gain Losson Intercompany Loans ForeignExchangeGainLossonIntercompanyLoans	1534000	usd
CY2020	atkr	Foreign Exchange Gain Losson Intercompany Loans ForeignExchangeGainLossonIntercompanyLoans	2342000	usd
CY2022	us-gaap	Pension Contributions PensionContributions	1803000	usd
CY2021	us-gaap	Pension Contributions PensionContributions	2368000	usd
CY2020	us-gaap	Pension Contributions PensionContributions	1704000	usd
CY2022	atkr	Other Nonoperating Income Loss Miscellaneous OtherNonoperatingIncomeLossMiscellaneous	-350000	usd
CY2021	atkr	Other Nonoperating Income Loss Miscellaneous OtherNonoperatingIncomeLossMiscellaneous	220000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	490000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	18152000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2777000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1174109000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	770350000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	201784000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	29511000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	9651000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	214000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1203620000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	780001000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	201998000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	228141000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	182105000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	32335000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	49793000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	46913000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9668000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	9198000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6432000	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3210000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	287132000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	235450000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	45213000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3174000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-35442000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5102000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	753000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-7281000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	49000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-873000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-583000	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-668000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3054000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43306000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4483000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	290186000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	192144000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	49696000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.03
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.04
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.04
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.01
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.02
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.01
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.02
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.24
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.25
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.25
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	39759000	usd
CY2022	atkr	Effective Income Tax Rate Reconciliation Limitations On Executive Compensation Amount EffectiveIncomeTaxRateReconciliationLimitationsOnExecutiveCompensationAmount	6996000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-11438000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	30680000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2190000	usd
CY2021	atkr	Effective Income Tax Rate Reconciliation Limitations On Executive Compensation Amount EffectiveIncomeTaxRateReconciliationLimitationsOnExecutiveCompensationAmount	2587000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-7352000	usd
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7690000	usd
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2099000	usd
CY2020	atkr	Effective Income Tax Rate Reconciliation Limitations On Executive Compensation Amount EffectiveIncomeTaxRateReconciliationLimitationsOnExecutiveCompensationAmount	1243000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-4203000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	47582000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	42932000	usd
CY2022Q3	atkr	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	17272000	usd
CY2021Q3	atkr	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	16096000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	583000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	2057000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	29501000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	36021000	usd
CY2022Q3	atkr	Deferred Tax Assets Lease Obligations DeferredTaxAssetsLeaseObligations	17779000	usd
CY2021Q3	atkr	Deferred Tax Assets Lease Obligations DeferredTaxAssetsLeaseObligations	10616000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1079000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	633000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	113796000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	108355000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	28475000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21784000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	56886000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	43657000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	0	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	5102000	usd
CY2022Q3	atkr	Deferred Tax Assets Rou Asset Net DeferredTaxAssetsROUAssetNet	17095000	usd
CY2021Q3	atkr	Deferred Tax Assets Rou Asset Net DeferredTaxAssetsROUAssetNet	10247000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4156000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3095000	usd
CY2022Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	106612000	usd
CY2021Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	83885000	usd
CY2022Q3	atkr	Deferred Tax Assets Net Of Deferred Tax Liabilities Before Valuation Allowance DeferredTaxAssetsNetOfDeferredTaxLiabilitiesBeforeValuationAllowance	-7184000	usd
CY2021Q3	atkr	Deferred Tax Assets Net Of Deferred Tax Liabilities Before Valuation Allowance DeferredTaxAssetsNetOfDeferredTaxLiabilitiesBeforeValuationAllowance	-24470000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	13415000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	11523000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6231000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	12947000	usd
CY2022	atkr	Operating Loss Carryforwards Expiration Term OperatingLossCarryforwardsExpirationTerm	P5Y
CY2022Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	985000	usd
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3333000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	77000	usd
CY2021Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	260000	usd
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	794000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	925000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	122000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	227000	usd
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1614000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	291000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1658000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	230000	usd
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3333000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	322000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	342000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3012000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	985000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3012000	usd
CY2022	atkr	Unrecognized Tax Benefits Increase Resulting From Current And Prior Period UnrecognizedTaxBenefitsIncreaseResultingFromCurrentAndPriorPeriod	664000	usd
CY2022	atkr	Unrecognized Tax Benefits Income Tax Penalties And Interest Period Increase Decrease UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestPeriodIncreaseDecrease	-183000	usd
CY2021	atkr	Unrecognized Tax Benefits Increase Resulting From Current Period And Current Period Tax Positions UnrecognizedTaxBenefitsIncreaseResultingFromCurrentPeriodAndCurrentPeriodTaxPositions	1949000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	230000	usd
CY2021	atkr	Unrecognized Tax Benefits Income Tax Penalties And Interest Period Increase Decrease UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestPeriodIncreaseDecrease	72000	usd
CY2020	atkr	Unrecognized Tax Benefits Increase Resulting From Current Period And Current Period Tax Positions UnrecognizedTaxBenefitsIncreaseResultingFromCurrentPeriodAndCurrentPeriodTaxPositions	1047000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	227000	usd
CY2020	atkr	Unrecognized Tax Benefits Income Tax Penalties And Interest Period Increase Decrease UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestPeriodIncreaseDecrease	134000	usd
CY2022Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	100493000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	913434000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	587857000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	152302000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	14460000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	11380000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	3356000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	898974000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	898974000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	576477000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	576477000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	148946000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	148946000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43717000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46569000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47265000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	563000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	737000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	779000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44280000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47306000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48044000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	20.56
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.38
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.15
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	20.30
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.19
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.10
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	12838000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-990000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	13828000	usd
CY2022	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-21892000	usd
CY2022	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-472000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-21420000	usd
CY2022Q3	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.82
CY2021Q3	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.81
CY2022Q3	atkr	Inventory Raw Materialsand Purchased Parts Netof Valuation Reserves InventoryRawMaterialsandPurchasedPartsNetofValuationReserves	166038000	usd
CY2021Q3	atkr	Inventory Raw Materialsand Purchased Parts Netof Valuation Reserves InventoryRawMaterialsandPurchasedPartsNetofValuationReserves	105460000	usd
CY2022Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	61182000	usd
CY2021Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	35043000	usd
CY2022Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	227291000	usd
CY2021Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	145486000	usd
CY2022Q3	us-gaap	Inventory Net InventoryNet	454511000	usd
CY2021Q3	us-gaap	Inventory Net InventoryNet	285989000	usd
CY2022Q3	atkr	Fifo Inventory Higher Lower Than Reported FIFOInventoryHigherLowerThanReported	64550000	usd
CY2021Q3	atkr	Fifo Inventory Higher Lower Than Reported FIFOInventoryHigherLowerThanReported	108911000	usd
CY2022	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	248000	usd
CY2021	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	6592000	usd
CY2022Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	18996000	usd
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	11780000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	769093000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	613289000	usd
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	378873000	usd
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	337667000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	390220000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	275622000	usd
CY2022	us-gaap	Depreciation Depreciation	48239000	usd
CY2021	us-gaap	Depreciation Depreciation	44913000	usd
CY2020	us-gaap	Depreciation Depreciation	42208000	usd
CY2020Q3	us-gaap	Goodwill Goodwill	188239000	usd
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	9948000	usd
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	861000	usd
CY2021Q3	us-gaap	Goodwill Goodwill	199048000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	97395000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-7113000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	289330000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	568449000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	278542000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	289907000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	394681000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	246357000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	148324000	usd
CY2022Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	661248000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	278542000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	382706000	usd
CY2021Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	487561000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	246357000	usd
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	241204000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	36176000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	33644000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	32262000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	50650000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	47457000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	36938000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	32515000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	30537000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	91810000	usd
CY2022Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	10844000	usd
CY2021Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	12709000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	760537000	usd
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	758386000	usd
CY2022Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	0	usd
CY2022Q3	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	0	usd
CY2022Q3	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	0	usd
CY2022Q3	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	0	usd
CY2022Q3	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	0	usd
CY2022Q3	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	773000000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-273000	usd
CY2022Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	175282000	usd
CY2022Q3	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	4731000	usd
CY2022Q3	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	5600000	usd
CY2021	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	15500000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	135776000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64474000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33770000	usd
CY2022Q3	us-gaap	Assets Assets	2598996000	usd
CY2021Q3	us-gaap	Assets Assets	2210099000	usd
CY2020Q3	us-gaap	Assets Assets	1558525000	usd
CY2022	atkr	Selling Generaland Administrative Expense Unallocated SellingGeneralandAdministrativeExpenseUnallocated	70010000	usd
CY2021	atkr	Selling Generaland Administrative Expense Unallocated SellingGeneralandAdministrativeExpenseUnallocated	58148000	usd
CY2020	atkr	Selling Generaland Administrative Expense Unallocated SellingGeneralandAdministrativeExpenseUnallocated	33995000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	84415000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	78557000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	74470000	usd
CY2022	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-30676000	usd
CY2021	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-32899000	usd
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-40062000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-4202000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-273000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17245000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17047000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13064000	usd
CY2022	atkr	Transaction Costs TransactionCosts	3424000	usd
CY2021	atkr	Transaction Costs TransactionCosts	667000	usd
CY2020	atkr	Transaction Costs TransactionCosts	196000	usd
CY2022	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-2410000	usd
CY2021	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	15826000	usd
CY2020	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	3428000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1203620000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	780001000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	201998000	usd
CY2022Q3	us-gaap	Noncurrent Assets NoncurrentAssets	461255000	usd
CY2021Q3	us-gaap	Noncurrent Assets NoncurrentAssets	316735000	usd
CY2020Q3	us-gaap	Noncurrent Assets NoncurrentAssets	246882000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3913949000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2928014000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1765421000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3913949000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2928014000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1765421000	usd
CY2022Q3	atkr	Employees Covered By Collective Bargaining Arrangement Percentage EmployeesCoveredByCollectiveBargainingArrangementPercentage	0.18
CY2020Q3	atkr	Employees Covered By Collective Bargaining Arrangement Number EmployeesCoveredByCollectiveBargainingArrangementNumber	350	employee
CY2022	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2014Q2	atkr	Paymentsfor Repurchaseof Common Stock Excluding Related Expense PaymentsforRepurchaseofCommonStockExcludingRelatedExpense	250000000	usd

Files In Submission

Name	View Source	Status
0001666138-22-000128-index-headers.html	Edgar Link	pending
0001666138-22-000128-index.html	Edgar Link	pending
0001666138-22-000128.txt	Edgar Link	pending
0001666138-22-000128-xbrl.zip	Edgar Link	pending
a4q22exhibit10121.htm	Edgar Link	pending
a4q22exhibit211.htm	Edgar Link	pending
atkr-20220930_cal.xml	Edgar Link	unprocessable
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Show.js	Edgar Link	pending

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$ATKR
Atkore Inc. Stock $atkr

2022 Q4 Form 10-K Financial Statement

#000166613822000128 Filed on November 18, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATKR Atkore Inc. Stock $atkr

2022 Q4 Form 10-K Financial Statement

#000166613822000128 Filed on November 18, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATKR
Atkore Inc. Stock $atkr