10-Q Filing

CENTURY ALUMINUM CO CIK: 949157 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0001628280-25-050200`
Period End Date	20250930
Filing Date	20251106
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	cenx-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 148 Income Statement 168 Cash Flow Statement 176 Stockholders Equity 66 Comprehensive Income 88

Balance Sheet 148 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$151.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$151.40M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.80M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.80M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$1.40M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$1.40M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$75.80M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$75.80M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$116.90M	USD	Point-in-time
Accounts receivable - net	`AccountsReceivableNetCurrent`	$116.90M	USD	Point-in-time
Non-trade receivables	`NontradeReceivablesCurrent`	$13.20M	USD	Point-in-time
Non-trade receivables	`NontradeReceivablesCurrent`	$13.20M	USD	Point-in-time
Non-trade receivables	`NontradeReceivablesCurrent`	-	USD	Point-in-time
Non-trade receivables	`NontradeReceivablesCurrent`	-	USD	Point-in-time
Manufacturing credit receivable	`ManufacturingCreditReceivableCurrent`	$81.50M	USD	Point-in-time
Manufacturing credit receivable	`ManufacturingCreditReceivableCurrent`	$81.50M	USD	Point-in-time
Manufacturing credit receivable	`ManufacturingCreditReceivableCurrent`	$156.60M	USD	Point-in-time
Manufacturing credit receivable	`ManufacturingCreditReceivableCurrent`	$156.60M	USD	Point-in-time
Inventories	`InventoryNet`	$539.00M	USD	Point-in-time
Inventories	`InventoryNet`	$539.00M	USD	Point-in-time
Inventories	`InventoryNet`	$556.70M	USD	Point-in-time
Inventories	`InventoryNet`	$556.70M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$4.20M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$4.20M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$3.30M	USD	Point-in-time
Derivative assets	`DerivativeAssetsCurrent`	$3.30M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.30M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.30M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$25.10M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$25.10M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$802.80M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$802.80M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.03B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.03B	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$978.30M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$978.30M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$972.20M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$972.20M	USD	Point-in-time
Manufacturing credit receivable - less current portion	`ManufacturingCreditReceivableNoncurrent`	$70.40M	USD	Point-in-time
Manufacturing credit receivable - less current portion	`ManufacturingCreditReceivableNoncurrent`	$70.40M	USD	Point-in-time
Manufacturing credit receivable - less current portion	`ManufacturingCreditReceivableNoncurrent`	$63.80M	USD	Point-in-time
Manufacturing credit receivable - less current portion	`ManufacturingCreditReceivableNoncurrent`	$63.80M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$87.90M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$87.90M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$71.10M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$71.10M	USD	Point-in-time
Total assets	`Assets`	$1.94B	USD	Point-in-time
Total assets	`Assets`	$1.94B	USD	Point-in-time
Total assets	`Assets`	$2.13B	USD	Point-in-time
Total assets	`Assets`	$2.13B	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$187.30M	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$187.30M	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$207.40M	USD	Point-in-time
Accounts payable, trade	`AccountsPayableTradeCurrent`	$207.40M	USD	Point-in-time
Non-trade payables	`NonTradePayableCurrent`	-	USD	Point-in-time
Non-trade payables	`NonTradePayableCurrent`	-	USD	Point-in-time
Non-trade payables	`NonTradePayableCurrent`	$11.80M	USD	Point-in-time
Non-trade payables	`NonTradePayableCurrent`	$11.80M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$49.80M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$49.80M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$52.40M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$52.40M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$42.00M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$42.00M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$73.60M	USD	Point-in-time
Accrued and other current liabilities	`AccruedLiabilitiesCurrent`	$73.60M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$4.40M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$4.40M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$37.50M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$37.50M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$463.70M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$463.70M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$599.10M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$599.10M	USD	Point-in-time
Accrued benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$130.40M	USD	Point-in-time
Accrued benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$130.40M	USD	Point-in-time
Accrued benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$121.80M	USD	Point-in-time
Accrued benefits costs - less current portion	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$121.80M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$92.60M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$92.60M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$102.70M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$102.70M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$71.20M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$71.20M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$70.10M	USD	Point-in-time
Deferred taxes	`DeferredIncomeTaxLiabilitiesNet`	$70.10M	USD	Point-in-time
Asset retirement obligations - less current portion	`AssetRetirementObligationsNoncurrent`	$61.50M	USD	Point-in-time
Asset retirement obligations - less current portion	`AssetRetirementObligationsNoncurrent`	$61.50M	USD	Point-in-time
Asset retirement obligations - less current portion	`AssetRetirementObligationsNoncurrent`	$63.90M	USD	Point-in-time
Asset retirement obligations - less current portion	`AssetRetirementObligationsNoncurrent`	$63.90M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$813.00M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$813.00M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$837.70M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$837.70M	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock (Note 13)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock (Note 13)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock (Note 13)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock (Note 13)	`PreferredStockValue`	-	USD	Point-in-time
Common stock (Note 13)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock (Note 13)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock (Note 13)	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock (Note 13)	`CommonStockValue`	$1.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.55B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.55B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.55B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.55B	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
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`	$-103.30M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-103.30M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-98.60M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-98.60M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.67B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.67B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.63B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-1.63B	USD	Point-in-time
Total Century shareholders equity	`StockholdersEquity`	$694.40M	USD	Point-in-time
Total Century shareholders equity	`StockholdersEquity`	$694.40M	USD	Point-in-time
Total Century shareholders equity	`StockholdersEquity`	$741.80M	USD	Point-in-time
Total Century shareholders equity	`StockholdersEquity`	$741.80M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$-31.70M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$-31.70M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$-44.40M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$-44.40M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.94B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.94B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$2.13B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$2.13B	USD	Point-in-time

Income Statement 168 line items

Line Item	Tag	Value	Unit	Period
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$539.10M	USD	1 Quarter
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$539.10M	USD	1 Quarter
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.59B	USD	3 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.59B	USD	3 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$632.20M	USD	1 Quarter
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$632.20M	USD	1 Quarter
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.89B	USD	3 Qtrs
Total net sales	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.89B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$457.30M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$457.30M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.47B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.47B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$554.90M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$554.90M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.72B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.72B	USD	3 Qtrs
Gross profit	`GrossProfit`	$81.80M	USD	1 Quarter
Gross profit	`GrossProfit`	$81.80M	USD	1 Quarter
Gross profit	`GrossProfit`	$118.70M	USD	3 Qtrs
Gross profit	`GrossProfit`	$118.70M	USD	3 Qtrs
Gross profit	`GrossProfit`	$77.30M	USD	1 Quarter
Gross profit	`GrossProfit`	$77.30M	USD	1 Quarter
Gross profit	`GrossProfit`	$174.10M	USD	3 Qtrs
Gross profit	`GrossProfit`	$174.10M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$15.60M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$15.60M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$42.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$42.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$17.90M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$17.90M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$44.40M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$44.40M	USD	3 Qtrs
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-2.40M	USD	1 Quarter
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-2.40M	USD	1 Quarter
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-4.60M	USD	3 Qtrs
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-4.60M	USD	3 Qtrs
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-1.10M	USD	1 Quarter
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-1.10M	USD	1 Quarter
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-4.60M	USD	3 Qtrs
Other operating expenses - net	`OtherOperatingIncomeExpenseNet`	$-4.60M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$63.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$63.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$72.10M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$72.10M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$58.30M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$58.30M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$125.10M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$125.10M	USD	3 Qtrs
Interest income	`InterestIncomeOther`	$400.00K	USD	1 Quarter
Interest income	`InterestIncomeOther`	$400.00K	USD	1 Quarter
Interest income	`InterestIncomeOther`	$1.70M	USD	3 Qtrs
Interest income	`InterestIncomeOther`	$1.70M	USD	3 Qtrs
Interest income	`InterestIncomeOther`	$2.80M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$2.80M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$6.50M	USD	3 Qtrs
Interest income	`InterestIncomeOther`	$6.50M	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	$245.90M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	$245.90M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	3 Qtrs
Other loss - net	`OtherNonoperatingIncomeExpense`	$-4.00M	USD	1 Quarter
Other loss - net	`OtherNonoperatingIncomeExpense`	$-4.00M	USD	1 Quarter
Other loss - net	`OtherNonoperatingIncomeExpense`	$-4.40M	USD	3 Qtrs
Other loss - net	`OtherNonoperatingIncomeExpense`	$-4.40M	USD	3 Qtrs
Other loss - net	`OtherNonoperatingIncomeExpense`	$-2.20M	USD	1 Quarter
Other loss - net	`OtherNonoperatingIncomeExpense`	$-2.20M	USD	1 Quarter
Other loss - net	`OtherNonoperatingIncomeExpense`	$-11.30M	USD	3 Qtrs
Other loss - net	`OtherNonoperatingIncomeExpense`	$-11.30M	USD	3 Qtrs
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$44.30M	USD	1 Quarter
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$44.30M	USD	1 Quarter
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$283.30M	USD	3 Qtrs
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$283.30M	USD	3 Qtrs
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$9.50M	USD	1 Quarter
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$9.50M	USD	1 Quarter
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$26.40M	USD	3 Qtrs
Income before income taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$26.40M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$2.00M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$2.00M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$3.00M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$3.00M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-1.10M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-1.10M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-800.00K	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-800.00K	USD	3 Qtrs
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-5.00M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-11.30M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-11.30M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.30M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.30M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-12.80M	USD	3 Qtrs
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-12.80M	USD	3 Qtrs
Net income attributable to Century stockholders	`NetIncomeLoss`	$47.30M	USD	1 Quarter
Net income attributable to Century stockholders	`NetIncomeLoss`	$47.30M	USD	1 Quarter
Net income attributable to Century stockholders	`NetIncomeLoss`	$291.60M	USD	3 Qtrs
Net income attributable to Century stockholders	`NetIncomeLoss`	$291.60M	USD	3 Qtrs
Net income attributable to Century stockholders	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income attributable to Century stockholders	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income attributable to Century stockholders	`NetIncomeLoss`	$40.00M	USD	3 Qtrs
Net income attributable to Century stockholders	`NetIncomeLoss`	$40.00M	USD	3 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$2.50M	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$2.50M	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$15.50M	USD	3 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$15.50M	USD	3 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$800.00K	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$800.00K	USD	1 Quarter
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$2.00M	USD	3 Qtrs
Less: net income allocated to participating securities	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$2.00M	USD	3 Qtrs
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$44.80M	USD	1 Quarter
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$44.80M	USD	1 Quarter
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$276.10M	USD	3 Qtrs
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$276.10M	USD	3 Qtrs
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$14.10M	USD	1 Quarter
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$14.10M	USD	1 Quarter
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$38.00M	USD	3 Qtrs
Net income allocated to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$38.00M	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.48	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.48	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.98	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.98	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.41	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.41	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.46	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.46	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.83	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.83	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.40	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.40	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	92.80M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	92.80M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	92.70M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	92.70M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	93.30M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	93.30M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	93.30M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	93.30M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	98.40M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	98.40M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	98.80M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	98.80M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	99.20M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	99.20M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	94.60M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	94.60M	shares	3 Qtrs

Cash Flow Statement 176 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Unrealized loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-800.00K	USD	3 Qtrs
Unrealized loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-800.00K	USD	3 Qtrs
Unrealized loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-35.20M	USD	3 Qtrs
Unrealized loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-35.20M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.80M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.80M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$61.60M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$61.60M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$8.10M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$8.10M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$14.20M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$14.20M	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	1 Quarter
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	3 Qtrs
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.20M	USD	3 Qtrs
Change in deferred tax provision	`DeferredIncomeTaxExpenseBenefit`	$1.70M	USD	3 Qtrs
Change in deferred tax provision	`DeferredIncomeTaxExpenseBenefit`	$1.70M	USD	3 Qtrs
Change in deferred tax provision	`DeferredIncomeTaxExpenseBenefit`	$-1.20M	USD	3 Qtrs
Change in deferred tax provision	`DeferredIncomeTaxExpenseBenefit`	$-1.20M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	$245.90M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	$245.90M	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	1 Quarter
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	3 Qtrs
Bargain purchase gain	`BusinessCombinationBargainPurchaseGainRecognizedAmount`	-	USD	3 Qtrs
Other non-cash items - net	`OtherNoncashIncomeExpense`	$5.70M	USD	3 Qtrs
Other non-cash items - net	`OtherNoncashIncomeExpense`	$5.70M	USD	3 Qtrs
Other non-cash items - net	`OtherNoncashIncomeExpense`	$-6.00M	USD	3 Qtrs
Other non-cash items - net	`OtherNoncashIncomeExpense`	$-6.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$15.90M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$15.90M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$27.30M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$27.30M	USD	3 Qtrs
Non-trade payables	`IncreaseDecreaseInNontradePayables`	$7.10M	USD	3 Qtrs
Non-trade payables	`IncreaseDecreaseInNontradePayables`	$7.10M	USD	3 Qtrs
Non-trade payables	`IncreaseDecreaseInNontradePayables`	$12.60M	USD	3 Qtrs
Non-trade payables	`IncreaseDecreaseInNontradePayables`	$12.60M	USD	3 Qtrs
Manufacturing credit receivable	`IncreaseDecreaseInManufacturingCreditsReceivable`	$71.90M	USD	3 Qtrs
Manufacturing credit receivable	`IncreaseDecreaseInManufacturingCreditsReceivable`	$71.90M	USD	3 Qtrs
Manufacturing credit receivable	`IncreaseDecreaseInManufacturingCreditsReceivable`	$68.50M	USD	3 Qtrs
Manufacturing credit receivable	`IncreaseDecreaseInManufacturingCreditsReceivable`	$68.50M	USD	3 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$-8.30M	USD	3 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$-8.30M	USD	3 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$-9.40M	USD	3 Qtrs
Due from affiliates	`IncreaseDecreaseInDueFromRelatedPartiesCurrent`	$-9.40M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$67.50M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$67.50M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$16.60M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$16.60M	USD	3 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-9.60M	USD	3 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-9.60M	USD	3 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-3.70M	USD	3 Qtrs
Prepaid and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-3.70M	USD	3 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$40.10M	USD	3 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$40.10M	USD	3 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$34.80M	USD	3 Qtrs
Accounts payable, trade	`IncreaseDecreaseInAccountsPayableTrade`	$34.80M	USD	3 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$6.60M	USD	3 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$6.60M	USD	3 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$-6.90M	USD	3 Qtrs
Due to affiliates	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$-6.90M	USD	3 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-3.90M	USD	3 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-3.90M	USD	3 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$600.00K	USD	3 Qtrs
Accrued and other current liabilities	`IncreaseDecreaseInAccruedLiabilities`	$600.00K	USD	3 Qtrs
Ravenswood retiree medical settlement	`IncreaseDecreaseInEstimatedLitigationLiability`	$-2.00M	USD	3 Qtrs
Ravenswood retiree medical settlement	`IncreaseDecreaseInEstimatedLitigationLiability`	$-2.00M	USD	3 Qtrs
Ravenswood retiree medical settlement	`IncreaseDecreaseInEstimatedLitigationLiability`	$-2.00M	USD	3 Qtrs
Ravenswood retiree medical settlement	`IncreaseDecreaseInEstimatedLitigationLiability`	$-2.00M	USD	3 Qtrs
Other - net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-2.20M	USD	3 Qtrs
Other - net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-2.20M	USD	3 Qtrs
Other - net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.80M	USD	3 Qtrs
Other - net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.80M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$16.80M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$16.80M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$82.20M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$82.20M	USD	3 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$69.10M	USD	3 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$69.10M	USD	3 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$65.10M	USD	3 Qtrs
Purchase of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$65.10M	USD	3 Qtrs
Proceeds for joint venture partner's share of co-tenancy assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	3 Qtrs
Proceeds for joint venture partner's share of co-tenancy assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	3 Qtrs
Proceeds for joint venture partner's share of co-tenancy assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$15.40M	USD	3 Qtrs
Proceeds for joint venture partner's share of co-tenancy assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$15.40M	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfOtherProductiveAssets`	$2.30M	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfOtherProductiveAssets`	$2.30M	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfOtherProductiveAssets`	-	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfOtherProductiveAssets`	-	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-66.80M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-66.80M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.70M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.70M	USD	3 Qtrs
Repayment of Senior Notes due 2028	`RepaymentsOfSeniorDebt`	-	USD	3 Qtrs
Repayment of Senior Notes due 2028	`RepaymentsOfSeniorDebt`	-	USD	3 Qtrs
Repayment of Senior Notes due 2028	`RepaymentsOfSeniorDebt`	$250.00M	USD	3 Qtrs
Repayment of Senior Notes due 2028	`RepaymentsOfSeniorDebt`	$250.00M	USD	3 Qtrs
Early redemption premiums paid	`PaymentsOfDebtExtinguishmentCosts`	-	USD	3 Qtrs
Early redemption premiums paid	`PaymentsOfDebtExtinguishmentCosts`	-	USD	3 Qtrs
Early redemption premiums paid	`PaymentsOfDebtExtinguishmentCosts`	$4.70M	USD	3 Qtrs
Early redemption premiums paid	`PaymentsOfDebtExtinguishmentCosts`	$4.70M	USD	3 Qtrs
Proceeds from issuance of Senior Notes due 2032	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	3 Qtrs
Proceeds from issuance of Senior Notes due 2032	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	3 Qtrs
Proceeds from issuance of Senior Notes due 2032	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$400.00M	USD	3 Qtrs
Proceeds from issuance of Senior Notes due 2032	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$400.00M	USD	3 Qtrs
Payment of deferred financing fees	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Payment of deferred financing fees	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Payment of deferred financing fees	`PaymentsOfDebtIssuanceCosts`	$6.30M	USD	3 Qtrs
Payment of deferred financing fees	`PaymentsOfDebtIssuanceCosts`	$6.30M	USD	3 Qtrs
Carbon credit proceeds	`ProceedsFromCreditSaleFinancingActivities`	-	USD	3 Qtrs
Carbon credit proceeds	`ProceedsFromCreditSaleFinancingActivities`	-	USD	3 Qtrs
Carbon credit proceeds	`ProceedsFromCreditSaleFinancingActivities`	$28.10M	USD	3 Qtrs
Carbon credit proceeds	`ProceedsFromCreditSaleFinancingActivities`	$28.10M	USD	3 Qtrs
Carbon credit repayments	`RepaymentOfCreditSaleFinancingActivities`	$10.00M	USD	3 Qtrs
Carbon credit repayments	`RepaymentOfCreditSaleFinancingActivities`	$10.00M	USD	3 Qtrs
Carbon credit repayments	`RepaymentOfCreditSaleFinancingActivities`	$28.30M	USD	3 Qtrs
Carbon credit repayments	`RepaymentOfCreditSaleFinancingActivities`	$28.30M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-4.90M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-4.90M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$84.60M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$84.60M	USD	3 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-54.90M	USD	3 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-54.90M	USD	3 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$117.10M	USD	3 Qtrs
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$117.10M	USD	3 Qtrs
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$90.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$90.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.40M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.40M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$152.80M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$152.80M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$90.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$90.30M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.40M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.40M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$152.80M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$152.80M	USD	Point-in-time
Interest	`InterestPaidNet`	$22.10M	USD	3 Qtrs
Interest	`InterestPaidNet`	$22.10M	USD	3 Qtrs
Interest	`InterestPaidNet`	$30.90M	USD	3 Qtrs
Interest	`InterestPaidNet`	$30.90M	USD	3 Qtrs
Taxes, net of refunds	`IncomeTaxesPaidNet`	$5.50M	USD	3 Qtrs
Taxes, net of refunds	`IncomeTaxesPaidNet`	$5.50M	USD	3 Qtrs
Taxes, net of refunds	`IncomeTaxesPaidNet`	$600.00K	USD	3 Qtrs
Taxes, net of refunds	`IncomeTaxesPaidNet`	$600.00K	USD	3 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$3.00M	USD	3 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$3.00M	USD	3 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$2.70M	USD	3 Qtrs
Capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$2.70M	USD	3 Qtrs
Capitalized interest	`InterestPaidCapitalized`	$3.40M	USD	3 Qtrs
Capitalized interest	`InterestPaidCapitalized`	$3.40M	USD	3 Qtrs
Capitalized interest	`InterestPaidCapitalized`	-	USD	3 Qtrs
Capitalized interest	`InterestPaidCapitalized`	-	USD	3 Qtrs
Distribution of property, plant and equipment to NCI	`DistributionOfPropertyPlantAndEquipmentToNoncontrollingInterestNoncash`	$16.10M	USD	3 Qtrs
Distribution of property, plant and equipment to NCI	`DistributionOfPropertyPlantAndEquipmentToNoncontrollingInterestNoncash`	$16.10M	USD	3 Qtrs
Distribution of property, plant and equipment to NCI	`DistributionOfPropertyPlantAndEquipmentToNoncontrollingInterestNoncash`	$3.10M	USD	3 Qtrs
Distribution of property, plant and equipment to NCI	`DistributionOfPropertyPlantAndEquipmentToNoncontrollingInterestNoncash`	$3.10M	USD	3 Qtrs

Stockholders Equity 66 line items

Line Item	Tag	Value	Unit	Period
Cost of goods sold	`CostOfGoodsAndServicesSold`	$457.30M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$457.30M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.47B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.47B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$554.90M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$554.90M	USD	1 Quarter
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.72B	USD	3 Qtrs
Cost of goods sold	`CostOfGoodsAndServicesSold`	$1.72B	USD	3 Qtrs
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	93.29M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	93.29M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	93.34M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	93.34M	shares	Point-in-time
Net income (loss)	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$27.20M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.70M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.70M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$4.70M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$4.70M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.60M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.60M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.40M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.40M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.00M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.00M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.80M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.80M	USD	3 Qtrs
Noncontrolling interest	`NoncontrollingInterestDecreaseFromBusinessCombination`	$800.00K	USD	3 Qtrs
Noncontrolling interest	`NoncontrollingInterestDecreaseFromBusinessCombination`	$800.00K	USD	3 Qtrs
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$344.10M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$582.90M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$628.50M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$662.70M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$684.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$697.40M	USD	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	93.29M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	93.29M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	93.34M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	93.34M	shares	Point-in-time

Comprehensive Income 88 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$42.30M	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$280.30M	USD	3 Qtrs
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$10.60M	USD	1 Quarter
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net income	`ProfitLoss`	$27.20M	USD	3 Qtrs
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-100.00K	USD	3 Qtrs
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-100.00K	USD	3 Qtrs
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-100.00K	USD	3 Qtrs
Net loss on foreign currency cash flow hedges reclassified as income	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-100.00K	USD	3 Qtrs
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-3.40M	USD	3 Qtrs
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-3.40M	USD	3 Qtrs
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	3 Qtrs
Net loss arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	3 Qtrs
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	1 Quarter
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	1 Quarter
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	3 Qtrs
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	3 Qtrs
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	1 Quarter
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$100.00K	USD	1 Quarter
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$200.00K	USD	3 Qtrs
Amortization of prior service benefit during the period	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax`	$200.00K	USD	3 Qtrs
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.60M	USD	1 Quarter
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.60M	USD	1 Quarter
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.90M	USD	3 Qtrs
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.90M	USD	3 Qtrs
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.40M	USD	1 Quarter
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.40M	USD	1 Quarter
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.60M	USD	3 Qtrs
Amortization of net loss during the period	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.60M	USD	3 Qtrs
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.70M	USD	1 Quarter
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.70M	USD	1 Quarter
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.50M	USD	3 Qtrs
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.50M	USD	3 Qtrs
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.50M	USD	1 Quarter
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$1.50M	USD	1 Quarter
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$4.70M	USD	3 Qtrs
Other comprehensive income before income tax effect	`OtherComprehensiveIncomeLossBeforeTax`	$4.70M	USD	3 Qtrs
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	3 Qtrs
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	3 Qtrs
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	1 Quarter
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	3 Qtrs
Income tax effect	`OtherComprehensiveIncomeLossTax`	-	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.70M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.70M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.50M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$4.70M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$4.70M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$44.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$44.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$281.80M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$281.80M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$12.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$12.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$31.90M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$31.90M	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-5.00M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-5.00M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-11.30M	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-11.30M	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-4.30M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-4.30M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-12.80M	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-12.80M	USD	3 Qtrs
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$49.00M	USD	1 Quarter
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$49.00M	USD	1 Quarter
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$293.10M	USD	3 Qtrs
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$293.10M	USD	3 Qtrs
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$16.40M	USD	1 Quarter
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$16.40M	USD	1 Quarter
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$44.70M	USD	3 Qtrs
Comprehensive income attributable to Century stockholders	`ComprehensiveIncomeNetOfTax`	$44.70M	USD	3 Qtrs

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