10-K Filing

KAISER ALUMINUM CORP CIK: 811596 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0000811596-18-000011`
Period End Date	20171231
Filing Date	20180223
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	kalu-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 81 Income Statement 137 Cash Flow Statement 148 Stockholders Equity 58 Comprehensive Income 26

Balance Sheet 81 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$51.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$72.50M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$55.20M	USD	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesCurrent`	$183.70M	USD	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesCurrent`	$231.00M	USD	Point-in-time
Trade receivables, net	`AccountsReceivableNetCurrent`	$137.70M	USD	Point-in-time
Trade receivables, net	`AccountsReceivableNetCurrent`	$165.00M	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Other	`OtherReceivables`	$11.90M	USD	Point-in-time
Other	`OtherReceivables`	$15.50M	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Inventories	`InventoryNet`	$207.90M	USD	Point-in-time
Inventories	`InventoryNet`	$201.60M	USD	Point-in-time
Preferred Stock, Shares Issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred Stock, Shares Issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$18.50M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$33.40M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$656.60M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$655.90M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$530.90M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	90.00M	shares	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$571.40M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	90.00M	shares	Point-in-time
Deferred tax assets net	`DeferredTaxAssetsNetNoncurrent`	$72.00M	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	22.39M	shares	Point-in-time
Deferred tax assets net	`DeferredTaxAssetsNetNoncurrent`	$159.70M	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	22.33M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	16.77M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	17.65M	shares	Point-in-time
Intangible assets, net	`FiniteLivedIntangibleAssetsNet`	$25.00M	USD	Point-in-time
Intangible assets, net	`FiniteLivedIntangibleAssetsNet`	$26.40M	USD	Point-in-time
Goodwill	`Goodwill`	$18.80M	USD	Point-in-time
Treasury Stock, Shares	`TreasuryStockShares`	5.62M	shares	Point-in-time
Treasury Stock, Shares	`TreasuryStockShares`	4.68M	shares	Point-in-time
Goodwill	`Goodwill`	$37.20M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$33.40M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$41.40M	USD	Point-in-time
Total	`Assets`	$1.39B	USD	Point-in-time
Total	`Assets`	$1.44B	USD	Point-in-time
Total	`Assets`	$1.25B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$75.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$90.00M	USD	Point-in-time
Accrued salaries, wages and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$42.60M	USD	Point-in-time
Accrued salaries, wages and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$49.10M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$40.10M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$40.50M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$173.10M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$165.00M	USD	Point-in-time
Net liabilities of Salaried VEBA	`NetLiabilityInRespectOfVeba`	$28.60M	USD	Point-in-time
Net liabilities of Salaried VEBA	`NetLiabilityInRespectOfVeba`	$31.90M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesGrossNoncurrent`	$3.30M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesGrossNoncurrent`	$4.30M	USD	Point-in-time
Long-term liabilities	`OtherLiabilitiesNoncurrent`	$73.20M	USD	Point-in-time
Long-term liabilities	`OtherLiabilitiesNoncurrent`	$60.00M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$368.70M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$369.60M	USD	Point-in-time
Total liabilities	`Liabilities`	$638.90M	USD	Point-in-time
Total liabilities	`Liabilities`	$638.80M	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized at both December 31, 2017 and December 31, 2016; no shares were issued and outstanding at December 31, 2017 and December 31, 2016	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized at both December 31, 2017 and December 31, 2016; no shares were issued and outstanding at December 31, 2017 and December 31, 2016	`PreferredStockValue`	-	USD	Point-in-time
Common stock, par value $0.01, 90,000,000 shares authorized at both December 31, 2017 and December 31, 2016; 22,393,537 shares issued and 16,773,586 shares outstanding at December 31, 2017; 22,332,732 shares issued and 17,651,461 shares outstanding at December 31, 2016	`CommonStockValue`	$200.00K	USD	Point-in-time
Common stock, par value $0.01, 90,000,000 shares authorized at both December 31, 2017 and December 31, 2016; 22,393,537 shares issued and 16,773,586 shares outstanding at December 31, 2017; 22,332,732 shares issued and 17,651,461 shares outstanding at December 31, 2016	`CommonStockValue`	$200.00K	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$1.06B	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$1.05B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$75.20M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$85.50M	USD	Point-in-time
Treasury stock, at cost, 5,619,951 shares at December 31, 2017 and 4,681,271 shares at December 31, 2016	`TreasuryStockValue`	$358.60M	USD	Point-in-time
Treasury stock, at cost, 5,619,951 shares at December 31, 2017 and 4,681,271 shares at December 31, 2016	`TreasuryStockValue`	$281.40M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-36.70M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-36.70M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$746.30M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$804.70M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.02B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$1.39B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$1.44B	USD	Point-in-time

Income Statement 137 line items

Line Item	Tag	Value	Unit	Period
Net sales	`SalesRevenueGoodsNet`	$331.90M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$1.39B	USD	Annual
Net sales	`SalesRevenueGoodsNet`	$1.40B	USD	Annual
Net sales	`SalesRevenueGoodsNet`	$353.10M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$1.33B	USD	Annual
Net sales	`SalesRevenueGoodsNet`	$343.20M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$355.30M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$332.80M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$334.90M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$320.60M	USD	1 Quarter
Net sales	`SalesRevenueGoodsNet`	$356.30M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$252.40M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$267.20M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$254.70M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$277.70M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$250.40M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$1.11B	USD	Annual
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$277.80M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$1.02B	USD	Annual
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$1.12B	USD	Annual
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$262.00M	USD	1 Quarter
Cost of products sold, excluding depreciation and amortization and other items	`CostOfGoodsSold`	$282.60M	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	$2.60M	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	$4.90M	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	$4.90M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$-11.90M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$18.70M	USD	Annual
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$19.40M	USD	Annual
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$15.10M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$10.90M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$2.00M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$1.80M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$5.40M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$-3.40M	USD	Annual
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$10.80M	USD	1 Quarter
Unrealized (gain) loss on derivative instruments	`UnrealizedGainsLossesOnOperationalHedgingActivities`	$4.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$32.40M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$36.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$39.70M	USD	Annual
Selling, general, administrative, research and development	`SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$88.10M	USD	Annual
Selling, general, administrative, research and development	`SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$105.00M	USD	Annual
Selling, general, administrative, research and development	`SellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$97.50M	USD	Annual
Net periodic postretirement benefit cost relating to Salaried VEBA	`DefinedBenefitPlanNetPeriodicCostBenefitVEBAs`	$4.50M	USD	Annual
Net periodic postretirement benefit cost relating to Salaried VEBA	`DefinedBenefitPlanNetPeriodicCostBenefitVEBAs`	$3.40M	USD	Annual
Net periodic postretirement benefit cost relating to Salaried VEBA	`DefinedBenefitPlanNetPeriodicCostBenefitVEBAs`	$2.40M	USD	Annual
(Gain) loss on removal of Union VEBA net assets Note 4	`DefinedBenefitPlanCurtailments`	$-100.00K	USD	Annual
(Gain) loss on removal of Union VEBA net assets Note 4	`DefinedBenefitPlanCurtailments`	-	USD	Annual
(Gain) loss on removal of Union VEBA net assets Note 4	`DefinedBenefitPlanCurtailments`	$493.40M	USD	Annual
Total selling, general, administrative, research and development	`TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$583.90M	USD	Annual
Total selling, general, administrative, research and development	`TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$102.00M	USD	Annual
Total selling, general, administrative, research and development	`TotalSellingAdministrativeResearchAndDevelopmentAndGeneralExpenses`	$108.30M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$18.40M	USD	Annual
Other operating charges, net	`OtherOperatingIncomeExpenseNet`	$-2.80M	USD	Annual
Other operating charges, net	`OtherOperatingIncomeExpenseNet`	$-100.00K	USD	Annual
Other operating charges, net	`OtherOperatingIncomeExpenseNet`	$-800.00K	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.15B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.25B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.74B	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$59.50M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$45.30M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$39.80M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$-345.90M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$57.90M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$40.00M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$29.80M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$44.80M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$150.70M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$11.40M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$177.80M	USD	Annual
Interest expense	`InterestIncomeExpenseNet`	$-20.30M	USD	Annual
Interest expense	`InterestIncomeExpenseNet`	$-22.20M	USD	Annual
Interest expense	`InterestIncomeExpenseNet`	$-24.10M	USD	Annual
Other income (expense), net Note 11	`OtherNonoperatingIncomeExpense`	$-1.80M	USD	Annual
Other income (expense), net Note 11	`OtherNonoperatingIncomeExpense`	$-10.30M	USD	Annual
Other income (expense), net Note 11	`OtherNonoperatingIncomeExpense`	$4.50M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-371.80M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$147.20M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$133.00M	USD	Annual
Income tax (provision) benefit	`IncomeTaxExpenseBenefit`	$55.50M	USD	Annual
Income tax (provision) benefit	`IncomeTaxExpenseBenefit`	$-135.20M	USD	Annual
Income tax (provision) benefit	`IncomeTaxExpenseBenefit`	$87.60M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-236.60M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$45.40M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$26.30M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$36.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$91.70M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$4.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$26.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$24.50M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$19.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-15.20M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.67	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.18	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.28	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.90	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.07	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$5.15	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.84	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.47	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.39	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.45	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-13.76	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.09	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.27	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.04	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.43	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.90	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.37	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.82	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.44	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-13.76	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.16	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.63	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	17.00M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	17.81M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	17.20M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.26M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	18.03M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.20M	shares	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.80	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.60	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.00	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter

Cash Flow Statement 148 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-236.60M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$45.40M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$26.30M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$36.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$91.70M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$4.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$26.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$24.50M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$19.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-15.20M	USD	1 Quarter
Depreciation of property, plant and equipment	`Depreciation`	$38.30M	USD	Annual
Depreciation of property, plant and equipment	`Depreciation`	$30.80M	USD	Annual
Depreciation of property, plant and equipment	`Depreciation`	$34.50M	USD	Annual
Amortization of definite-lived intangible assets	`AmortizationOfIntangibleAssets`	$1.50M	USD	Annual
Amortization of definite-lived intangible assets	`AmortizationOfIntangibleAssets`	$1.60M	USD	Annual
Amortization of definite-lived intangible assets	`AmortizationOfIntangibleAssets`	$1.40M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.20M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.10M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$4.30M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$57.40M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$89.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-131.70M	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	-	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$1.30M	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	-	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$13.30M	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$9.50M	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$11.80M	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	$2.60M	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	$4.90M	USD	Annual
Lower of cost or market inventory write-down	`InventoryWriteDown`	-	USD	1 Quarter
Lower of cost or market inventory write-down	`InventoryWriteDown`	$4.90M	USD	1 Quarter
Non-cash unrealized (gain) loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$19.40M	USD	Annual
Non-cash unrealized (gain) loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$18.70M	USD	Annual
Non-cash unrealized (gain) loss on derivative instruments	`UnrealizedGainLossOnDerivatives`	$-3.40M	USD	Annual
Non-cash impairment charges	`AssetImpairmentCharges`	$19.20M	USD	Annual
Non-cash impairment charges	`AssetImpairmentCharges`	$2.80M	USD	Annual
Non-cash impairment charges	`AssetImpairmentCharges`	$100.00K	USD	Annual
Loss on repurchase of Senior Notes	`GainLossOnRepurchaseOfDebtInstrument`	-	USD	Annual
Loss on repurchase of Senior Notes	`GainLossOnRepurchaseOfDebtInstrument`	$-11.10M	USD	Annual
Loss on repurchase of Senior Notes	`GainLossOnRepurchaseOfDebtInstrument`	$-2.50M	USD	Annual
(Gain) loss on disposition of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-300.00K	USD	Annual
(Gain) loss on disposition of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$500.00K	USD	Annual
(Gain) loss on disposition of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-200.00K	USD	Annual
Gain on disposition of available for sale securities	`GainLossOnSaleOfInvestments`	-	USD	Annual
Gain on disposition of available for sale securities	`GainLossOnSaleOfInvestments`	$2.30M	USD	Annual
Gain on disposition of available for sale securities	`GainLossOnSaleOfInvestments`	-	USD	Annual
Non-cash defined benefit net periodic benefit cost (income)	`DefinedBenefitPlanNetPeriodicBenefitCost`	$4.80M	USD	Annual
Non-cash defined benefit net periodic benefit cost (income)	`DefinedBenefitPlanNetPeriodicBenefitCost`	$3.70M	USD	Annual
Non-cash defined benefit net periodic benefit cost (income)	`DefinedBenefitPlanNetPeriodicBenefitCost`	$2.80M	USD	Annual
Non-cash loss on removal of Union VEBA, net	`NoncashLossonSettlementofUnionVEBA`	-	USD	Annual
Non-cash loss on removal of Union VEBA, net	`NoncashLossonSettlementofUnionVEBA`	$446.70M	USD	Annual
Non-cash loss on removal of Union VEBA, net	`NoncashLossonSettlementofUnionVEBA`	-	USD	Annual
Other non-cash changes in assets and liabilities	`OtherNoncashIncomeExpense`	$-600.00K	USD	Annual
Other non-cash changes in assets and liabilities	`OtherNoncashIncomeExpense`	$-1.20M	USD	Annual
Other non-cash changes in assets and liabilities	`OtherNoncashIncomeExpense`	$-3.90M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$30.90M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-17.40M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$26.80M	USD	Annual
Inventories, excluding lower of cost or market write-down	`IncreaseDecreaseInInventories`	$7.50M	USD	Annual
Inventories, excluding lower of cost or market write-down	`IncreaseDecreaseInInventories`	$-13.10M	USD	Annual
Inventories, excluding lower of cost or market write-down	`IncreaseDecreaseInInventories`	$6.30M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.70M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-500.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$8.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$3.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$13.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-13.60M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-4.70M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$12.80M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$26.20M	USD	Annual
Annual variable cash contributions to VEBAs	`OtherPostretirementBenefitsPayments`	$13.70M	USD	Annual
Annual variable cash contributions to VEBAs	`OtherPostretirementBenefitsPayments`	$19.50M	USD	Annual
Annual variable cash contributions to VEBAs	`OtherPostretirementBenefitsPayments`	$20.00M	USD	Annual
Long-term assets and liabilities, net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$2.20M	USD	Annual
Long-term assets and liabilities, net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$26.00M	USD	Annual
Long-term assets and liabilities, net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-28.20M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$141.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$165.60M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$159.70M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$75.50M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$76.10M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$63.10M	USD	Annual
Purchase of available for sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$247.50M	USD	Annual
Purchase of available for sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$500.00K	USD	Annual
Purchase of available for sale securities	`PaymentsToAcquireAvailableForSaleSecurities`	$255.30M	USD	Annual
Proceeds from disposition of available for sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$55.00M	USD	Annual
Proceeds from disposition of available for sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$296.90M	USD	Annual
Proceeds from disposition of available for sale securities	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$84.00M	USD	Annual
Proceeds from disposal of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from disposal of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from disposal of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$600.00K	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-276.40M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$20.40M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-25.50M	USD	Annual
Repayment of principal and redemption premium of 8.25% Senior Notes	`RepaymentsOfUnsecuredDebt`	$206.00M	USD	Annual
Repayment of principal and redemption premium of 8.25% Senior Notes	`RepaymentsOfUnsecuredDebt`	$30.00M	USD	Annual
Repayment of principal and redemption premium of 8.25% Senior Notes	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Issuance of 5.875% Senior Notes	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Issuance of 5.875% Senior Notes	`ProceedsFromIssuanceOfUnsecuredDebt`	$375.00M	USD	Annual
Issuance of 5.875% Senior Notes	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Repayment of Convertible Notes	`RepaymentsOfSecuredDebt`	-	USD	Annual
Repayment of Convertible Notes	`RepaymentsOfSecuredDebt`	$175.00M	USD	Annual
Repayment of Convertible Notes	`RepaymentsOfSecuredDebt`	-	USD	Annual
Proceeds from cash-settled call options related to settlement of Convertible Notes	`ProceedsFromDerivativeInstrumentFinancingActivities`	-	USD	Annual
Proceeds from cash-settled call options related to settlement of Convertible Notes	`ProceedsFromDerivativeInstrumentFinancingActivities`	-	USD	Annual
Proceeds from cash-settled call options related to settlement of Convertible Notes	`ProceedsFromDerivativeInstrumentFinancingActivities`	$94.90M	USD	Annual
Payment for conversion premium related to settlement of Convertible Notes	`PaymentsForDerivativeInstrumentFinancingActivities`	-	USD	Annual
Payment for conversion premium related to settlement of Convertible Notes	`PaymentsForDerivativeInstrumentFinancingActivities`	$94.90M	USD	Annual
Payment for conversion premium related to settlement of Convertible Notes	`PaymentsForDerivativeInstrumentFinancingActivities`	-	USD	Annual
Cash paid for debt issuance costs	`PaymentsOfFinancingCosts`	$6.80M	USD	Annual
Cash paid for debt issuance costs	`PaymentsOfFinancingCosts`	$600.00K	USD	Annual
Cash paid for debt issuance costs	`PaymentsOfFinancingCosts`	-	USD	Annual
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	$1.20M	USD	Annual
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	-	USD	Annual
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	-	USD	Annual
Repayment of capital lease	`RepaymentsOfLongTermCapitalLeaseObligations`	$400.00K	USD	Annual
Repayment of capital lease	`RepaymentsOfLongTermCapitalLeaseObligations`	-	USD	Annual
Repayment of capital lease	`RepaymentsOfLongTermCapitalLeaseObligations`	-	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	-	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$1.30M	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	-	USD	Annual
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.50M	USD	Annual
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.90M	USD	Annual
Cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.80M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$49.20M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$33.30M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$79.50M	USD	Annual
Cash dividends and dividend equivalents paid	`PaymentsOfDividendsCommonStock`	$35.00M	USD	Annual
Cash dividends and dividend equivalents paid	`PaymentsOfDividendsCommonStock`	$28.10M	USD	Annual
Cash dividends and dividend equivalents paid	`PaymentsOfDividendsCommonStock`	$32.40M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-119.40M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$94.80M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-284.40M	USD	Annual
Net decrease in cash, cash equivalents and restricted cash during the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-3.40M	USD	Annual
Net decrease in cash, cash equivalents and restricted cash during the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-104.30M	USD	Annual
Net decrease in cash, cash equivalents and restricted cash during the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-16.00M	USD	Annual
Cash, cash equivalents and restricted cash at end of period	`CashAndCashEquivalentsAtCarryingValue`	$51.10M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashAndCashEquivalentsAtCarryingValue`	$72.50M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashAndCashEquivalentsAtCarryingValue`	$55.20M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$67.70M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$64.30M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$188.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.70M	USD	Point-in-time

Stockholders Equity 58 line items

Line Item	Tag	Value	Unit	Period
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.80	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.50	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.60	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.00	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter
Cumulative Effect of New Accounting Principle in Period of Adoption	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$300.00K	USD	Point-in-time
Cumulative Effect of New Accounting Principle in Period of Adoption	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$700.00K	USD	Point-in-time
Beginning balance, shares	`CommonStockSharesOutstanding`	16.77M	shares	Point-in-time
Beginning balance, shares	`CommonStockSharesOutstanding`	17.65M	shares	Point-in-time
Beginning balance	`StockholdersEquity`	$746.30M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$804.70M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.02B	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$-236.60M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$45.40M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$26.30M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$36.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$91.70M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$4.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$26.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$24.50M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$19.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-15.20M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$64.40M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-5.00M	USD	Annual
Issuance of common shares to non-employee directors	`StockIssuedDuringPeriodValueIssuedForServices`	$200.00K	USD	Annual
Issuance of common shares to non-employee directors	`StockIssuedDuringPeriodValueIssuedForServices`	$100.00K	USD	Annual
Issuance of common shares to non-employee directors	`StockIssuedDuringPeriodValueIssuedForServices`	$200.00K	USD	Annual
Issuance of common shares to employees upon option exercises and vesting of restricted stock units and performance shares	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.20M	USD	Annual
Cancellation of shares to cover employees tax withholdings upon vesting of non-vested shares	`StockRepurchasedAndRetiredDuringPeriodValue`	$2.80M	USD	Annual
Cancellation of shares to cover employees tax withholdings upon vesting of non-vested shares	`StockRepurchasedAndRetiredDuringPeriodValue`	$2.90M	USD	Annual
Cancellation of shares to cover employees tax withholdings upon vesting of non-vested shares	`StockRepurchasedAndRetiredDuringPeriodValue`	$4.50M	USD	Annual
Repurchase of common stock, shares	`TreasuryStockSharesAcquired`	647,520.00	shares	Annual
Repurchase of common stock, shares	`TreasuryStockSharesAcquired`	443,838.00	shares	Annual
Repurchase of common stock, shares	`TreasuryStockSharesAcquired`	938,680.00	shares	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$77.80M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$49.40M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$34.90M	USD	Annual
Cash dividends on common stock	`DividendsCommonStockCash`	$28.10M	USD	Annual
Cash dividends on common stock	`DividendsCommonStockCash`	$35.00M	USD	Annual
Cash dividends on common stock	`DividendsCommonStockCash`	$32.40M	USD	Annual
Excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$1.30M	USD	Annual
Amortization of unearned equity compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$13.00M	USD	Annual
Amortization of unearned equity compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$11.70M	USD	Annual
Amortization of unearned equity compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.30M	USD	Annual
Dividends on unvested equity awards that were canceled	`RestrictedStockAwardForfeituresDividends`	$100.00K	USD	Annual
Dividends on unvested equity awards that were canceled	`RestrictedStockAwardForfeituresDividends`	$200.00K	USD	Annual
Ending balance, shares	`CommonStockSharesOutstanding`	16.77M	shares	Point-in-time
Ending balance, shares	`CommonStockSharesOutstanding`	17.65M	shares	Point-in-time
Ending balance	`StockholdersEquity`	$746.30M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$804.70M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.02B	USD	Point-in-time

Comprehensive Income 26 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-236.60M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$45.40M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$26.30M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$14.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$36.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$91.70M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$4.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$26.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$24.50M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$19.90M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-15.20M	USD	1 Quarter
Defined benefit pension plan and VEBAs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$5.80M	USD	Annual
Defined benefit pension plan and VEBAs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-65.10M	USD	Annual
Defined benefit pension plan and VEBAs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.40M	USD	Annual
Available for sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-300.00K	USD	Annual
Available for sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$900.00K	USD	Annual
Available for sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$500.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossOther`	$-100.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossOther`	$900.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossOther`	$-400.00K	USD	Annual
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$64.40M	USD	Annual
Other comprehensive (loss) income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-5.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$45.40M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-172.20M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$86.70M	USD	Annual

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