10-Q Filing

CENTURY ALUMINUM CO CIK: 949157 Q2 2022

Filing Information

Form Type	10-Q
Accession Number	`0000949157-22-000046`
Period End Date	20220630
Filing Date	20220809
Fiscal Year	2022
Fiscal Period	Q2
XBRL Instance	cenx-20220630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 82 Income Statement 104 Cash Flow Statement 86 Stockholders Equity 26 Comprehensive Income 32

Balance Sheet 82 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$30.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$29.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.50M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$11.70M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$122.10M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$80.60M	USD	Point-in-time
Due from affiliates	`DueFromRelatedPartiesCurrent`	$8.30M	USD	Point-in-time
Due from affiliates	`DueFromRelatedPartiesCurrent`	$17.10M	USD	Point-in-time
Inventories	`InventoryNet`	$415.90M	USD	Point-in-time
Inventories	`InventoryNet`	$425.60M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$140.40M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$34.80M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.20M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$29.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$757.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$618.20M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$738.40M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$892.50M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$89.60M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$59.20M	USD	Point-in-time
TOTAL	`Assets`	$1.57B	USD	Point-in-time
TOTAL	`Assets`	$1.58B	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$229.50M	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$186.50M	USD	Point-in-time
Due to affiliates	`DueToAffiliateCurrent`	$65.80M	USD	Point-in-time
Due to affiliates	`DueToAffiliateCurrent`	$26.60M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$71.30M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$62.70M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$102.10M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$49.40M	USD	Point-in-time
Accrued employee benefits costs	`PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities`	$8.90M	USD	Point-in-time
Accrued employee benefits costs	`PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities`	$10.20M	USD	Point-in-time
U.S. revolving credit facility	`DebtDomestic`	$63.60M	USD	Point-in-time
U.S. revolving credit facility	`DebtDomestic`	$15.00M	USD	Point-in-time
Iceland revolving credit facility	`DebtForeignCurrent`	$35.00M	USD	Point-in-time
Iceland revolving credit facility	`DebtForeignCurrent`	$50.00M	USD	Point-in-time
Industrial revenue bonds	`IndustrialRevenueBonds`	$7.80M	USD	Point-in-time
Industrial revenue bonds	`IndustrialRevenueBonds`	$7.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$444.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$547.40M	USD	Point-in-time
Senior notes payable	`SeniorLongTermNotes`	$245.80M	USD	Point-in-time
Senior notes payable	`SeniorLongTermNotes`	$246.20M	USD	Point-in-time
Convertible senior notes payable	`ConvertibleLongTermNotesPayable`	$84.20M	USD	Point-in-time
Convertible senior notes payable	`ConvertibleLongTermNotesPayable`	$84.00M	USD	Point-in-time
Grundartangi casthouse debt facility	`SecuredLongTermDebt`	-	USD	Point-in-time
Grundartangi casthouse debt facility	`SecuredLongTermDebt`	$39.40M	USD	Point-in-time
Accrued pension benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$25.00M	USD	Point-in-time
Accrued pension benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$28.60M	USD	Point-in-time
Accrued postretirement benefits costs - less current portion	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$91.40M	USD	Point-in-time
Accrued postretirement benefits costs - less current portion	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$93.30M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$52.40M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$46.30M	USD	Point-in-time
Leases - right of use liabilities	`OperatingLeaseLiabilityNoncurrent`	$20.90M	USD	Point-in-time
Leases - right of use liabilities	`OperatingLeaseLiabilityNoncurrent`	$22.90M	USD	Point-in-time
Due to affiliates - less current portion	`DueToAffiliateNoncurrent`	$21.90M	USD	Point-in-time
Due to affiliates - less current portion	`DueToAffiliateNoncurrent`	$9.40M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$92.30M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$58.70M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$601.50M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$661.20M	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock (Note 7)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock (Note 7)	`PreferredStockValue`	-	USD	Point-in-time
Common stock (Note 7)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock (Note 7)	`CommonStockValue`	$1.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.54B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.54B	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$86.30M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$86.30M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-80.90M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-82.30M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.95B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.89B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$439.80M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$546.10M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$421.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$370.40M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$408.30M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$479.00M	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$1.58B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$1.57B	USD	Point-in-time

Income Statement 104 line items

Line Item	Tag	Value	Unit	Period
Related parties	`RevenueFromRelatedParties`	$306.40M	USD	1 Quarter
Related parties	`RevenueFromRelatedParties`	$916.60M	USD	2 Qtrs
Related parties	`RevenueFromRelatedParties`	$483.50M	USD	1 Quarter
Related parties	`RevenueFromRelatedParties`	$574.70M	USD	2 Qtrs
Other customers	`OtherOperatingIncome`	$397.30M	USD	2 Qtrs
Other customers	`OtherOperatingIncome`	$221.60M	USD	1 Quarter
Other customers	`OtherOperatingIncome`	$373.10M	USD	1 Quarter
Other customers	`OtherOperatingIncome`	$693.60M	USD	2 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.61B	USD	2 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$972.00M	USD	2 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$856.60M	USD	1 Quarter
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$528.00M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.50B	USD	2 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$971.80M	USD	2 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$507.10M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$840.70M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$200.00K	USD	2 Qtrs
Gross profit (loss)	`GrossProfit`	$15.90M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$109.10M	USD	2 Qtrs
Gross profit (loss)	`GrossProfit`	$20.90M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$17.50M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$5.80M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$8.70M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$24.80M	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	-	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	$159.40M	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	$159.40M	USD	1 Quarter
Asset impairment	`AssetImpairmentCharges`	-	USD	1 Quarter
Other operating expense - net	`OtherOperatingIncomeExpenseNet`	$-100.00K	USD	1 Quarter
Other operating expense - net	`OtherOperatingIncomeExpenseNet`	$-400.00K	USD	2 Qtrs
Other operating expense - net	`OtherOperatingIncomeExpenseNet`	$-200.00K	USD	1 Quarter
Other operating expense - net	`OtherOperatingIncomeExpenseNet`	$-200.00K	USD	2 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$-68.20M	USD	2 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$-149.50M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$12.10M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$-24.80M	USD	2 Qtrs
Interest expense Hawesville term loan	`InterestExpenseRelatedParty`	-	USD	2 Qtrs
Interest expense Hawesville term loan	`InterestExpenseRelatedParty`	-	USD	1 Quarter
Interest expense Hawesville term loan	`InterestExpenseRelatedParty`	$500.00K	USD	2 Qtrs
Interest expense Hawesville term loan	`InterestExpenseRelatedParty`	$200.00K	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$7.50M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$5.70M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$13.00M	USD	2 Qtrs
Interest expense	`InterestExpenseDebt`	$16.50M	USD	2 Qtrs
Interest income	`InterestIncomeOther`	$100.00K	USD	2 Qtrs
Interest income	`InterestIncomeOther`	$100.00K	USD	1 Quarter
Interest income	`InterestIncomeOther`	-	USD	1 Quarter
Interest income	`InterestIncomeOther`	$200.00K	USD	2 Qtrs
Net gain (loss) on forward and derivative contracts	`GainLossOnDerivativeInstrumentsNetPretax`	$231.80M	USD	1 Quarter
Net gain (loss) on forward and derivative contracts	`GainLossOnDerivativeInstrumentsNetPretax`	$175.10M	USD	2 Qtrs
Net gain (loss) on forward and derivative contracts	`GainLossOnDerivativeInstrumentsNetPretax`	$-162.50M	USD	2 Qtrs
Net gain (loss) on forward and derivative contracts	`GainLossOnDerivativeInstrumentsNetPretax`	$-64.40M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.70M	USD	2 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.70M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	2 Qtrs
Other income - net	`OtherNonoperatingIncomeExpense`	$1.20M	USD	1 Quarter
Other income - net	`OtherNonoperatingIncomeExpense`	$3.10M	USD	2 Qtrs
Other income - net	`OtherNonoperatingIncomeExpense`	$3.10M	USD	1 Quarter
Other income - net	`OtherNonoperatingIncomeExpense`	$5.10M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$-225.70M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$-83.40M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$99.10M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$79.70M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-48.30M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$42.30M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-50.60M	USD	2 Qtrs
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$44.00M	USD	2 Qtrs
Income (loss) before equity in earnings of joint ventures	`IncomeLossAfterIncomeTaxesBeforeIncomeLossFromEquityMethodInvestments`	$55.10M	USD	2 Qtrs
Income (loss) before equity in earnings of joint ventures	`IncomeLossAfterIncomeTaxesBeforeIncomeLossFromEquityMethodInvestments`	$37.40M	USD	1 Quarter
Income (loss) before equity in earnings of joint ventures	`IncomeLossAfterIncomeTaxesBeforeIncomeLossFromEquityMethodInvestments`	$-175.10M	USD	2 Qtrs
Income (loss) before equity in earnings of joint ventures	`IncomeLossAfterIncomeTaxesBeforeIncomeLossFromEquityMethodInvestments`	$-35.10M	USD	1 Quarter
Equity in earnings of joint ventures	`IncomeLossBeforeIncomeTaxesAndEquityMethodInvestmentsInNoncontrollingInterest`	-	USD	2 Qtrs
Equity in earnings of joint ventures	`IncomeLossBeforeIncomeTaxesAndEquityMethodInvestmentsInNoncontrollingInterest`	-	USD	1 Quarter
Equity in earnings of joint ventures	`IncomeLossBeforeIncomeTaxesAndEquityMethodInvestmentsInNoncontrollingInterest`	-	USD	2 Qtrs
Equity in earnings of joint ventures	`IncomeLossBeforeIncomeTaxesAndEquityMethodInvestmentsInNoncontrollingInterest`	-	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-175.10M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$37.40M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-35.10M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$55.10M	USD	2 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	-	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$3.30M	USD	2 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$2.30M	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	-	USD	2 Qtrs
Net income (loss) allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$35.10M	USD	1 Quarter
Net income (loss) allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-35.10M	USD	1 Quarter
Net income (loss) allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-175.10M	USD	2 Qtrs
Net income (loss) allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$51.80M	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.57	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.39	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.38	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-1.94	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.54	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.36	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-1.94	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.39	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	91.20M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	91.20M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	90.10M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	90.10M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	97.60M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	90.10M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	90.10M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	97.90M	shares	2 Qtrs

Cash Flow Statement 86 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-175.10M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$37.40M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-35.10M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$55.10M	USD	2 Qtrs
Unrealized (gain) loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$217.50M	USD	2 Qtrs
Unrealized (gain) loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-127.50M	USD	2 Qtrs
Lower of cost or NRV inventory adjustment	`InventoryWriteDown`	-	USD	2 Qtrs
Lower of cost or NRV inventory adjustment	`InventoryWriteDown`	$52.80M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$41.80M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$42.10M	USD	2 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.70M	USD	2 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.70M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	2 Qtrs
Deferred tax provision (benefit)	`DeferredIncomeTaxExpenseBenefit`	$41.90M	USD	2 Qtrs
Deferred tax provision (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-47.60M	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	-	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	$159.40M	USD	2 Qtrs
Asset impairment	`AssetImpairmentCharges`	$159.40M	USD	1 Quarter
Asset impairment	`AssetImpairmentCharges`	-	USD	1 Quarter
Other non-cash items -- net	`OtherNoncashIncomeExpense`	$-4.20M	USD	2 Qtrs
Other non-cash items -- net	`OtherNoncashIncomeExpense`	$9.00M	USD	2 Qtrs
Accounts receivable -- net	`IncreaseDecreaseInAccountsReceivable`	$41.60M	USD	2 Qtrs
Accounts receivable -- net	`IncreaseDecreaseInAccountsReceivable`	$16.00M	USD	2 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$16.60M	USD	2 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$8.70M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$43.00M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$40.40M	USD	2 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$4.30M	USD	2 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.10M	USD	2 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$9.70M	USD	2 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$47.50M	USD	2 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$-28.80M	USD	2 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$9.80M	USD	2 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-1.30M	USD	2 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$16.60M	USD	2 Qtrs
Other -- net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.30M	USD	2 Qtrs
Other -- net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-700.00K	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-87.90M	USD	2 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$68.60M	USD	2 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$51.80M	USD	2 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$25.90M	USD	2 Qtrs
Proceeds from sales of property, plant & equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	2 Qtrs
Proceeds from sales of property, plant & equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$100.00K	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-51.70M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-25.90M	USD	2 Qtrs
Repayment of Senior Notes due 2025	`RepaymentsOfSeniorDebt`	$250.00M	USD	2 Qtrs
Repayment of Senior Notes due 2025	`RepaymentsOfSeniorDebt`	-	USD	2 Qtrs
Early redemption and tender premiums paid	`PaymentsOfDebtExtinguishmentCosts`	-	USD	2 Qtrs
Early redemption and tender premiums paid	`PaymentsOfDebtExtinguishmentCosts`	$18.10M	USD	2 Qtrs
Proceeds from issuance of Senior Notes due 2028	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	2 Qtrs
Proceeds from issuance of Senior Notes due 2028	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$250.00M	USD	2 Qtrs
Proceeds from issuance of Convertible Senior Notes	`ProceedsFromConvertibleDebt`	-	USD	2 Qtrs
Proceeds from issuance of Convertible Senior Notes	`ProceedsFromConvertibleDebt`	$86.30M	USD	2 Qtrs
Repayments on Hawesville term loan	`RepaymentsOfTermLoan`	-	USD	2 Qtrs
Repayments on Hawesville term loan	`RepaymentsOfTermLoan`	$10.00M	USD	2 Qtrs
Borrowings under revolving credit facilities	`ProceedsFromLinesOfCredit`	$426.90M	USD	2 Qtrs
Borrowings under revolving credit facilities	`ProceedsFromLinesOfCredit`	$596.40M	USD	2 Qtrs
Repayments under revolving credit facilities	`RepaymentsOfLinesOfCredit`	$432.30M	USD	2 Qtrs
Repayments under revolving credit facilities	`RepaymentsOfLinesOfCredit`	$660.00M	USD	2 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$7.40M	USD	2 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.50M	USD	2 Qtrs
Purchases of capped calls related to Convertible Senior Notes	`PaymentForOptionIndexedToIssuersEquity`	-	USD	2 Qtrs
Purchases of capped calls related to Convertible Senior Notes	`PaymentForOptionIndexedToIssuersEquity`	$5.70M	USD	2 Qtrs
Borrowings under Grundartangi casthouse debt facility	`ProceedsFromIssuanceOfSecuredDebt`	$40.00M	USD	2 Qtrs
Borrowings under Grundartangi casthouse debt facility	`ProceedsFromIssuanceOfSecuredDebt`	-	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$39.70M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-25.10M	USD	2 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-8.20M	USD	2 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-74.10M	USD	2 Qtrs
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.50M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.20M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.50M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.20M	USD	Point-in-time
Interest	`InterestPaidNet`	$13.10M	USD	2 Qtrs
Interest	`InterestPaidNet`	$25.70M	USD	2 Qtrs
Taxes	`IncomeTaxesPaid`	-	USD	2 Qtrs
Taxes	`IncomeTaxesPaid`	$1.20M	USD	2 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$2.60M	USD	2 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$2.80M	USD	2 Qtrs
Capitalized interest	`InterestPaidCapitalized`	$2.90M	USD	2 Qtrs
Capitalized interest	`InterestPaidCapitalized`	-	USD	2 Qtrs

Stockholders Equity 26 line items

Line Item	Tag	Value	Unit	Period
Balance, start	`StockholdersEquity`	$439.80M	USD	Point-in-time
Balance, start	`StockholdersEquity`	$546.10M	USD	Point-in-time
Balance, start	`StockholdersEquity`	$421.00M	USD	Point-in-time
Balance, start	`StockholdersEquity`	$370.40M	USD	Point-in-time
Balance, start	`StockholdersEquity`	$408.30M	USD	Point-in-time
Balance, start	`StockholdersEquity`	$479.00M	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$-175.10M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$37.40M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-35.10M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$55.10M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.40M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.40M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$800.00K	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.60M	USD	2 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.00M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$700.00K	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.50M	USD	2 Qtrs
Capped call premiums	`AdjustmentsToAdditionalPaidInCapitalOptionIndexedToIssuersEquityCappedCallPremium`	$4.60M	USD	1 Quarter
Capped call premiums	`AdjustmentsToAdditionalPaidInCapitalOptionIndexedToIssuersEquityCappedCallPremium`	$4.60M	USD	2 Qtrs
Balance, end	`StockholdersEquity`	$439.80M	USD	Point-in-time
Balance, end	`StockholdersEquity`	$546.10M	USD	Point-in-time
Balance, end	`StockholdersEquity`	$421.00M	USD	Point-in-time
Balance, end	`StockholdersEquity`	$370.40M	USD	Point-in-time
Balance, end	`StockholdersEquity`	$408.30M	USD	Point-in-time
Balance, end	`StockholdersEquity`	$479.00M	USD	Point-in-time

Comprehensive Income 32 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-175.10M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$37.40M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-35.10M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$55.10M	USD	2 Qtrs
Net income (loss) on foreign currency cash flow hedges reclassified as income	`ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet`	$-100.00K	USD	1 Quarter
Net income (loss) on foreign currency cash flow hedges reclassified as income	`ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet`	$-100.00K	USD	2 Qtrs
Net income (loss) on foreign currency cash flow hedges reclassified as income	`ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet`	$-100.00K	USD	2 Qtrs
Net income (loss) on foreign currency cash flow hedges reclassified as income	`ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet`	$-100.00K	USD	1 Quarter
Amortization of prior service benefit (cost) during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$-1.60M	USD	2 Qtrs
Amortization of prior service benefit (cost) during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$-800.00K	USD	1 Quarter
Amortization of prior service benefit (cost) during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$-900.00K	USD	2 Qtrs
Amortization of prior service benefit (cost) during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$-500.00K	USD	1 Quarter
Amortization of net gain (loss) during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.40M	USD	1 Quarter
Amortization of net gain (loss) during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.20M	USD	2 Qtrs
Amortization of net gain (loss) during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.50M	USD	2 Qtrs
Amortization of net gain (loss) during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.10M	USD	1 Quarter
Other comprehensive income (loss) before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.20M	USD	1 Quarter
Other comprehensive income (loss) before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$2.50M	USD	2 Qtrs
Other comprehensive income (loss) before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.50M	USD	2 Qtrs
Other comprehensive income (loss) before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$800.00K	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	$100.00K	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	$100.00K	USD	2 Qtrs
Income tax effect	`OtherComprehensiveIncomeLossTax`	$100.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.40M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.40M	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$800.00K	USD	1 Quarter
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-34.00M	USD	1 Quarter
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-172.70M	USD	2 Qtrs
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$56.50M	USD	2 Qtrs
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$38.20M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.