$KALU
KAISER ALUMINUM CORP Stock $kalu

$kalu Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000095017023004215 Filed on February 24, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$807.6M	$776.0M	$3.428B
YoY Change	-14.88%	-3.77%	30.74%
Cost Of Revenue	$731.1M	$721.0M	$3.180B
YoY Change	-15.57%	-1.84%	35.44%
Gross Profit	$76.50M	$55.00M	$247.7M
YoY Change	-7.72%	-23.5%	-9.57%
Gross Profit Margin	9.47%	7.09%	7.23%
Selling, General & Admin	$29.70M	$28.00M	$101.2M
YoY Change	0.34%	6.46%	9.05%
% of Gross Profit	38.82%	50.91%	40.86%
Research & Development			$9.300M
YoY Change			0.0%
% of Gross Profit			3.75%
Depreciation & Amortization	$26.30M	$26.50M	$106.9M
YoY Change	9.58%	-2.93%	16.83%
% of Gross Profit	34.38%	48.18%	43.16%
Operating Expenses	$56.00M	$54.50M	$9.300M
YoY Change	-1.93%	1.68%	0.0%
Operating Profit	$19.10M	$500.0K	$4.000M
YoY Change	-24.21%	-97.27%	-98.49%
Interest Expense	$11.90M	-$10.90M	$48.30M
YoY Change	-2.46%	-12.8%	-197.58%
% of Operating Profit	62.3%	-2180.0%	1207.5%
Other Income/Expense, Net	$13.60M	-$1.600M	$6.400M
YoY Change	-950.0%	220.0%	-116.45%
Pretax Income	$20.80M	-$35.00M	-$37.90M
YoY Change	82.46%	-1072.22%	57.92%
Income Tax	$4.900M	-$8.600M	-$8.300M
% Of Pretax Income	23.56%
Net Earnings	$15.90M	-$26.40M	-$29.60M
YoY Change	96.3%	-1652.94%	60.0%
Net Earnings / Revenue	1.97%	-3.4%	-0.86%
Basic Earnings Per Share	$1.00		-$1.86
Diluted Earnings Per Share	$0.99	-$1.66	-$1.86
COMMON SHARES
Basic Shares Outstanding	15.94M	15.94M	15.91M
Diluted Shares Outstanding	16.10M		15.91M

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$31.50M	$57.40M	$57.40M
YoY Change	-87.93%	-81.07%	-81.07%
Cash & Equivalents	$31.50M	$57.40M	$57.40M
Short-Term Investments
Other Short-Term Assets	$30.20M	$30.50M	$30.50M
YoY Change	-57.58%	-37.37%	-37.37%
Inventory	$537.7M	$525.4M	$525.4M
Prepaid Expenses
Receivables	$365.0M	$297.2M	$355.8M
Other Receivables	$42.60M	$73.50M	$73.50M
Total Short-Term Assets	$1.060B	$1.043B	$1.043B
YoY Change	-19.79%	-13.51%	-13.51%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.038B	$1.013B	$1.052B
YoY Change	8.08%	6.07%	5.46%
Goodwill	$18.80M	$18.80M
YoY Change		-52.16%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$116.0M	$112.3M	$120.0M
YoY Change	0.17%	6.75%	6.76%
Total Long-Term Assets	$1.270B	$1.246B	$1.246B
YoY Change	4.08%	2.4%	2.4%
TOTAL ASSETS
Total Short-Term Assets	$1.060B	$1.043B	$1.043B
Total Long-Term Assets	$1.270B	$1.246B	$1.246B
Total Assets	$2.330B	$2.289B	$2.289B
YoY Change	-8.33%	-5.52%	-5.52%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$282.3M	$305.1M	$305.1M
YoY Change	-36.25%	-13.18%	-13.18%
Accrued Expenses	$110.1M	$104.7M	$102.6M
YoY Change	15.29%	11.74%	9.5%
Deferred Revenue	$0.00	$0.00
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due			$2.100M
YoY Change			0.0%
Total Short-Term Liabilities	$405.9M	$418.7M	$418.7M
YoY Change	-26.81%	-8.32%	-8.32%
LONG-TERM LIABILITIES
Long-Term Debt	$1.078B	$1.038B	$1.043B
YoY Change	3.96%	0.17%	0.07%
Other Long-Term Liabilities	$82.80M	$74.70M	$190.9M
YoY Change	11.29%	3.03%	-13.35%
Total Long-Term Liabilities	$1.161B	$1.113B	$1.234B
YoY Change	4.45%	0.36%	-2.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$405.9M	$418.7M	$418.7M
Total Long-Term Liabilities	$1.161B	$1.113B	$1.234B
Total Liabilities	$1.694B	$1.658B	$1.658B
YoY Change	-7.59%	-4.18%	-4.18%
SHAREHOLDERS EQUITY
Retained Earnings	$16.70M	$13.30M
YoY Change	-81.15%	-85.7%
Common Stock	$1.093B	$1.091B
YoY Change	1.06%	1.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$475.9M	$475.9M
YoY Change	0.0%	0.0%
Treasury Stock Shares	$6.835M	$6.835M
Shareholders Equity	$635.6M	$631.2M	$631.2M
YoY Change
Total Liabilities & Shareholders Equity	$2.330B	$2.289B	$2.289B
YoY Change	-8.33%	-5.52%	-5.52%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$15.90M	-$26.40M	-$29.60M
YoY Change	96.3%	-1652.94%	60.0%
Depreciation, Depletion And Amortization	$26.30M	$26.50M	$106.9M
YoY Change	9.58%	-2.93%	16.83%
Cash From Operating Activities	-$20.30M	-$4.500M	-$63.10M
YoY Change	-1550.0%	-109.76%	-179.47%
INVESTING ACTIVITIES
Capital Expenditures	$41.10M	$60.10M	$142.5M
YoY Change	-245.23%	-109.43%	-121.36%
Acquisitions
YoY Change
Other Investing Activities	$15.20M	$6.000M	$16.70M
YoY Change		-99.02%	1092.86%
Cash From Investing Activities	-$25.90M	-$54.10M	-$125.8M
YoY Change	-8.48%	105.7%	-81.11%
FINANCING ACTIVITIES
Cash Dividend Paid	$12.50M		$50.10M
YoY Change	0.0%		7.28%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	25.00M	-13.60M	-56.80M
YoY Change	-267.79%	10.57%	-152.06%
NET CHANGE
Cash From Operating Activities	-20.30M	-4.500M	-63.10M
Cash From Investing Activities	-25.90M	-54.10M	-125.8M
Cash From Financing Activities	25.00M	-13.60M	-56.80M
Net Change In Cash	-21.20M	-72.20M	-245.7M
YoY Change	-49.28%	-1062.67%	-48.52%
FREE CASH FLOW
Cash From Operating Activities	-$20.30M	-$4.500M	-$63.10M
Capital Expenditures	$41.10M	$60.10M	$142.5M
Free Cash Flow	-$61.40M	-$64.60M	-$205.6M
YoY Change	-306.73%	-109.45%	-127.54%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-3030279
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CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
CY2022	us-gaap	Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration ImpairmentOfIntangibleAssetFiniteLivedStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherOperatingIncomeExpenseNet
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAccruedLiabilitiesCurrent
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#CostOfGoodsAndServicesSold
CY2021Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAccruedLiabilitiesCurrent
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#CostOfGoodsAndServicesSold
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2020Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2021Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2022	us-gaap	Operating Loss Carryforwards Expiration Date OperatingLossCarryforwardsExpirationDate	2030-12-31
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000811596
CY2022Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-09447
CY2022	dei	Entity Registrant Name EntityRegistrantName	KAISER ALUMINUM CORPORATION
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	1550 West McEwen Drive
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Franklin
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	37067
CY2022	dei	City Area Code CityAreaCode	629
CY2022	dei	Local Phone Number LocalPhoneNumber	252-7040
CY2022	dei	Security12b Title Security12bTitle	Common stock, par value $0.01 per share
CY2022	dei	Trading Symbol TradingSymbol	KALU
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	1200000000
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	15940756
CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	Costa Mesa, California
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CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	45200000
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CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-38900000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1400000
CY2021	us-gaap	Dividends Cash DividendsCash	46700000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8300000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5500000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10000000.0
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-29600000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-18500000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	28800000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.86
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.17
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.86
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.17
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.81
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15906000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15836000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15802000
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15906000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15836000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15913000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-29600000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-18500000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	28800000
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-24200000
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1600000
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-13400000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-300000
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-17300000
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	16600000
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	6700000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	100000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6900000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15000000.0
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19900000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-22700000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3500000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	48700000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	733900000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	28800000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19900000
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	400000
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4300000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	12500000
CY2020	us-gaap	Dividends Cash DividendsCash	43400000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9600000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	732400000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-18500000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15000000.0
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	300000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12600000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	692500000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-29600000
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2600000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6900000
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	600000
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2800000
CY2022	us-gaap	Dividends Cash DividendsCash	50100000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13700000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	631200000
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	81.94
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.08
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.88
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.68
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-29600000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-18500000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	28800000
CY2022	us-gaap	Depreciation Depreciation	97600000
CY2021	us-gaap	Depreciation Depreciation	82500000
CY2020	us-gaap	Depreciation Depreciation	49300000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9300000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9000000.0
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2900000
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2300000
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2100000
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2000000.0
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-12000000.0
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-11400000
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	15200000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	14300000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	12900000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	10000000.0
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23700000
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	500000
CY2021	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	-35900000
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6000000.0
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	500000
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-200000
CY2022	kalu	Gain Loss On Reimbursement On Certain Machinery And Equipment GainLossOnReimbursementOnCertainMachineryAndEquipment	6000000.0
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	700000
CY2022	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	13100000
CY2021	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	9400000
CY2020	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	5200000
CY2022	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-15000000.0
CY2021	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	90300000
CY2020	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-60800000
CY2022	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-4600000
CY2021	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	27100000
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-18500000
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	120800000
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	43500000
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-25600000
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1500000
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	900000
CY2022	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-61200000
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6800000
CY2021	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	112500000
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-5900000
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	4400000
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	17300000
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-600000
CY2021	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	1700000
CY2020	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	2900000
CY2022	kalu	Increase Decrease In Noncurrent Assets And Liabilities Net IncreaseDecreaseInNoncurrentAssetsAndLiabilitiesNet	10300000
CY2021	kalu	Increase Decrease In Noncurrent Assets And Liabilities Net IncreaseDecreaseInNoncurrentAssetsAndLiabilitiesNet	8300000
CY2020	kalu	Increase Decrease In Noncurrent Assets And Liabilities Net IncreaseDecreaseInNoncurrentAssetsAndLiabilitiesNet	-4800000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-63100000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	79400000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	206900000
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	142500000
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	58000000.0
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	51900000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	39100000
CY2022	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	300000
CY2021	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	400000
CY2020	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	500000
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	118100000
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	609200000
CY2022	kalu	Proceeds From Reimbursement On Certain Machinery And Equipment ProceedsFromReimbursementOnCertainMachineryAndEquipment	6000000.0
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	11000000.0
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1800000
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	300000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-125800000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-665800000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	26900000
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1800000
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	8600000
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6200000
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2100000
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2100000
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1700000
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2800000
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2600000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4300000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12500000
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	50100000
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	46700000
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	43400000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-56800000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	109100000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	281900000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-245700000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-477300000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	515700000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	317000000.0
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	794300000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	278600000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	71300000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	317000000.0
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	794300000
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p style="text-indent:4.533%;font-size:10.0pt;margin-top:12.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;font-style:italic;min-width:fit-content;">Use of Estimates in the Preparation of Financial Statements.</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> The preparation of financial statements in accordance with GAAP requires the use of estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities known to exist as of the date the financial statements are published and the reported amounts of revenues and expenses during the reporting period. Uncertainties with respect to such estimates and assumptions are inherent in the preparation of our consolidated financial statements; accordingly, it is possible that the actual results could differ from these estimates and assumptions, which could have a material effect on the reported amounts of our consolidated financial position and results of operations.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p>
CY2022	us-gaap	Accounts Receivable Sale AccountsReceivableSale	1589300000
CY2021	us-gaap	Accounts Receivable Sale AccountsReceivableSale	1102800000
CY2022	kalu	Discount Fees Recognized DiscountFeesRecognized	23300000
CY2021	kalu	Discount Fees Recognized DiscountFeesRecognized	6200000
CY2022Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	174000000.0
CY2021Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	143000000.0
CY2022Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	10900000
CY2021Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	9100000
CY2022Q4	us-gaap	Inventory Net InventoryNet	525400000
CY2021Q4	us-gaap	Inventory Net InventoryNet	404600000
CY2022Q4	us-gaap	Land Land	28400000
CY2022Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	84600000
CY2021Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	137100000
CY2022Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Before Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedBeforeAccumulatedAmortization	10400000
CY2021Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Before Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedBeforeAccumulatedAmortization	7800000
CY2022	kalu	Hosting Arrangement Service Contract Implementation Cost Average Useful Life HostingArrangementServiceContractImplementationCostAverageUsefulLife	P9Y
CY2022Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAccumulatedAmortization	1100000
CY2021Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAccumulatedAmortization	100000
CY2022	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	1000000.0
CY2021	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	100000
CY2020	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	0
CY2021Q4	us-gaap	Land Land	26000000.0
CY2022Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	185500000
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	500000
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000
CY2022	us-gaap	Lease Practical Expedients Package LeasePracticalExpedientsPackage	true
CY2020Q4	kalu	Workers Compensation Charges WorkersCompensationCharges	600000
CY2022Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	7700000
CY2021Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	9000000.0
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	297200000
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	332700000
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	98000000.0
CY2021Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	90300000
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	242500000
CY2022	us-gaap	Advertising Expense AdvertisingExpense	0
CY2021	us-gaap	Advertising Expense AdvertisingExpense	100000
CY2020	us-gaap	Advertising Expense AdvertisingExpense	200000
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	9300000
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	9300000
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	9100000
CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	179000000.0
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	162200000
CY2022Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1232700000
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P29Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0351
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0395
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	39100000
CY2021Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1151500000
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	141300000
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	75300000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1587900000
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1431800000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	574900000
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	480400000
CY2022Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	200000
CY2021Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	3800000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1013200000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	955200000
CY2022Q4	us-gaap	Bank Overdrafts BankOverdrafts	13600000
CY2021Q4	us-gaap	Bank Overdrafts BankOverdrafts	10900000
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	8900000
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	9500000
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	9900000
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	9900000
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	1100000
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	2600000
CY2022Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	34900000
CY2021Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	25500000
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	68400000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	58400000
CY2022Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	30900000
CY2021Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	31900000
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	16600000
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	14200000
CY2022Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	27200000
CY2021Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	26400000
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	74700000
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	72500000
CY2022Q4	kalu	Construction In Progress Temporarily Idled ConstructionInProgressTemporarilyIdled	21900000
CY2021Q4	kalu	Construction In Progress Temporarily Idled ConstructionInProgressTemporarilyIdled	24900000
CY2022	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2022Q4	us-gaap	Lessee Finance Lease Renewal Term1 LesseeFinanceLeaseRenewalTerm1	P60Y
CY2022	us-gaap	Lessee Operating Lease Existence Of Option To Terminate LesseeOperatingLeaseExistenceOfOptionToTerminate	true
CY2022	kalu	Lessee Operating Lease Optionto Terminate Duration LesseeOperatingLeaseOptiontoTerminateDuration	P1Y
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	46200000
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6700000
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	8200000
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9100000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	9000000.0
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-300000
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2100000
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2100000
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	35400000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	40800000
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	5000000.0
CY2022	kalu	Actuarial Gain Loss Due To Change In Discount Rate ActuarialGainLossDueToChangeInDiscountRate	8000000.0
CY2022	kalu	Actuarial Gain Loss Due To Changes In Census Data ActuarialGainLossDueToChangesInCensusData	-900000
CY2021	kalu	Actuarial Gain Loss Due To Changes In Census Data ActuarialGainLossDueToChangesInCensusData	300000
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	6100000
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	12100000
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	11000000.0
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	6800000
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4300000
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3200000
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1600000
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2500000
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2100000
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1600000
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	300000
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	300000
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	300000
CY2022	us-gaap	Lease Cost LeaseCost	19200000
CY2021	us-gaap	Lease Cost LeaseCost	16600000
CY2020	us-gaap	Lease Cost LeaseCost	10300000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2300000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	10600000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1700000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	9800000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1300000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6400000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	700000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4200000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	100000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3600000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	5700000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	17600000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	11800000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	52200000
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	4700000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7700000
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	7100000
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	44500000
CY2021Q1	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	20500000
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	20500000
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	10300000
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	11000000.0
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	11400000
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	63200000
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	500000
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	200000
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	10100000
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	7200000
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	6700000
CY2020	kalu	Adjustment To Accretion Expense Impact On Earnings Per Share Basic And Diluted AdjustmentToAccretionExpenseImpactOnEarningsPerShareBasicAndDiluted	0.01
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	3000000.0
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	4700000
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2000000.0
CY2022	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-1200000
CY2021	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-200000
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	57700000
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	37200000
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	20500000
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	20500000
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	37200000
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	57700000
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	18400000
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	18400000
CY2022Q4	us-gaap	Goodwill Goodwill	18800000
CY2021Q4	us-gaap	Goodwill Goodwill	39300000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	82900000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	27600000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	55300000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	93900000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26200000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	67700000
CY2022	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	3100000
CY2020	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0
CY2021	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9300000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9000000.0
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2900000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5300000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4500000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4500000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4500000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4500000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	32000000.0
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	55300000
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	700000
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	9200000
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	9900000
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17100000
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13900000
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	8300000
CY2022	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	-600000
CY2021	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	700000
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	1500000
CY2022	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	5200000
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	5000000.0
CY2020	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	4900000
CY2022	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	34800000
CY2021	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	29000000.0
CY2020	kalu	Defined Benefit Plan Net Periodic Benefit Cost And Charges Relating To Other Benefit Plans DefinedBenefitPlanNetPeriodicBenefitCostAndChargesRelatingToOtherBenefitPlans	19900000
CY2022Q4	kalu	Multiemployer Plans Collective Bargaining Arrangement Percentage Of Employers Participants To All Employees MultiemployerPlansCollectiveBargainingArrangementPercentageOfEmployersParticipantsToAllEmployees	0.35
CY2022	us-gaap	Multiemployer Plan Pension Significant Employer Contribution Cost MultiemployerPlanPensionSignificantEmployerContributionCost	5200000
CY2021	us-gaap	Multiemployer Plan Pension Significant Employer Contribution Cost MultiemployerPlanPensionSignificantEmployerContributionCost	5000000.0
CY2020	us-gaap	Multiemployer Plan Pension Significant Employer Contribution Cost MultiemployerPlanPensionSignificantEmployerContributionCost	4900000
CY2022	kalu	Green Zone Funding Percentage Minimum GreenZoneFundingPercentageMinimum	0.80
CY2022	us-gaap	Multiemployer Plan Pension Significant Employer Contribution Under Collective Bargaining Arrangement To Total Employer Contribution Percentage MultiemployerPlanPensionSignificantEmployerContributionUnderCollectiveBargainingArrangementToTotalEmployerContributionPercentage	0.05
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	612882
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	7200000
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	6700000
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	6500000
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2300000
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	100000
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	100000
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	100000
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13700000
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12600000
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9600000
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3200000
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3000000.0
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2300000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	9100000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	9700000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	12400000
CY2022Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	0
CY2021Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	0
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	0
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	0
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	700000
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	600000
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-300000
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-35900000
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6000000.0
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	500000
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-200000
CY2022	kalu	Contribution Received From Alcoa ContributionReceivedFromAlcoa	6000000.0
CY2022	kalu	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	-100000
CY2021	kalu	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	600000
CY2020	kalu	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	200000
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	16800000
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	18700000
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	17000000.0
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	3200000
CY2021	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	100000
CY2020	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	5200000
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	2300000
CY2021	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	2000000.0
CY2020	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	3500000
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	17700000
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	16800000
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	18700000
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	17700000
CY2022	kalu	Expected Period Related To Remediation Expenditures For Environmental Contingencies Period ExpectedPeriodRelatedToRemediationExpendituresForEnvironmentalContingenciesPeriod	P30Y
CY2022Q4	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	11600000
CY2022	kalu	Time Period Within Which Recorded Estimate Of Its Obligation May Change TimePeriodWithinWhichRecordedEstimateOfItsObligationMayChange	P12M
CY2022	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	1700000
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	1400000
CY2022	us-gaap	Restructuring Charges RestructuringCharges	2200000
CY2022	us-gaap	Payments For Restructuring PaymentsForRestructuring	500000
CY2021	us-gaap	Payments For Restructuring PaymentsForRestructuring	600000
CY2021	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-800000
CY2022Q4	us-gaap	Restructuring Reserve RestructuringReserve	1700000
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	1300000
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	200000
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	600000
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	5600000
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	4100000
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6400000
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-38900000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1400000
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-5800000
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	1600000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-44600000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-30200000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	35200000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	6700000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	6200000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	3600000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-37900000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-24000000.0
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	38800000
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1100000
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2500000
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3600000
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8900000
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	800000
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1600000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9700000
CY2022	kalu	Federal Income Tax Provision Benefit Other FederalIncomeTaxProvisionBenefitOther	-1700000
CY2022	kalu	Foreign Income Tax Provision Benefit Other ForeignIncomeTaxProvisionBenefitOther	-200000
CY2022	kalu	State Income Tax Provision Benefit Other StateIncomeTaxProvisionBenefitOther	-300000
CY2022	us-gaap	Other Income Tax Expense Benefit Continuing Operations OtherIncomeTaxExpenseBenefitContinuingOperations	-2200000
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-10600000
CY2022	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	1700000
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	600000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8300000
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2400000
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3500000
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CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	57400000
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$KALU
KAISER ALUMINUM CORP Stock $kalu

2023 Q1 Form 10-K Financial Statement

#000095017023004215 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KALU KAISER ALUMINUM CORP Stock $kalu

2023 Q1 Form 10-K Financial Statement

#000095017023004215 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KALU
KAISER ALUMINUM CORP Stock $kalu