$ATCOL
Atlas Corp. Stock $atcol

$atcol Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 20-F Financial Statement

#000162828024011260 Filed on March 14, 2024

Income Statement

Concept	2023 Q4	2023	2022
Revenue	$492.4M	$1.821B	$1.697B
YoY Change	12.83%	7.26%	3.09%
Cost Of Revenue	$96.30M	$376.9M	$353.4M
YoY Change	0.21%	6.65%	4.06%
Gross Profit	$396.1M	$1.444B	$1.344B
YoY Change	16.4%	7.43%	2.83%
Gross Profit Margin	80.44%	79.3%	79.18%
Selling, General & Admin	$53.80M	$244.4M	$231.1M
YoY Change	-0.92%	5.76%	-2.45%
% of Gross Profit	13.58%	16.93%	17.19%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$116.4M	$366.0M	$379.1M
YoY Change	21.0%	-3.46%	3.38%
% of Gross Profit	29.39%	25.35%	28.21%
Operating Expenses	$170.2M	$665.2M	$610.2M
YoY Change	13.09%	9.01%	1.09%
Operating Profit	$225.9M	$782.3M	$733.8M
YoY Change	19.02%	6.61%	4.32%
Interest Expense	-$129.6M	$375.6M	-$108.0M
YoY Change	69.86%	-447.78%	-39.97%
% of Operating Profit	-57.37%	48.01%	-14.72%
Other Income/Expense, Net	-$2.400M	-$371.0M	-$9.300M
YoY Change	-140.0%	3889.25%	-57.34%
Pretax Income	$92.60M	$411.3M	$624.7M
YoY Change	-22.51%	-34.16%	44.11%
Income Tax	$300.0K	$8.300M	$2.400M
% Of Pretax Income	0.32%	2.02%	0.38%
Net Earnings	$92.30M	$403.0M	$561.5M
YoY Change	-17.59%	-28.23%	40.2%
Net Earnings / Revenue	18.74%	22.13%	33.08%
Basic Earnings Per Share			$2.10
Diluted Earnings Per Share	$0.45	$1.97	$1.93
COMMON SHARES
Basic Shares Outstanding	204.3M shares		267.1M shares
Diluted Shares Outstanding			290.8M shares

Balance Sheet

Concept	2023 Q4	2023	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$419.0M	$419.0M	$301.0M
YoY Change	39.2%	39.2%	-1.44%
Cash & Equivalents	$385.3M	$385.3M	$280.0M
Short-Term Investments	$33.70M	$33.70M	$21.00M
Other Short-Term Assets	$132.0M	$132.0M	$143.6M
YoY Change	-8.08%	-8.08%	2.79%
Inventory	$52.20M	$52.20M	$50.00M
Prepaid Expenses
Receivables	$79.20M	$79.20M	$98.60M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$682.4M	$682.4M	$593.2M
YoY Change	15.04%	15.04%	8.31%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.380B	$11.13B	$9.326B
YoY Change	0.57%	19.37%	6.31%
Goodwill	$75.30M
YoY Change	0.0%
Intangibles	$61.00M
YoY Change	-19.42%
Long-Term Investments	$1.395B	$1.395B	$887.4M
YoY Change	57.21%	57.21%	19.68%
Other Assets	$340.6M	$366.6M	$420.4M
YoY Change	-18.98%	-12.8%	22.82%
Total Long-Term Assets	$13.03B	$13.03B	$10.71B
YoY Change	21.68%	21.68%	6.86%
TOTAL ASSETS
Total Short-Term Assets	$682.4M	$682.4M	$593.2M
Total Long-Term Assets	$13.03B	$13.03B	$10.71B
Total Assets	$13.71B	$13.71B	$11.30B
YoY Change	21.33%	21.33%	6.93%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$317.2M	$248.5M	$204.3M
YoY Change	55.26%	21.63%	45.82%
Accrued Expenses	$101.1M	$169.8M	$115.3M
YoY Change	-12.32%	47.27%	-41.89%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$129.4M	$494.4M	$608.1M
YoY Change	-78.72%	-18.7%	10.36%
Total Short-Term Liabilities	$1.084B	$1.084B	$1.039B
YoY Change	4.36%	4.36%	-11.65%
LONG-TERM LIABILITIES
Long-Term Debt	$3.161B	$7.467B	$5.394B
YoY Change	-41.39%	38.43%	44.53%
Other Long-Term Liabilities	$177.3M	$449.7M	$444.4M
YoY Change	-60.1%	1.19%	-75.95%
Total Long-Term Liabilities	$3.339B	$7.916B	$5.838B
YoY Change	-42.81%	35.6%	4.63%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.084B	$1.084B	$1.039B
Total Long-Term Liabilities	$3.339B	$7.916B	$5.838B
Total Liabilities	$9.000B	$9.000B	$6.877B
YoY Change	30.88%	30.88%	1.8%
SHAREHOLDERS EQUITY
Retained Earnings	$554.8M
YoY Change	32.1%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.416B	$4.713B	$4.426B
YoY Change
Total Liabilities & Shareholders Equity	$13.71B	$13.71B	$11.30B
YoY Change	21.33%	21.33%	6.93%

Cashflow Statement

Concept	2023 Q4	2023	2022
OPERATING ACTIVITIES
Net Income	$92.30M	$403.0M	$561.5M
YoY Change	-17.59%	-28.23%	40.2%
Depreciation, Depletion And Amortization	$116.4M	$366.0M	$379.1M
YoY Change	21.0%	-3.46%	3.38%
Cash From Operating Activities	$311.9M	$1.024B	$856.3M
YoY Change	37.4%	19.56%	-9.29%
INVESTING ACTIVITIES
Capital Expenditures	$1.057B	$3.011B	$1.240B
YoY Change	143.51%	142.87%	-178.61%
Acquisitions
YoY Change
Other Investing Activities		$69.60M	$217.1M
YoY Change		-67.94%	-285.71%
Cash From Investing Activities	-$1.057B	-$2.941B	-$1.023B
YoY Change	189.48%	187.63%	-39.63%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$201.3M
YoY Change			-160.93%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	801.2M	$2.014B	130.5M
YoY Change	-546.35%	1443.6%	-82.23%
NET CHANGE
Cash From Operating Activities	311.9M	$1.024B	856.3M
Cash From Investing Activities	-1.057B	-$2.941B	-1.023B
Cash From Financing Activities	801.2M	$2.014B	130.5M
Net Change In Cash	56.50M	$96.90M	-35.80M
YoY Change	-117.8%	-370.67%	128.03%
FREE CASH FLOW
Cash From Operating Activities	$311.9M	$1.024B	$856.3M
Capital Expenditures	$1.057B	$3.011B	$1.240B
Free Cash Flow	-$744.7M	-$1.987B	-$383.4M
YoY Change	259.93%	418.28%	-115.21%

Facts In Submission

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CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
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CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Document Shell Company Report DocumentShellCompanyReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-39237
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CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	1T
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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
CY2023	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	3900000	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
CY2023	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	16700000	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
CY2023	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	18900000	usd
CY2022	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	9300000	usd
CY2021	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	21800000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-371000000.0	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-126700000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-328700000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	411300000	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
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8300000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000000.0	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	403000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	403000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-1000000.0	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
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	404000000.0	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	623300000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	401700000	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	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	12000000000000	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	Stock Issued During Period Value Dividend Reinvestment Plan Net StockIssuedDuringPeriodValueDividendReinvestmentPlanNet	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	Stock Issued During Period Value Dividend Reinvestment Plan Net StockIssuedDuringPeriodValueDividendReinvestmentPlanNet	-100000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	22500000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	4128900000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	4128900000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	403000000.0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1000000.0	usd
CY2023	atco	Stock Issued During Period Warrants Exercised StockIssuedDuringPeriodWarrantsExercised	78700000	usd
CY2023	atco	Adjustments To Additional Paid In Capital Settlement Of Exchangeable Notes AdjustmentsToAdditionalPaidInCapitalSettlementOfExchangeableNotes	29400000	usd
CY2023	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	150000000.0	usd
CY2023	atco	Adjustments To Additional Paid In Capital Share Based Compensation AdjustmentsToAdditionalPaidInCapitalShareBasedCompensation	11600000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-245700000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	194600000	usd
CY2023	us-gaap	Dividends Preferred Stock DividendsPreferredStock	73200000	usd
CY2023	atco	Stock Issued During Period Value Dividend Reinvestment Plan Net StockIssuedDuringPeriodValueDividendReinvestmentPlanNet	0	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	17400000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	4415900000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	403000000.0	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	622300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	400500000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	420800000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	379100000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	366700000	usd
CY2023	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	93900000	usd
CY2022	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	99600000	usd
CY2021	atco	Change In Right Of Use Assets ChangeInRightOfUseAssets	125800000	usd
CY2023	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	28900000	usd
CY2022	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	21200000	usd
CY2021	atco	Non Cash Interest Expense And Accretion NonCashInterestExpenseAndAccretion	38200000	usd
CY2023	atco	Non Cash Adjustment Purchase Option Finance Lease NonCashAdjustmentPurchaseOptionFinanceLease	30100000	usd
CY2022	atco	Non Cash Adjustment Purchase Option Finance Lease NonCashAdjustmentPurchaseOptionFinanceLease	0	usd
CY2021	atco	Non Cash Adjustment Purchase Option Finance Lease NonCashAdjustmentPurchaseOptionFinanceLease	0	usd
CY2023	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-19500000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	127900000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	40600000	usd
CY2023	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	38600000	usd
CY2022	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	12400000	usd
CY2021	atco	Amortization Of Acquired Revenue Contracts AmortizationOfAcquiredRevenueContracts	15000000.0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-10300000	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
CY2023	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	3900000	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
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3700000	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
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-8700000	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
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	5000000.0	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
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1023800000	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
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3010900000	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
CY2023	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	0	usd
CY2022	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	0	usd
CY2021	atco	Prepayment On Vessel Purchase PrepaymentOnVesselPurchase	132300000	usd
CY2023	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-34400000	usd
CY2022	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	12700000	usd
CY2021	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	26800000	usd
CY2023	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	0	usd
CY2022	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	-4000000.0	usd
CY2021	atco	Gain Loss On Foreign Currency Repatriation GainLossOnForeignCurrencyRepatriation	13900000	usd
CY2023	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	18600000	usd
CY2022	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	12500000	usd
CY2021	atco	Proceeds From Contingent Consideration Asset ProceedsFromContingentConsiderationAsset	30500000	usd
CY2023	atco	Payments For Proceeds From Other Productive Assets PaymentsForProceedsFromOtherProductiveAssets	-83900000	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
CY2023	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	67300000	usd
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	46200000	usd
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	15700000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2941300000	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
CY2023	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1608500000	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
CY2023	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	3658000000	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
CY2023	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	245700000	usd
CY2022	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	usd
CY2021	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	usd
CY2023	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	300000000.0	usd
CY2023	atco	Proceeds From Capped Call Settlement ProceedsFromCappedCallSettlement	25300000	usd
CY2022	atco	Proceeds From Capped Call Settlement ProceedsFromCappedCallSettlement	0	usd
CY2021	atco	Proceeds From Capped Call Settlement ProceedsFromCappedCallSettlement	0	usd
CY2023	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	78700000	usd
CY2022	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	201300000	usd
CY2021	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	usd
CY2023	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	150000000.0	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
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	13700000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16600000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	12200000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	20200000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	122200000	usd
CY2023	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	100000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	148000000.0	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	119300000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	124600000	usd
CY2023	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	60900000	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
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2014400000	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
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	96900000	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
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	291000000.0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	326800000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	342500000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	387900000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	291000000.0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	326800000	usd
CY2023Q1	atco	Merger Agreement Right To Receive Cash Per Share MergerAgreementRightToReceiveCashPerShare	15.50
CY2023	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>
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Comparative information:<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%">Certain information has been reclassified to conform to the financial statement presentation adopted for the current year.</span></div>
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1820700000	usd
CY2023	atco	Operating Costs And Expenses Excluding Depreciation And Amortization OperatingCostsAndExpensesExcludingDepreciationAndAmortization	376900000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	420800000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	124100000	usd
CY2023	us-gaap	Lease Cost LeaseCost	120300000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3700000	usd
CY2023	us-gaap	Interest Income Other InterestIncomeOther	13200000	usd
CY2023	us-gaap	Interest Expense InterestExpense	375600000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8300000	usd
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
CY2023	atco	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1200700000	usd
CY2022	atco	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1134000000	usd
CY2023	atco	Eliminations And Oher EliminationsAndOher	-4800000	usd
CY2022	atco	Eliminations And Oher EliminationsAndOher	-1400000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	420800000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	379100000	usd
CY2023	us-gaap	Interest Income Other InterestIncomeOther	13200000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	6500000	usd
CY2023	us-gaap	Interest Expense InterestExpense	375600000	usd
CY2022	us-gaap	Interest Expense InterestExpense	235400000	usd
CY2023	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-16700000	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-120600000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-10300000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-9400000	usd
CY2023	us-gaap	Other Expenses OtherExpenses	18900000	usd
CY2022	us-gaap	Other Expenses OtherExpenses	7100000	usd
CY2023	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	-2200000	usd
CY2022	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	900000	usd
CY2023	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	0	usd
CY2022	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	4000000.0	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3700000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3700000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	411300000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	624700000	usd
CY2023Q4	us-gaap	Assets Assets	13713000000	usd
CY2022Q4	us-gaap	Assets Assets	11302400000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1820700000	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
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	1889800000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Next Twelve Months DirectFinancingLeasesInterestIncomeToBeReceivedNextTwelveMonths	115600000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Next Twelve Months FutureMinimumRevenueReceivableInNextTwelveMonths	2005400000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	1758500000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Two Years DirectFinancingLeasesInterestIncomeToBeReceivedTwoYears	111100000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Two Years FutureMinimumRevenueReceivableInTwoYears	1869600000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	1443000000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Three Years DirectFinancingLeasesInterestIncomeToBeReceivedThreeYears	107700000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Three Years FutureMinimumRevenueReceivableInThreeYears	1550700000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	987200000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Four Years DirectFinancingLeasesInterestIncomeToBeReceivedFourYears	104100000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Four Years FutureMinimumRevenueReceivableInFourYears	1091300000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	583200000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Five Years DirectFinancingLeasesInterestIncomeToBeReceivedFiveYears	100400000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Five Years FutureMinimumRevenueReceivableInFiveYears	683600000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	2015900000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received Thereafter DirectFinancingLeasesInterestIncomeToBeReceivedThereafter	725600000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable Thereafter FutureMinimumRevenueReceivableThereafter	2741500000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	8677600000	usd
CY2023Q4	atco	Direct Financing Leases Interest Income To Be Received DirectFinancingLeasesInterestIncomeToBeReceived	1264500000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable FutureMinimumRevenueReceivable	9942100000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Next Twelve Months FutureMinimumRevenueReceivableInNextTwelveMonths	2005400000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Two Years FutureMinimumRevenueReceivableInTwoYears	1869600000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Three Years FutureMinimumRevenueReceivableInThreeYears	1550700000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Four Years FutureMinimumRevenueReceivableInFourYears	1091300000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable In Five Years FutureMinimumRevenueReceivableInFiveYears	683600000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable Thereafter FutureMinimumRevenueReceivableThereafter	2741500000	usd
CY2023Q4	atco	Future Minimum Revenue Receivable FutureMinimumRevenueReceivable	9942100000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1820700000	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
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	2706500000	usd
CY2022Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	1724400000	usd
CY2023Q4	atco	Sales Type And Direct Financing Leases Lease Receivable Unearned Interest Income SalesTypeAndDirectFinancingLeasesLeaseReceivableUnearnedInterestIncome	1277700000	usd
CY2022Q4	atco	Sales Type And Direct Financing Leases Lease Receivable Unearned Interest Income SalesTypeAndDirectFinancingLeasesLeaseReceivableUnearnedInterestIncome	816000000.0	usd
CY2023Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	1428800000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	908400000	usd
CY2023Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	1428800000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	908400000	usd
CY2023Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	33700000	usd
CY2022Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	21000000.0	usd
CY2023Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	1395100000	usd
CY2022Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	887400000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	152000000.0	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	151600000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	151600000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	151600000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	152000000.0	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	1947700000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	2706500000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	12638900000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3259300000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9379600000	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
CY2023	us-gaap	Depreciation Depreciation	365974000	usd
CY2022	us-gaap	Depreciation Depreciation	334121000	usd
CY2021	us-gaap	Depreciation Depreciation	345164000	usd
CY2023Q4	atco	Operating Lease And Financing Lease Right Of Use Asset OperatingLeaseAndFinancingLeaseRightOfUseAsset	826900000	usd
CY2023Q4	atco	Operating And Finance Lease Right Of Use Asset Accumulated Amortization OperatingAndFinanceLeaseRightOfUseAssetAccumulatedAmortization	388900000	usd
CY2023Q4	atco	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	438000000.0	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
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	93790000000000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	99600000000000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	125800000000000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	61000000.0	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	75700000	usd
CY2023Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	166000000.0	usd
CY2022Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	86900000	usd
CY2023Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	2600000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	11000000.0	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	36800000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	39500000	usd
CY2023Q4	atco	Business Combination Indemnification Asset Claim Noncurrent BusinessCombinationIndemnificationAssetClaimNoncurrent	0	usd
CY2022Q4	atco	Business Combination Indemnification Asset Claim Noncurrent BusinessCombinationIndemnificationAssetClaimNoncurrent	0	usd
CY2023Q4	us-gaap	Deferred Costs DeferredCosts	28100000	usd
CY2022Q4	us-gaap	Deferred Costs DeferredCosts	57300000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	46100000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	42400000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	340600000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	312800000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	186000000.0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	125000000.0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	61000000.0	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
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18198000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	23200000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	20910000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	9700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4400000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2700000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2200000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	27900000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	61000000.0	usd
CY2021Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	79400000	usd
CY2022	atco	Increase Decrease In Drydocking Costs IncreaseDecreaseInDrydockingCosts	42400000	usd
CY2022	atco	Drydocking Vessel Sales DrydockingVesselSales	11300000	usd
CY2022	atco	Amortization Of Drydocking AmortizationOfDrydocking	23600000	usd
CY2022Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	86900000	usd
CY2023	atco	Increase Decrease In Drydocking Costs IncreaseDecreaseInDrydockingCosts	124400000	usd
CY2023	atco	Drydocking Vessel Sales DrydockingVesselSales	6900000	usd
CY2023	atco	Amortization Of Drydocking AmortizationOfDrydocking	38400000	usd
CY2023Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	166000000.0	usd
CY2023Q4	atco	Number Of Vessels Classified As Held For Sale NumberOfVesselsClassifiedAsHeldForSale	1	vessel
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
CY2023	atco	Business Combination Contingent Consideration Change In Fair Value BusinessCombinationContingentConsiderationChangeInFairValue	-2200000	usd
CY2023	atco	Business Combination Contingent Consideration Compensation Received BusinessCombinationContingentConsiderationCompensationReceived	3800000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	37700000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Asset Current BusinessCombinationContingentConsiderationAssetCurrent	900000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Asset Noncurrent BusinessCombinationContingentConsiderationAssetNoncurrent	36800000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3323700000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3736700000	usd
CY2023Q4	atco	Deferred Financing Fees Included In Long Term Debt DeferredFinancingFeesIncludedInLongTermDebt	32900000	usd
CY2022Q4	atco	Deferred Financing Fees Included In Long Term Debt DeferredFinancingFeesIncludedInLongTermDebt	44900000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	3290800000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	3691800000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	129400000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	238400000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3161400000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3453400000	usd
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CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	425900000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	581600000	usd
CY2023Q4	atco	Lessee Operating Lease Liability Impact Of Discounting LesseeOperatingLeaseLiabilityImpactOfDiscounting	38500000	usd
CY2022Q4	atco	Lessee Operating Lease Liability Impact Of Discounting LesseeOperatingLeaseLiabilityImpactOfDiscounting	66300000	usd
CY2023Q4	atco	Lessee Operating Lease Liability Impact Of Changes In Variable Rates LesseeOperatingLeaseLiabilityImpactOfChangesInVariableRates	15200000	usd
CY2022Q4	atco	Lessee Operating Lease Liability Impact Of Changes In Variable Rates LesseeOperatingLeaseLiabilityImpactOfChangesInVariableRates	8300000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	372200000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	507000000.0	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	101100000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	115300000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	271100000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	391700000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	116800000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	128500000	usd
CY2023	atco	Variable Lease Adjustments VariableLeaseAdjustments	-4700000	usd
CY2022	atco	Variable Lease Adjustments VariableLeaseAdjustments	4800000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	113300000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	116500000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.048
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.048
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	66500000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	222200000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	66500000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	222200000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.073
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	-99600000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid OtherFinancingArrangementsLiabilityToBePaid	4656500000	usd
CY2022Q4	atco	Other Financing Arrangements Liability To Be Paid OtherFinancingArrangementsLiabilityToBePaid	2119700000	usd
CY2023Q4	atco	Other Financing Agreement Liability Undiscounted Excess Amount OtherFinancingAgreementLiabilityUndiscountedExcessAmount	52700000	usd
CY2022Q4	atco	Other Financing Agreement Liability Undiscounted Excess Amount OtherFinancingAgreementLiabilityUndiscountedExcessAmount	31900000	usd
CY2023Q4	atco	Other Financing Arrangements Liability OtherFinancingArrangementsLiability	4603800000	usd
CY2022Q4	atco	Other Financing Arrangements Liability OtherFinancingArrangementsLiability	2087800000	usd
CY2023Q4	atco	Other Financing Arrangements Current OtherFinancingArrangementsCurrent	298500000	usd
CY2022Q4	atco	Other Financing Arrangements Current OtherFinancingArrangementsCurrent	147500000	usd
CY2023Q4	atco	Other Financing Arrangements Noncurrent OtherFinancingArrangementsNoncurrent	4305300000	usd
CY2022Q4	atco	Other Financing Arrangements Noncurrent OtherFinancingArrangementsNoncurrent	1940300000	usd
CY2023Q4	atco	Long Term Obligations Under Finance Lease Weighted Average Interest Rate LongTermObligationsUnderFinanceLeaseWeightedAverageInterestRate	0.0736
CY2022Q4	atco	Long Term Obligations Under Finance Lease Weighted Average Interest Rate LongTermObligationsUnderFinanceLeaseWeightedAverageInterestRate	0.0662
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid In Next Twelve Months OtherFinancingArrangementsLiabilityToBePaidInNextTwelveMonths	300000000.0	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid In Year Two OtherFinancingArrangementsLiabilityToBePaidInYearTwo	301600000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid In Year Three OtherFinancingArrangementsLiabilityToBePaidInYearThree	302300000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid In Year Four OtherFinancingArrangementsLiabilityToBePaidInYearFour	306300000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid In Year Five OtherFinancingArrangementsLiabilityToBePaidInYearFive	310400000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid After Year Five OtherFinancingArrangementsLiabilityToBePaidAfterYearFive	3135900000	usd
CY2023Q4	atco	Other Financing Arrangements Liability To Be Paid OtherFinancingArrangementsLiabilityToBePaid	4656500000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	24300000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	15900000	usd
CY2023Q4	atco	Other Long Term Liabilities OtherLongTermLiabilities	171800000	usd
CY2022Q4	atco	Other Long Term Liabilities OtherLongTermLiabilities	48600000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	196100000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	64500000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	18800000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	13300000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	177300000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	51200000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Leases IncomeTaxReconciliationNondeductibleExpenseLeases	-109500000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-4500000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	23200000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-4600000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	96600000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	118700000	usd
CY2023	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	9100000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9100000	usd
CY2023	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-800000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-800000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	0	usd
CY2023	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	8300000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8300000	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
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0201
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0038
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2500
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.1900
CY2022	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1900000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-500000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	2500000	usd
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1500000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-2600000	usd
CY2023	atco	Effective Income Tax Rate Reconciliation Income Tax Reconciliation Withholding Tax Amount EffectiveIncomeTaxRateReconciliationIncomeTaxReconciliationWithholdingTaxAmount	-1000000.0	usd
CY2022	atco	Effective Income Tax Rate Reconciliation Income Tax Reconciliation Withholding Tax Amount EffectiveIncomeTaxRateReconciliationIncomeTaxReconciliationWithholdingTaxAmount	-1100000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	20400000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-26900000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8300000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	usd
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CY2022Q4	atco	Deferred Tax Assets Decommission Provisions DeferredTaxAssetsDecommissionProvisions	500000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	0	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	28600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	40500000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	143500000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	122100000	usd
CY2023Q4	atco	Deferred Tax Assets Interest Allowance DeferredTaxAssetsInterestAllowance	35000000.0	usd
CY2022Q4	atco	Deferred Tax Assets Interest Allowance DeferredTaxAssetsInterestAllowance	36100000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	700000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	700000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	180000000.0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	184400000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	28600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	15500000	usd
CY2023Q4	atco	Deferred Tax Liabilities Deferred Job Costs DeferredTaxLiabilitiesDeferredJobCosts	3300000	usd
CY2022Q4	atco	Deferred Tax Liabilities Deferred Job Costs DeferredTaxLiabilitiesDeferredJobCosts	700000	usd
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CY2022Q4	atco	Deferred Tax Liabilities Inflation Adjustment DeferredTaxLiabilitiesInflationAdjustment	0	usd
CY2023Q4	atco	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	17700000	usd
CY2022Q4	atco	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	8800000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6600000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6400000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	29600000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	17300000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1000000.0	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1800000	usd
CY2023Q4	atco	Tax Credit Carryforward Amount For Which No Deferred Tax Asset Has Not Been Recognized TaxCreditCarryforwardAmountForWhichNoDeferredTaxAssetHasNotBeenRecognized	588046000	usd
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CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	72252000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	80300000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	82000000.0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	80300000	usd
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CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17662000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23492000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11203000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	58251000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	81733000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P28M
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CY2021	us-gaap	Interest Paid InterestPaid	149500000	usd
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CY2022	atco	Interest Capitalized On Vessels Under Construction InterestCapitalizedOnVesselsUnderConstruction	2800000	usd
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CY2023	atco	Prepayments Transferred To Vessels Upon Vessel Delivery PrepaymentsTransferredToVesselsUponVesselDelivery	0	usd
CY2022	atco	Prepayments Transferred To Vessels Upon Vessel Delivery PrepaymentsTransferredToVesselsUponVesselDelivery	0	usd
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CY2021	atco	Non Cash Financing And Investing Transactions NonCashFinancingAndInvestingTransactions	370200000	usd
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CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-61600000	usd
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CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-4200000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3600000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	200000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1000000.0	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	29100000	usd
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CY2023	atco	Increase Decrease In Acquisition Related Asset IncreaseDecreaseInAcquisitionRelatedAsset	-900000	usd
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CY2021	atco	Increase Decrease In Acquisition Related Asset IncreaseDecreaseInAcquisitionRelatedAsset	0	usd
CY2023	atco	Increase Decrease In Net Investment In Lease IncreaseDecreaseInNetInvestmentInLease	27500000	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
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-119000000.0	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
CY2023	atco	Increase Decrease In Mobilization Assets IncreaseDecreaseInMobilizationAssets	3500000	usd
CY2022	atco	Increase Decrease In Mobilization Assets IncreaseDecreaseInMobilizationAssets	0	usd
CY2021	atco	Increase Decrease In Mobilization Assets IncreaseDecreaseInMobilizationAssets	0	usd
CY2023	atco	Increase Decrease In Settlement Of Decommissioning Provisions IncreaseDecreaseInSettlementOfDecommissioningProvisions	2400000	usd
CY2022	atco	Increase Decrease In Settlement Of Decommissioning Provisions IncreaseDecreaseInSettlementOfDecommissioningProvisions	36900000	usd
CY2021	atco	Increase Decrease In Settlement Of Decommissioning Provisions IncreaseDecreaseInSettlementOfDecommissioningProvisions	6000000.0	usd
CY2023	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-145600000	usd
CY2022	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-13700000	usd
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-18100000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5700000	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
CY2023	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-125000000.0	usd
CY2022	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-47500000	usd
CY2021	atco	Increase Decrease For Deferred Major Maintenance IncreaseDecreaseForDeferredMajorMaintenance	-38700000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	900000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	0	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	0	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-5100000	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
CY2023	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	89200000	usd
CY2022	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	89800000	usd
CY2021	atco	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	122600000	usd
CY2023	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	5300000	usd
CY2022	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	-7900000	usd
CY2021	atco	Increase Decrease In Finance Lease Liabilities IncreaseDecreaseInFinanceLeaseLiabilities	0	usd
CY2023	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	-36200000	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
CY2023	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	2200000	usd
CY2022	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	3200000	usd
CY2021	atco	Increase Decrease In Contingent Consideration Asset IncreaseDecreaseInContingentConsiderationAsset	6100000	usd
CY2023	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-5000000.0	usd
CY2022	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-170200000	usd
CY2021	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-98400000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	385300000	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
CY2023Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	2600000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	11000000.0	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	38200000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	387900000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	291000000.0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	326800000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	104900000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	107100000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	106000000.0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	76000000.0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	25100000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	6800000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	425900000	usd
CY2023Q4	atco	Purchase Obligation Number Of Vessels Under Construction PurchaseObligationNumberOfVesselsUnderConstruction	40	vessel
CY2022Q4	atco	Purchase Obligation Number Of Vessels Under Construction PurchaseObligationNumberOfVesselsUnderConstruction	58	vessel
CY2023Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	2661000000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	11900000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	142400000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	271800000	usd
CY2023Q4	us-gaap	Purchase Obligation PurchaseObligation	3087100000	usd
CY2023Q4	atco	Purchase Obligation Number Of Vessels Under Contract PurchaseObligationNumberOfVesselsUnderContract	8	vessel
CY2023Q4	atco	Purchase Obligation Capacity Of Vessels Under Contract PurchaseObligationCapacityOfVesselsUnderContract	10800	ceu
CY2023Q4	atco	Purchase Obligation Number Of Vessels Under Contract PurchaseObligationNumberOfVesselsUnderContract	8	vessel
CY2023Q4	atco	Swap Amounts Expected To Be Settled In Cash Next12 Months If Interest Rate Remain Same SwapAmountsExpectedToBeSettledInCashNext12MonthsIfInterestRateRemainSame	32000	usd
CY2023Q4	atco	Swap Amounts Expected To Be Receive In Cash Next12 Months If Interest Rate Remain Same SwapAmountsExpectedToBeReceiveInCashNext12MonthsIfInterestRateRemainSame	30654000	usd
CY2023	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	-2200000	usd
CY2022	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	900000	usd
CY2021	atco	Gain Loss On Contingent Consideration Asset GainLossOnContingentConsiderationAsset	-5100000	usd
CY2023	atco	Accumulated Other Comprehensive Loss Expected To Be Reclassified To Net Earnings AccumulatedOtherComprehensiveLossExpectedToBeReclassifiedToNetEarnings	1019000	usd

Files In Submission

Name	View Source	Status
0001628280-24-011260-index-headers.html	Edgar Link	pending
0001628280-24-011260-index.html	Edgar Link	pending
0001628280-24-011260.txt	Edgar Link	pending
0001628280-24-011260-xbrl.zip	Edgar Link	pending
atco-20231231.htm	Edgar Link	pending
atco-20231231.xsd	Edgar Link	pending
atlascorp-20231231xex121.htm	Edgar Link	pending
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atlascorp-20231231xexx97.htm	Edgar Link	pending
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atco-20231231_cal.xml	Edgar Link	unprocessable
atco-20231231_def.xml	Edgar Link	unprocessable
atco-20231231_lab.xml	Edgar Link	unprocessable
atco-20231231_pre.xml	Edgar Link	unprocessable
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atco-20231231_htm.xml	Edgar Link	completed
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$ATCOL
Atlas Corp. Stock $atcol

2023 Q4 Form 20-F Financial Statement

#000162828024011260 Filed on March 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATCOL Atlas Corp. Stock $atcol

2023 Q4 Form 20-F Financial Statement

#000162828024011260 Filed on March 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATCOL
Atlas Corp. Stock $atcol