$ATCOL
Atlas Corp. Stock $atcol

$atcol Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 20-F Financial Statement

#000162828023008175 Filed on March 16, 2023

Income Statement

Concept	2022 Q4	2022	2021 Q4
Revenue	$436.4M	$1.697B	$428.2M
YoY Change	1.91%	3.09%	18.06%
Cost Of Revenue	$96.10M	$353.4M	$94.40M
YoY Change	1.8%	4.06%	35.24%
Gross Profit	$340.3M	$1.344B	$333.8M
YoY Change	1.95%	2.83%	13.96%
Gross Profit Margin	77.98%	79.18%	77.95%
Selling, General & Admin	$54.30M	$231.1M	$71.90M
YoY Change	-24.48%	-2.45%	41.26%
% of Gross Profit	15.96%	17.19%	21.54%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$96.20M	$379.1M	$82.00M
YoY Change	17.32%	3.38%	-8.17%
% of Gross Profit	28.27%	28.21%	24.57%
Operating Expenses	$150.5M	$610.2M	$153.9M
YoY Change	-2.21%	1.09%	9.77%
Operating Profit	$189.8M	$733.8M	$179.9M
YoY Change	5.5%	4.32%	17.81%
Interest Expense	-$76.30M	-$108.0M	-$38.10M
YoY Change	100.26%	-39.97%	-16.81%
% of Operating Profit	-40.2%	-14.72%	-21.18%
Other Income/Expense, Net	$6.000M	-$9.300M	-$4.600M
YoY Change	-230.43%	-57.34%	-58.18%
Pretax Income	$119.5M	$624.7M	$166.9M
YoY Change	-28.4%	44.11%	-858.64%
Income Tax	-$7.700M	$2.400M	$24.60M
% Of Pretax Income	-6.44%	0.38%	14.74%
Net Earnings	$112.0M	$561.5M	$142.3M
YoY Change	-21.29%	40.2%	-645.21%
Net Earnings / Revenue	25.66%	33.08%	33.23%
Basic Earnings Per Share		$2.10
Diluted Earnings Per Share	$0.38	$1.93	$534.9K
COMMON SHARES
Basic Shares Outstanding	281.6M shares	267.1M shares
Diluted Shares Outstanding		290.8M shares

Balance Sheet

Concept	2022 Q4	2022	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$301.0M	$301.0M	$305.4M
YoY Change	-1.44%	-1.44%	-3.05%
Cash & Equivalents	$280.0M	$280.0M	$288.6M
Short-Term Investments	$21.00M	$21.00M	$16.80M
Other Short-Term Assets	$143.6M	$143.6M	$139.7M
YoY Change	2.79%	2.79%	4.88%
Inventory	$50.00M	$50.00M	$46.40M
Prepaid Expenses
Receivables	$98.60M	$98.60M	$56.20M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$593.2M	$593.2M	$547.7M
YoY Change	8.31%	8.31%	-6.26%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.326B	$9.326B	$8.773B
YoY Change	6.31%	6.31%	12.24%
Goodwill	$75.30M		$75.30M
YoY Change	0.0%
Intangibles	$75.70M		$90.10M
YoY Change	-15.98%
Long-Term Investments	$887.4M	$887.4M	$741.5M
YoY Change	19.68%	19.68%	77.14%
Other Assets	$420.4M	$420.4M	$432.4M
YoY Change	-2.78%	22.82%	9.47%
Total Long-Term Assets	$10.71B	$10.71B	$10.02B
YoY Change	6.86%	6.86%	15.13%
TOTAL ASSETS
Total Short-Term Assets	$593.2M	$593.2M	$547.7M
Total Long-Term Assets	$10.71B	$10.71B	$10.02B
Total Assets	$11.30B	$11.30B	$10.57B
YoY Change	6.93%	6.93%	13.78%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$204.3M	$204.3M	$183.4M
YoY Change	11.4%	45.82%	36.76%
Accrued Expenses	$115.3M	$115.3M	$155.1M
YoY Change	-25.66%	-41.89%	-3.6%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$608.1M	$608.1M	$551.0M
YoY Change	10.36%	10.36%	39.07%
Total Short-Term Liabilities	$1.039B	$1.039B	$1.176B
YoY Change	-11.65%	-11.65%	37.55%
LONG-TERM LIABILITIES
Long-Term Debt	$5.394B	$5.394B	$3.732B
YoY Change	44.53%	44.53%	-7.53%
Other Long-Term Liabilities	$444.4M	$444.4M	$1.848B
YoY Change	-75.95%	-75.95%	138.98%
Total Long-Term Liabilities	$5.838B	$5.838B	$5.580B
YoY Change	4.63%	4.63%	16.03%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.039B	$1.039B	$1.176B
Total Long-Term Liabilities	$5.838B	$5.838B	$5.580B
Total Liabilities	$6.877B	$6.877B	$6.755B
YoY Change	1.8%	1.8%	19.27%
SHAREHOLDERS EQUITY
Retained Earnings	$420.0M		$7.500M
YoY Change	5500.0%
Common Stock	$2.800M		$2.400M
YoY Change	16.67%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.426B	$4.426B	$3.815B
YoY Change
Total Liabilities & Shareholders Equity	$11.30B	$11.30B	$10.57B
YoY Change	6.93%	6.93%	13.78%

Cashflow Statement

Concept	2022 Q4	2022	2021 Q4
OPERATING ACTIVITIES
Net Income	$112.0M	$561.5M	$142.3M
YoY Change	-21.29%	40.2%	-645.21%
Depreciation, Depletion And Amortization	$96.20M	$379.1M	$82.00M
YoY Change	17.32%	3.38%	-8.17%
Cash From Operating Activities	$227.0M	$856.3M	$298.4M
YoY Change	-23.93%	-9.29%	41.02%
INVESTING ACTIVITIES
Capital Expenditures	$433.9M	$1.240B	-$245.1M
YoY Change	-277.03%	-178.61%	39.42%
Acquisitions
YoY Change
Other Investing Activities	$68.90M	$217.1M	$8.700M
YoY Change	691.95%	-285.71%	-116.35%
Cash From Investing Activities	-$365.0M	-$1.023B	-$236.4M
YoY Change	54.4%	-39.63%	3.23%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00	$201.3M	$0.00
YoY Change		-160.93%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-179.5M	130.5M	-31.00M
YoY Change	479.03%	-82.23%	-130.69%
NET CHANGE
Cash From Operating Activities	227.0M	856.3M	298.4M
Cash From Investing Activities	-365.0M	-1.023B	-236.4M
Cash From Financing Activities	-179.5M	130.5M	-31.00M
Net Change In Cash	-317.5M	-35.80M	31.00M
YoY Change	-1124.19%	128.03%	-62.92%
FREE CASH FLOW
Cash From Operating Activities	$227.0M	$856.3M	$298.4M
Capital Expenditures	$433.9M	$1.240B	-$245.1M
Free Cash Flow	-$206.9M	-$383.4M	$543.5M
YoY Change	-138.07%	-115.21%	40.29%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001794846
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	281565472	shares
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 Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Document Accounting Standard DocumentAccountingStandard	U.S. GAAP
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Auditor Firm AuditorFirmId	85
CY2022	dei	Auditor Name AuditorName	KPMG LLP
CY2022	dei	Auditor Location AuditorLocation	Vancouver, Canada
CY2022	dei	Auditor Name AuditorName	KPMG LLP
CY2022	dei	Auditor Location AuditorLocation	Vancouver, Canada
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	280000000.0	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	288600000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	98600000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	56200000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	50000000.0	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	46400000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	44400000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	35700000	usd
CY2022Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	19400000	usd
CY2021Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	0	usd
CY2022Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	21000000.0	usd
CY2021Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	16800000	usd
CY2022Q4	atco	Acquisition Related Assets AcquisitionRelatedAssets	79800000	usd
CY2021Q4	atco	Acquisition Related Assets AcquisitionRelatedAssets	104000000.0	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	593200000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	547700000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	7156900000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	6952200000	usd
CY2022Q4	atco	Vessels Under Construction VesselsUnderConstruction	1422500000	usd
CY2021Q4	atco	Vessels Under Construction VesselsUnderConstruction	1095600000	usd
CY2022Q4	atco	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	746700000	usd
CY2021Q4	atco	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	724900000	usd
CY2022Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	887400000	usd
CY2021Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	741500000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	75300000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	75300000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	500000	usd
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1900000	usd
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CY2021Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	6100000	usd
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CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	222200000	usd
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	usd
CY2022Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	147500000	usd
CY2021Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	100500000	usd
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CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	17700000	usd
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CY2021Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.01
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CY2022Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	296900000	usd
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CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	20118833	shares
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CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue		usd
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CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	727351	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	2800000	usd
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CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1697400000	usd
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CY2022	us-gaap	Interest Income Other InterestIncomeOther	6500000	usd
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CY2022	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	300000	usd
CY2021	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2020	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2022	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	120600000	usd
CY2021	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	14100000	usd
CY2020	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	-35500000	usd
CY2022	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	9300000	usd
CY2021	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	21800000	usd
CY2020	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	27300000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-126700000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-328700000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-249400000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	624700000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	433500000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	209200000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000000.0	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16600000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	192600000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.10
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.96
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	192600000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-1000000.0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-1200000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-1300000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	623300000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	401700000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	193900000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	3232700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	192600000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1300000	usd
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	316800000	usd
CY2020	atco	Unissued Acquisition Related Equity Consideration Value UnissuedAcquisitionRelatedEquityConsiderationValue	80800000	usd
CY2020	atco	Cancellation Of Unissued Acquisition Related Equity Value CancellationOfUnissuedAcquisitionRelatedEquityValue	-1300000	usd
CY2020	atco	Issuance Of Common Shares From Unissued Acquisition Related Equity Consideration Value IssuanceOfCommonSharesFromUnissuedAcquisitionRelatedEquityConsiderationValue	0	usd
CY2020	atco	Return Of Common Shares To Unissued Acquisition Related Equity Consideration Value ReturnOfCommonSharesToUnissuedAcquisitionRelatedEquityConsiderationValue	0	usd
CY2020	atco	Cancellation Of Common Shares Issued On Acquisition Value CancellationOfCommonSharesIssuedOnAcquisitionValue	12500000	usd
CY2020	atco	Stock Issued During Period Value Loan Settlement StockIssuedDuringPeriodValueLoanSettlement	8300000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.50
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	120700000	usd
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	67100000	usd
CY2020	atco	Adjustments To Additional Paid In Capital Deficit Shares Issued Through Dividend Reinvestment Program AdjustmentsToAdditionalPaidInCapitalDeficitSharesIssuedThroughDividendReinvestmentProgram	0	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6400000	usd
CY2020	atco	Treasury Stock Value Acquired Reissued TreasuryStockValueAcquiredReissued	0	usd
CY2020	atco	Equity Component Of Issuance Of Exchangeable Notes Net Of Issuance Cost EquityComponentOfIssuanceOfExchangeableNotesNetOfIssuanceCost	6100000	usd
CY2020	atco	Premium Paid On Capped Call PremiumPaidOnCappedCall	-15500000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	3625600000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	3625600000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1200000	usd
CY2021	atco	Issuance Of Common Shares From Unissued Acquisition Related Equity Consideration Value IssuanceOfCommonSharesFromUnissuedAcquisitionRelatedEquityConsiderationValue	0	usd
CY2021	atco	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	12000000	shares
CY2021	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	296900000	usd
CY2021	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	330400000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	3000000.0	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.50
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	126300000	usd
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	66200000	usd
CY2021	atco	Adjustments To Additional Paid In Capital Deficit Shares Issued Through Dividend Reinvestment Program AdjustmentsToAdditionalPaidInCapitalDeficitSharesIssuedThroughDividendReinvestmentProgram	0	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	10200000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	3517600000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	3517600000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1000000.0	usd
CY2022	atco	Stock Issued During Period Warrants Exercised StockIssuedDuringPeriodWarrantsExercised	201300000	usd
CY2022	atco	Adjustment To Additional Paid In Capital Cancellation Of Holdback Shares AdjustmentToAdditionalPaidInCapitalCancellationOfHoldbackShares	32200000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.50
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	137600000	usd
CY2022	us-gaap	Dividends Preferred Stock DividendsPreferredStock	60800000	usd
CY2022	atco	Adjustments To Additional Paid In Capital Deficit Shares Issued Through Dividend Reinvestment Program AdjustmentsToAdditionalPaidInCapitalDeficitSharesIssuedThroughDividendReinvestmentProgram	-100000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	22500000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	4128900000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	192600000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	379100000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	366700000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	353900000	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	117900000	usd
CY2022	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	99600000	usd
CY2021	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	125800000	usd
CY2020	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	120100000	usd
CY2022	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	21200000	usd
CY2021	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	38200000	usd
CY2020	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	40500000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	127900000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	40600000	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-12900000	usd
CY2022	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	12400000	usd
CY2021	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	15000000.0	usd
CY2020	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	16900000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-9400000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-127000000.0	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	300000	usd
CY2021	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2020	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3700000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	16400000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-200000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	7000000.0	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	26200000	usd
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	5900000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	170200000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	98400000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	166700000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	856300000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	944000000.0	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	694200000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1239700000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1577000000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	783500000	usd
CY2022	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	0	usd
CY2021	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	132300000	usd
CY2020	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	82200000	usd
CY2022	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	12700000	usd
CY2021	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	26800000	usd
CY2020	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	21800000	usd
CY2022	atco	Cash And Restricted Cash Acquired From Acquisition CashAndRestrictedCashAcquiredFromAcquisition	0	usd
CY2021	atco	Cash And Restricted Cash Acquired From Acquisition CashAndRestrictedCashAcquiredFromAcquisition	0	usd
CY2020	atco	Cash And Restricted Cash Acquired From Acquisition CashAndRestrictedCashAcquiredFromAcquisition	50600000	usd
CY2022	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	-4000000.0	usd
CY2021	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	13900000	usd
CY2020	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	18700000	usd
CY2022	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	12500000	usd
CY2021	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	30500000	usd
CY2020	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	11100000	usd
CY2022	atco	Payments For Proceeds From Other Productive Assets PaymentsForProceedsFromOtherProductiveAssets	-259500000	usd
CY2021	atco	Payments For Proceeds From Other Productive Assets PaymentsForProceedsFromOtherProductiveAssets	-41300000	usd
CY2020	atco	Payments For Proceeds From Other Productive Assets PaymentsForProceedsFromOtherProductiveAssets	15400000	usd
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	46200000	usd
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	15700000	usd
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1022600000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1693900000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-859900000	usd
CY2022	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1221300000	usd
CY2021	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1474900000	usd
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1122200000	usd
CY2022	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1367400000	usd
CY2021	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	3152600000	usd
CY2020	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1383500000	usd
CY2022	atco	Proceeds From Issuance Of Exchangeable Notes ProceedsFromIssuanceOfExchangeableNotes	0	usd
CY2021	atco	Proceeds From Issuance Of Exchangeable Notes ProceedsFromIssuanceOfExchangeableNotes	0	usd
CY2020	atco	Proceeds From Issuance Of Exchangeable Notes ProceedsFromIssuanceOfExchangeableNotes	201300000	usd
CY2022	atco	Payment Of Purchase Of Capped Cell PaymentOfPurchaseOfCappedCell	0	usd
CY2021	atco	Payment Of Purchase Of Capped Cell PaymentOfPurchaseOfCappedCell	0	usd
CY2020	atco	Payment Of Purchase Of Capped Cell PaymentOfPurchaseOfCappedCell	15500000	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	300000000.0	usd
CY2020	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	100000000.0	usd
CY2022	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	201300000	usd
CY2021	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	usd
CY2020	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	usd
CY2022	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	330400000	usd
CY2020	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16600000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	20200000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	122200000	usd
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	49100000	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	100000	usd
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	119300000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	124600000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	120000000.0	usd
CY2022	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	60800000	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	66200000	usd
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	67100000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	130500000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	734200000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	310900000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-35800000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15700000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	145200000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	326800000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	342500000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	197300000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	291000000.0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	326800000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	342500000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-120600000	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-14100000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-9400000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-127000000.0	usd
CY2022	us-gaap	Other Expenses OtherExpenses	7100000	usd
CY2021	us-gaap	Other Expenses OtherExpenses	6500000	usd
CY2021	us-gaap	Interest Income Other InterestIncomeOther	3100000	usd
CY2022	us-gaap	Interest Expense InterestExpense	235400000	usd
CY2021	us-gaap	Interest Expense InterestExpense	197100000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	Use of estimates:<div style="margin-top:6pt;padding-left:54pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements requires management to make estimates and assumptions that affect the:</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">reported amounts of assets and liabilities,</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">disclosure of contingent assets and liabilities at the balance sheet dates; and</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">reported amounts of revenue and expenses during the reporting fiscal periods. </span></div><div style="margin-top:6pt;padding-left:54pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Areas where accounting judgments and estimates are significant to the Company and where actual results could differ from those estimates, include, but are not limited to the:</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">assessment of going concern;</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">assessment of property, plant and equipment useful lives;</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">expected salvage values;</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">recoverability of the carrying value of property, plant and equipment and intangible assets with finite lives which are subject to future market events; </span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">recoverable value of goodwill; </span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">fair values of assets acquired and liabilities assumed from business combination;</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">fair value of asset retirement obligations; and</span></div><div style="margin-top:6pt;padding-left:81pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">fair value of interest rate swaps, other derivative financial instruments and contingent consideration asset.</span></div>
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Comparative information:Certain information has been reclassified to conform to the financial statement presentation adopted for the current year.
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1697400000	usd
CY2022	atco	Operating Costs And Expenses Excluding Depreciation And Amortization OperatingCostsAndExpensesExcludingDepreciationAndAmortization	353400000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	379100000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	108100000	usd
CY2022	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	21300000	usd
CY2022	us-gaap	Lease Cost LeaseCost	123000000.0	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3700000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	6500000	usd
CY2022	us-gaap	Interest Expense InterestExpense	235400000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1646600000	usd
CY2021	atco	Operating Costs And Expenses Excluding Depreciation And Amortization OperatingCostsAndExpensesExcludingDepreciationAndAmortization	351000000.0	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	366700000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	79200000	usd
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	42400000	usd
CY2021	us-gaap	Lease Cost LeaseCost	146300000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	16400000	usd
CY2021	us-gaap	Interest Income Other InterestIncomeOther	3100000	usd
CY2021	us-gaap	Interest Expense InterestExpense	197100000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000000.0	usd
CY2022	atco	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1134000000	usd
CY2021	atco	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1114800000	usd
CY2022	atco	Eliminations And Oher EliminationsAndOher	-1400000	usd
CY2021	atco	Eliminations And Oher EliminationsAndOher	-1400000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	379100000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	366700000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	6500000	usd
CY2022	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	900000	usd
CY2021	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	-5100000	usd
CY2022	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	4000000.0	usd
CY2021	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	13900000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3700000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	16400000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	624700000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	433500000	usd
CY2022Q4	us-gaap	Assets Assets	11302400000	usd
CY2021Q4	us-gaap	Assets Assets	10569600000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1697400000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1646600000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	1609600000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Next Twelve Months DirectFinancingLeasesInterestIncomeToBeReceivedNextTwelveMonths	75500000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other In Next Twelve Months FutureMinimumRevenueReceivableOtherInNextTwelveMonths	21100000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Next Twelve Months FutureMinimumRevenueReceivableInNextTwelveMonths	1706200000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	1545100000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Two Years DirectFinancingLeasesInterestIncomeToBeReceivedTwoYears	72400000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other In Two Years FutureMinimumRevenueReceivableOtherInTwoYears	20400000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Two Years FutureMinimumRevenueReceivableInTwoYears	1637900000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	1275700000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Three Years DirectFinancingLeasesInterestIncomeToBeReceivedThreeYears	69100000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other In Three Years FutureMinimumRevenueReceivableOtherInThreeYears	20400000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Three Years FutureMinimumRevenueReceivableInThreeYears	1365200000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	950400000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Four Years DirectFinancingLeasesInterestIncomeToBeReceivedFourYears	66700000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other In Four Years FutureMinimumRevenueReceivableOtherInFourYears	0	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Four Years FutureMinimumRevenueReceivableInFourYears	1017100000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	516900000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Five Years DirectFinancingLeasesInterestIncomeToBeReceivedFiveYears	64200000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other In Five Years FutureMinimumRevenueReceivableOtherInFiveYears	0	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Five Years FutureMinimumRevenueReceivableInFiveYears	581100000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	663300000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received Thereafter DirectFinancingLeasesInterestIncomeToBeReceivedThereafter	458700000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other Thereafter FutureMinimumRevenueReceivableOtherThereafter	0	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Thereafter FutureMinimumRevenueReceivableThereafter	1122000000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	6561000000	usd
CY2022Q4	atco	Direct Financing Leases Interest Income To Be Received DirectFinancingLeasesInterestIncomeToBeReceived	806600000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Other FutureMinimumRevenueReceivableOther	61900000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable FutureMinimumRevenueReceivable	7429500000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Next Twelve Months FutureMinimumRevenueReceivableInNextTwelveMonths	1706200000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Two Years FutureMinimumRevenueReceivableInTwoYears	1637900000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Three Years FutureMinimumRevenueReceivableInThreeYears	1365200000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Four Years FutureMinimumRevenueReceivableInFourYears	1017100000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable In Five Years FutureMinimumRevenueReceivableInFiveYears	581100000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable Thereafter FutureMinimumRevenueReceivableThereafter	1122000000	usd
CY2022Q4	atco	Future Minimum Revenue Receivable FutureMinimumRevenueReceivable	7429500000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1697400000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1646600000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1421100000	usd
CY2022	atco	Number Of Warrant Tranches NumberOfWarrantTranches	2	tranche
CY2021	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	19204000	usd
CY2020	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	32114000	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	14188000	usd
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	19963000	usd
CY2021	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	19204000	usd
CY2020	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	32114000	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	14188000	usd
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	19963000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	1724400000	usd
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	1448200000	usd
CY2022Q4	atco	Sales Type And Direct Financing Leases Lease Receivable Unearned Interest Income SalesTypeAndDirectFinancingLeasesLeaseReceivableUnearnedInterestIncome	816000000.0	usd
CY2021Q4	atco	Sales Type And Direct Financing Leases Lease Receivable Unearned Interest Income SalesTypeAndDirectFinancingLeasesLeaseReceivableUnearnedInterestIncome	689900000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	908400000	usd
CY2021Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	758300000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	908400000	usd
CY2021Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	751400000	usd
CY2022Q4	atco	Sales Type And Direct Financing Leases Unguaranteed Residual Asset SalesTypeAndDirectFinancingLeasesUnguaranteedResidualAsset	0	usd
CY2021Q4	atco	Sales Type And Direct Financing Leases Unguaranteed Residual Asset SalesTypeAndDirectFinancingLeasesUnguaranteedResidualAsset	6900000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	908400000	usd
CY2021Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	758300000	usd
CY2022Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	21000000.0	usd
CY2021Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	16800000	usd
CY2022Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	887400000	usd
CY2021Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	741500000	usd
CY2021Q1	atco	Duration Of Lease Agreement DurationOfLeaseAgreement	P18Y
CY2021Q1	atco	Capacity Of Vessels In Twenty Foot Equivalent Units CapacityOfVesselsInTwentyFootEquivalentUnits	12000	teu
CY2021Q3	atco	Number Of Vessels On Bareboat Charter NumberOfVesselsOnBareboatCharter	1	vessel
CY2021Q4	atco	Number Of Vessels On Bareboat Charter NumberOfVesselsOnBareboatCharter	2	vessel
CY2021Q4	atco	Duration Of Lease Agreement DurationOfLeaseAgreement	P18Y
CY2021Q3	atco	Duration Of Lease Agreement DurationOfLeaseAgreement	P18Y
CY2021Q4	atco	Capacity Of Vessels In Twenty Foot Equivalent Units CapacityOfVesselsInTwentyFootEquivalentUnits	12200	teu
CY2021Q3	atco	Capacity Of Vessels In Twenty Foot Equivalent Units CapacityOfVesselsInTwentyFootEquivalentUnits	12200	teu
CY2022Q2	atco	Number Of Vessels On Bareboat Charter NumberOfVesselsOnBareboatCharter	2	vessel
CY2022Q2	atco	Number Of Vessels On Bareboat Charter NumberOfVesselsOnBareboatCharter	2	vessel
CY2022Q2	atco	Capacity Of Vessels In Twenty Foot Equivalent Units CapacityOfVesselsInTwentyFootEquivalentUnits	12200000000	teu
CY2022Q2	atco	Capacity Of Vessels In Twenty Foot Equivalent Units CapacityOfVesselsInTwentyFootEquivalentUnits	12200000000	teu
CY2021Q4	atco	Duration Of Lease Agreement DurationOfLeaseAgreement	P18Y
CY2021Q3	atco	Duration Of Lease Agreement DurationOfLeaseAgreement	P18Y
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	96900000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	97100000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	96900000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	96900000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	96900000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	1239700000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	1724400000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10153600000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2996700000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7156900000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	9968200000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3016000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6952200000	usd
CY2022	us-gaap	Depreciation Depreciation	334121000	usd
CY2021	us-gaap	Depreciation Depreciation	345164000	usd
CY2020	us-gaap	Depreciation Depreciation	324597000	usd
CY2022Q4	atco	Operating Lease And Financing Lease Right Of Use Asset OperatingLeaseAndFinancingLeaseRightOfUseAsset	1097700000	usd
CY2022Q4	atco	Operating And Finance Lease Right Of Use Asset Accumulated Amortization OperatingAndFinanceLeaseRightOfUseAssetAccumulatedAmortization	351000000.0	usd
CY2022Q4	atco	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	746700000	usd
CY2021Q4	atco	Operating Lease And Financing Lease Right Of Use Asset OperatingLeaseAndFinancingLeaseRightOfUseAsset	1082400000	usd
CY2021Q4	atco	Operating And Finance Lease Right Of Use Asset Accumulated Amortization OperatingAndFinanceLeaseRightOfUseAssetAccumulatedAmortization	357500000	usd
CY2021Q4	atco	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	724900000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	107504000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	125800000	usd
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	120140000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	75700000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	90100000	usd
CY2022Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	86900000	usd
CY2021Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	79400000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	11000000.0	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	38200000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	39500000	usd
CY2021Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	49200000	usd
CY2022Q4	atco	Business Combination Indemnification Asset Claim Noncurrent BusinessCombinationIndemnificationAssetClaimNoncurrent	0	usd
CY2021Q4	atco	Business Combination Indemnification Asset Claim Noncurrent BusinessCombinationIndemnificationAssetClaimNoncurrent	42500000	usd
CY2022Q4	us-gaap	Deferred Costs DeferredCosts	57300000	usd
CY2021Q4	us-gaap	Deferred Costs DeferredCosts	77000000.0	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	42400000	usd
CY2021Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	48000000.0	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	312800000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	424400000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	182500000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	106800000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	75700000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	173800000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	83700000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	90100000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	23200000000000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	20910000000000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	21396000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	18100000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13800000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	9300000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4300000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2700000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	27500000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	75700000	usd
CY2020Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	63800000	usd
CY2020	atco	Increase Decrease In Drydocking Costs IncreaseDecreaseInDrydockingCosts	-40000000.0	usd
CY2020	atco	Amortization Of Drydocking AmortizationOfDrydocking	24400000	usd
CY2021Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	79400000	usd
CY2021	atco	Increase Decrease In Drydocking Costs IncreaseDecreaseInDrydockingCosts	-42400000	usd
CY2021	atco	Drydocking Vessel Sales DrydockingVesselSales	11300000	usd
CY2021	atco	Amortization Of Drydocking AmortizationOfDrydocking	23600000	usd
CY2022Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	86900000	usd
CY2020Q4	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	90900000	usd
CY2021	atco	Business Combination Contingent Consideration Change In Fair Value BusinessCombinationContingentConsiderationChangeInFairValue	-5100000	usd
CY2021	atco	Business Combination Contingent Consideration Compensation Received BusinessCombinationContingentConsiderationCompensationReceived	30500000	usd
CY2021Q4	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	55300000	usd
CY2022	atco	Business Combination Contingent Consideration Change In Fair Value BusinessCombinationContingentConsiderationChangeInFairValue	900000	usd
CY2022	atco	Business Combination Contingent Consideration Compensation Received BusinessCombinationContingentConsiderationCompensationReceived	12500000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	43700000	usd
CY2022	atco	Business Combination Contingent Consideration Current Portion Included In Prepaid Expenses And Other BusinessCombinationContingentConsiderationCurrentPortionIncludedInPrepaidExpensesAndOther	4200000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	39500000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3736700000	usd
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	4345500000	usd
CY2022Q4	atco	Deferred Financing Fees Included In Long Term Debt DeferredFinancingFeesIncludedInLongTermDebt	44900000	usd
CY2021Q4	atco	Deferred Financing Fees Included In Long Term Debt DeferredFinancingFeesIncludedInLongTermDebt	57600000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	3691800000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	4282800000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	238400000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	551000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3453400000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3731800000	usd
CY2022Q4	atco	Number Of Vessels Secured By First Priority Mortgages NumberOfVesselsSecuredByFirstPriorityMortgages	53	vessel
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	581600000	usd
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	791200000	usd
CY2022Q4	atco	Lessee Operating Lease Liability Impact Of Discounting LesseeOperatingLeaseLiabilityImpactOfDiscounting	66300000	usd
CY2021Q4	atco	Lessee Operating Lease Liability Impact Of Discounting LesseeOperatingLeaseLiabilityImpactOfDiscounting	104600000	usd
CY2022Q4	atco	Lessee Operating Lease Liability Impact Of Changes In Variable Rates LesseeOperatingLeaseLiabilityImpactOfChangesInVariableRates	8300000	usd
CY2021Q4	atco	Lessee Operating Lease Liability Impact Of Changes In Variable Rates LesseeOperatingLeaseLiabilityImpactOfChangesInVariableRates	-30800000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	507000000.0	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	717400000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	115300000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	155100000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	391700000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	562300000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	128500000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	160200000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	4800000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	13700000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	116500000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	143200000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.048
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.048
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2021Q3	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2021Q3	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	5753000	usd
CY2021Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	5753000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	222200000	usd
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	222200000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.059
CY2022Q4	atco	Other Financing Arrangements Liability To Be Paid OtherFinancingArrangementsLiabilityToBePaid	2119700000	usd
CY2021Q4	atco	Other Financing Arrangements Liability To Be Paid OtherFinancingArrangementsLiabilityToBePaid	1363100000	usd
CY2022Q4	atco	Other Financing Agreement Liability Undiscounted Excess Amount OtherFinancingAgreementLiabilityUndiscountedExcessAmount	31900000	usd
CY2021Q4	atco	Other Financing Agreement Liability Undiscounted Excess Amount OtherFinancingAgreementLiabilityUndiscountedExcessAmount	23300000	usd
CY2022Q4	atco	Other Financing Arrangements Liability OtherFinancingArrangementsLiability	2087800000	usd
CY2021Q4	atco	Other Financing Arrangements Liability OtherFinancingArrangementsLiability	1339800000	usd
CY2022Q4	atco	Other Financing Arrangements Current OtherFinancingArrangementsCurrent	147500000	usd
CY2021Q4	atco	Other Financing Arrangements Current OtherFinancingArrangementsCurrent	100500000	usd
CY2022Q4	atco	Other Financing Arrangements Noncurrent OtherFinancingArrangementsNoncurrent	1940300000	usd
CY2021Q4	atco	Other Financing Arrangements Noncurrent OtherFinancingArrangementsNoncurrent	1239300000	usd
CY2022Q4	atco	Long Term Obligations Under Finance Lease Weighted Average Interest Rate LongTermObligationsUnderFinanceLeaseWeightedAverageInterestRate	0.0662
CY2021Q4	atco	Long Term Obligations Under Finance Lease Weighted Average Interest Rate LongTermObligationsUnderFinanceLeaseWeightedAverageInterestRate	0.0308
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	15900000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	37400000	usd
CY2022Q4	atco	Other Long Term Liabilities OtherLongTermLiabilities	48600000	usd
CY2021Q4	atco	Other Long Term Liabilities OtherLongTermLiabilities	22300000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	64500000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	59700000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	13300000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	42000000.0	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	51200000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	17700000	usd
CY2022	atco	Income Tax Reconciliation Withholding Tax IncomeTaxReconciliationWithholdingTax	-1100000	usd
CY2021	atco	Income Tax Reconciliation Withholding Tax IncomeTaxReconciliationWithholdingTax	6800000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-26900000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-6000000.0	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000000.0	usd
CY2022	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2500000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2500000	usd
CY2022	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-100000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-100000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	0	usd
CY2022	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2400000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
CY2021	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	13000000.0	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13000000.0	usd
CY2021	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	20000000.0	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	20000000.0	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	0	usd
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	33000000.0	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000000.0	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0038
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0761
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.1900
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	118700000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	82400000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	-109500000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	-73200000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	23200000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	73500000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1900000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	3500000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	2500000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-32000000.0	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-2600000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-22000000.0	usd
CY2022Q4	atco	Deferred Tax Assets Decommission Provisions DeferredTaxAssetsDecommissionProvisions	500000	usd
CY2021Q4	atco	Deferred Tax Assets Decommission Provisions DeferredTaxAssetsDecommissionProvisions	15300000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	10100000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	40500000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	86000000.0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	122100000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	82300000	usd
CY2022Q4	atco	Deferred Tax Assets Interest Allowance DeferredTaxAssetsInterestAllowance	36100000	usd
CY2021Q4	atco	Deferred Tax Assets Interest Allowance DeferredTaxAssetsInterestAllowance	29000000.0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	700000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	400000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	184400000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	213500000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	15500000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	9600000	usd
CY2022Q4	atco	Deferred Tax Liabilities Deferred Job Costs DeferredTaxLiabilitiesDeferredJobCosts	700000	usd
CY2021Q4	atco	Deferred Tax Liabilities Deferred Job Costs DeferredTaxLiabilitiesDeferredJobCosts	0	usd
CY2022Q4	atco	Deferred Tax Liabilities Accelerated Asset Costs DeferredTaxLiabilitiesAcceleratedAssetCosts	1400000	usd
CY2021Q4	atco	Deferred Tax Liabilities Accelerated Asset Costs DeferredTaxLiabilitiesAcceleratedAssetCosts	2000000.0	usd
CY2022Q4	atco	Deferred Tax Liabilities Inflation Adjustment DeferredTaxLiabilitiesInflationAdjustment	0	usd
CY2021Q4	atco	Deferred Tax Liabilities Inflation Adjustment DeferredTaxLiabilitiesInflationAdjustment	6400000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	15200000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1400000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	17300000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	9800000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1800000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	200000	usd
CY2022Q4	atco	Tax Credit Carryforward Amount For Which No Deferred Tax Asset Has Not Been Recognized TaxCreditCarryforwardAmountForWhichNoDeferredTaxAssetHasNotBeenRecognized	492266000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	72252000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	96900000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	96400000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	92900000	usd
CY2022	atco	Unrecognized Tax Benefits Increases Decreases Resulting From Tax Provisions Expired UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromTaxProvisionsExpired	-16100000	usd
CY2021	atco	Unrecognized Tax Benefits Increases Decreases Resulting From Tax Provisions Expired UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromTaxProvisionsExpired	3500000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	80300000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	96400000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022	atco	Discount Percentage For Shares Reinvested Under Dividend Reinvestment Program DiscountPercentageForSharesReinvestedUnderDividendReinvestmentProgram	0.03
CY2022Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	561500000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	267148000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.10
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2722000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	3396000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	2009000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	15475000	shares
CY2022	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	7600000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	569100000	usd
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	290750000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.96
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	335400000	usd
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	246300000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2433000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	10647000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	5572000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	902000	shares
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	335400000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	265854000	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
CY2020	us-gaap	Net Income Loss NetIncomeLoss	192600000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	125500000	usd
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	241502000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	541000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	3096000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	5375000	shares
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	125500000	usd
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	250514000	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	5000000	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	5172244	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1149008	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23492000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11203000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7068000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	81733000	usd
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	22392000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P33M
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	60500000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	43300000	usd
CY2022Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	143800000	usd
CY2021Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	140100000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	204300000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	183400000	usd
CY2022	us-gaap	Interest Paid InterestPaid	232000000.0	usd
CY2021	us-gaap	Interest Paid InterestPaid	149500000	usd
CY2020	us-gaap	Interest Paid InterestPaid	156200000	usd
CY2022	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	6100000	usd
CY2021	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	3100000	usd
CY2020	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	5000000.0	usd
CY2022	us-gaap	Debt Instrument Unused Borrowing Capacity Fee DebtInstrumentUnusedBorrowingCapacityFee	21400000	usd
CY2021	us-gaap	Debt Instrument Unused Borrowing Capacity Fee DebtInstrumentUnusedBorrowingCapacityFee	1900000	usd
CY2020	us-gaap	Debt Instrument Unused Borrowing Capacity Fee DebtInstrumentUnusedBorrowingCapacityFee	800000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-14500000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25700000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16800000	usd
CY2022	atco	Repayment Of Loan By Issuance Of Shares RepaymentOfLoanByIssuanceOfShares	0	usd
CY2021	atco	Repayment Of Loan By Issuance Of Shares RepaymentOfLoanByIssuanceOfShares	0	usd
CY2020	atco	Repayment Of Loan By Issuance Of Shares RepaymentOfLoanByIssuanceOfShares	8300000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	usd
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	5300000	usd
CY2022	atco	Provision For Asset Retirement Obligations ProvisionForAssetRetirementObligations	0	usd
CY2021	atco	Provision For Asset Retirement Obligations ProvisionForAssetRetirementObligations	0	usd
CY2020	atco	Provision For Asset Retirement Obligations ProvisionForAssetRetirementObligations	2900000	usd
CY2022	atco	Cancellation Of Common Shares Value CancellationOfCommonSharesValue	0	usd
CY2021	atco	Cancellation Of Common Shares Value CancellationOfCommonSharesValue	0	usd
CY2020	atco	Cancellation Of Common Shares Value CancellationOfCommonSharesValue	12500000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	127200000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9600000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1200000	usd
CY2022	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	0	usd
CY2021	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	343900000	usd
CY2020	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	57000000.0	usd
CY2022	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	usd
CY2021	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	usd
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	316800000	usd
CY2022	atco	Contingent Consideration Asset Related To Apr Energy Acquisition ContingentConsiderationAssetRelatedToAPREnergyAcquisition	0	usd
CY2021	atco	Contingent Consideration Asset Related To Apr Energy Acquisition ContingentConsiderationAssetRelatedToAPREnergyAcquisition	0	usd
CY2020	atco	Contingent Consideration Asset Related To Apr Energy Acquisition ContingentConsiderationAssetRelatedToAPREnergyAcquisition	95200000	usd
CY2022	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	0	usd
CY2021	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	0	usd
CY2020	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	300000	usd
CY2022	atco	Shares Reserved On Acquisition SharesReservedOnAcquisition	0	usd
CY2021	atco	Shares Reserved On Acquisition SharesReservedOnAcquisition	0	usd
CY2020	atco	Shares Reserved On Acquisition SharesReservedOnAcquisition	70600000	usd
CY2022	atco	Interest Capitalized On Vessels Under Construction InterestCapitalizedOnVesselsUnderConstruction	2800000	usd
CY2021	atco	Interest Capitalized On Vessels Under Construction InterestCapitalizedOnVesselsUnderConstruction	4000000.0	usd
CY2020	atco	Interest Capitalized On Vessels Under Construction InterestCapitalizedOnVesselsUnderConstruction	0	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	287700000	usd
CY2022	atco	Purchase Price Adjustment PurchasePriceAdjustment	0	usd
CY2021	atco	Purchase Price Adjustment PurchasePriceAdjustment	0	usd
CY2020	atco	Purchase Price Adjustment PurchasePriceAdjustment	4500000	usd
CY2022	atco	Prepayments Transferred To Vessels Upon Vessel Delivery PrepaymentsTransferredToVesselsUponVesselDelivery	0	usd
CY2021	atco	Prepayments Transferred To Vessels Upon Vessel Delivery PrepaymentsTransferredToVesselsUponVesselDelivery	12700000	usd
CY2020	atco	Prepayments Transferred To Vessels Upon Vessel Delivery PrepaymentsTransferredToVesselsUponVesselDelivery	46800000	usd
CY2022	atco	Reclassification On Lease Modification ReclassificationOnLeaseModification	0	usd
CY2021	atco	Reclassification On Lease Modification ReclassificationOnLeaseModification	0	usd
CY2020	atco	Reclassification On Lease Modification ReclassificationOnLeaseModification	377400000	usd
CY2022	atco	Non Cash Financing And Investing Transactions NonCashFinancingAndInvestingTransactions	130000000.0	usd
CY2021	atco	Non Cash Financing And Investing Transactions NonCashFinancingAndInvestingTransactions	370200000	usd
CY2020	atco	Non Cash Financing And Investing Transactions NonCashFinancingAndInvestingTransactions	1286500000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-61600000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	35200000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-17100000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3600000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	200000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5900000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	29100000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-54100000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-10300000	usd
CY2022	atco	Increase Decrease In Net Investment In Lease IncreaseDecreaseInNetInvestmentInLease	20500000	usd
CY2021	atco	Increase Decrease In Net Investment In Lease IncreaseDecreaseInNetInvestmentInLease	14900000	usd
CY2020	atco	Increase Decrease In Net Investment In Lease IncreaseDecreaseInNetInvestmentInLease	13300000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	17700000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	16600000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-16400000	usd
CY2022	atco	Settlement Of Decommissioning Provisions SettlementOfDecommissioningProvisions	36900000	usd
CY2021	atco	Settlement Of Decommissioning Provisions SettlementOfDecommissioningProvisions	6000000.0	usd
CY2020	atco	Settlement Of Decommissioning Provisions SettlementOfDecommissioningProvisions	5900000	usd
CY2022	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	13700000	usd
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	18100000	usd
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	8400000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-14500000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-13500000	usd
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3900000	usd
CY2022	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-47500000	usd
CY2021	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-38700000	usd
CY2020	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-54600000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	18900000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-8600000	usd
CY2022	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-89800000	usd
CY2021	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-122600000	usd
CY2020	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-114700000	usd
CY2022	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	-7900000	usd
CY2021	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	0	usd
CY2020	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	0	usd
CY2022	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	7400000	usd
CY2021	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	26500000	usd
CY2020	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	22500000	usd
CY2022	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	3200000	usd
CY2021	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	6100000	usd
CY2020	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	18700000	usd
CY2022	atco	Changes In Operating Assets And Liabilities ChangesInOperatingAssetsAndLiabilities	-170200000	usd
CY2021	atco	Changes In Operating Assets And Liabilities ChangesInOperatingAssetsAndLiabilities	-98400000	usd
CY2020	atco	Changes In Operating Assets And Liabilities ChangesInOperatingAssetsAndLiabilities	-166700000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	280000000.0	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	288600000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	304300000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	11000000.0	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	38200000	usd
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	38200000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	291000000.0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	326800000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	342500000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	117600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	115900000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	118900000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	117200000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	80400000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	31600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	581600000	usd
CY2022Q4	atco	Number Of Containerships To Be Build Under Purchase Order NumberOfContainershipsToBeBuildUnderPurchaseOrder	58	containership
CY2021Q4	atco	Number Of Containerships To Be Build Under Purchase Order NumberOfContainershipsToBeBuildUnderPurchaseOrder	67	containership
CY2022Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	2438100000	usd
CY2022Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	2713700000	usd
CY2022Q4	us-gaap	Purchase Obligation PurchaseObligation	5151800000	usd
CY2022Q4	atco	Swap Amounts Expected To Be Settled In Cash Next12 Months If Interest Rate Remain Same SwapAmountsExpectedToBeSettledInCashNext12MonthsIfInterestRateRemainSame	891000	usd
CY2022Q4	atco	Swap Amounts Expected To Be Receive In Cash Next12 Months If Interest Rate Remain Same SwapAmountsExpectedToBeReceiveInCashNext12MonthsIfInterestRateRemainSame	32721000	usd
CY2022Q4	atco	Contingent Consideration Asset ContingentConsiderationAsset	43700000	usd
CY2021Q4	atco	Contingent Consideration Asset ContingentConsiderationAsset	55300000	usd
CY2021Q4	atco	Derivative Asset Liability Subject To Master Netting Arrangement DerivativeAssetLiabilitySubjectToMasterNettingArrangement	0	usd
CY2022Q4	atco	Derivative Asset Liability Subject To Master Netting Arrangement DerivativeAssetLiabilitySubjectToMasterNettingArrangement	0	usd
CY2022	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	900000	usd
CY2021	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	-5100000	usd
CY2020	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	6800000	usd
CY2022	atco	Accumulated Other Comprehensive Loss Expected To Be Reclassified To Net Earnings AccumulatedOtherComprehensiveLossExpectedToBeReclassifiedToNetEarnings	1019000	usd

Files In Submission

Name	View Source	Status
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0001628280-23-008175-index.html	Edgar Link	pending
0001628280-23-008175.txt	Edgar Link	pending
0001628280-23-008175-xbrl.zip	Edgar Link	pending
atco-20221231.htm	Edgar Link	pending
atco-20221231.xsd	Edgar Link	pending
atlascorp-20221231xexx121.htm	Edgar Link	pending
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atlascorp-20221231xexx452.htm	Edgar Link	pending
atlascorp-20221231xexx81.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
atco-20221231_cal.xml	Edgar Link	unprocessable
atco-20221231_def.xml	Edgar Link	unprocessable
atco-20221231_lab.xml	Edgar Link	unprocessable
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atco-20221231_htm.xml	Edgar Link	completed
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$ATCOL
Atlas Corp. Stock $atcol

2022 Q4 Form 20-F Financial Statement

#000162828023008175 Filed on March 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATCOL Atlas Corp. Stock $atcol

2022 Q4 Form 20-F Financial Statement

#000162828023008175 Filed on March 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATCOL
Atlas Corp. Stock $atcol