10-Q Filing

CORE NATURAL RESOURCES, INC. CIK: 1710366 Q1 2024

Filing Information

Form Type	10-Q
Accession Number	`0001710366-24-000012`
Period End Date	20240331
Filing Date	20240507
Fiscal Year	2024
Fiscal Period	Q1
XBRL Instance	ceix-20240331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 176 Income Statement 56 Cash Flow Statement 144 Stockholders Equity 74 Comprehensive Income 28

Balance Sheet 176 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	62.50M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	62.50M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	62.50M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	62.50M	shares	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$192.83M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$192.83M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$172.55M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$172.55M	USD	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	29.91M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	29.91M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	29.40M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	29.40M	shares	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$199.37M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$199.37M	USD	Point-in-time
Short-Term Investments	`DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent`	$81.93M	USD	Point-in-time
Short-Term Investments	`DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent`	$81.93M	USD	Point-in-time
Common stock, shares, outstanding	`CommonStockSharesOutstanding`	29.91M	shares	Point-in-time
Common stock, shares, outstanding	`CommonStockSharesOutstanding`	29.91M	shares	Point-in-time
Common stock, shares, outstanding	`CommonStockSharesOutstanding`	29.40M	shares	Point-in-time
Common stock, shares, outstanding	`CommonStockSharesOutstanding`	29.40M	shares	Point-in-time
Short-Term Investments	`DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent`	$82.58M	USD	Point-in-time
Short-Term Investments	`DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent`	$82.58M	USD	Point-in-time
Trade Receivables, net	`AccountsReceivableNetCurrent`	$147.61M	USD	Point-in-time
Trade Receivables, net	`AccountsReceivableNetCurrent`	$147.61M	USD	Point-in-time
Trade Receivables, net	`AccountsReceivableNetCurrent`	$163.54M	USD	Point-in-time
Trade Receivables, net	`AccountsReceivableNetCurrent`	$163.54M	USD	Point-in-time
Other Receivables, net	`OtherReceivablesNetCurrent`	$16.46M	USD	Point-in-time
Other Receivables, net	`OtherReceivablesNetCurrent`	$16.46M	USD	Point-in-time
Other Receivables, net	`OtherReceivablesNetCurrent`	$12.77M	USD	Point-in-time
Other Receivables, net	`OtherReceivablesNetCurrent`	$12.77M	USD	Point-in-time
Inventories	`InventoryNet`	$88.15M	USD	Point-in-time
Inventories	`InventoryNet`	$88.15M	USD	Point-in-time
Inventories	`InventoryNet`	$109.49M	USD	Point-in-time
Inventories	`InventoryNet`	$109.49M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$69.09M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$69.09M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$71.17M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$71.17M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$601.01M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$601.01M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$613.71M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$613.71M	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$5.55B	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$5.55B	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$5.59B	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$5.59B	USD	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.65B	USD	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.65B	USD	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.70B	USD	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.70B	USD	Point-in-time
Total Property, Plant and EquipmentNet	`PropertyPlantAndEquipmentNet`	$1.90B	USD	Point-in-time
Total Property, Plant and EquipmentNet	`PropertyPlantAndEquipmentNet`	$1.90B	USD	Point-in-time
Total Property, Plant and EquipmentNet	`PropertyPlantAndEquipmentNet`	$1.89B	USD	Point-in-time
Total Property, Plant and EquipmentNet	`PropertyPlantAndEquipmentNet`	$1.89B	USD	Point-in-time
Right of Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$14.66M	USD	Point-in-time
Right of Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$14.66M	USD	Point-in-time
Right of Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$13.44M	USD	Point-in-time
Right of Use Asset - Operating Leases	`OperatingLeaseRightOfUseAsset`	$13.44M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$47.25M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$47.25M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$48.81M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$48.81M	USD	Point-in-time
Other Noncurrent Assets, net	`OtherAssetsMiscellaneousNoncurrent`	$109.49M	USD	Point-in-time
Other Noncurrent Assets, net	`OtherAssetsMiscellaneousNoncurrent`	$109.49M	USD	Point-in-time
Other Noncurrent Assets, net	`OtherAssetsMiscellaneousNoncurrent`	$108.97M	USD	Point-in-time
Other Noncurrent Assets, net	`OtherAssetsMiscellaneousNoncurrent`	$108.97M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$171.74M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$171.74M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$170.87M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$170.87M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.68B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.68B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.68B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.68B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.70B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.70B	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$137.24M	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$137.24M	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$139.30M	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$139.30M	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$8.55M	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$8.55M	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$11.11M	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$11.11M	USD	Point-in-time
Operating Lease Liability, Current Portion	`OperatingLeaseLiabilityCurrent`	$4.77M	USD	Point-in-time
Operating Lease Liability, Current Portion	`OperatingLeaseLiabilityCurrent`	$4.77M	USD	Point-in-time
Operating Lease Liability, Current Portion	`OperatingLeaseLiabilityCurrent`	$4.47M	USD	Point-in-time
Operating Lease Liability, Current Portion	`OperatingLeaseLiabilityCurrent`	$4.47M	USD	Point-in-time
Other Accrued Liabilities	`AccruedLiabilitiesCurrent`	$290.61M	USD	Point-in-time
Other Accrued Liabilities	`AccruedLiabilitiesCurrent`	$290.61M	USD	Point-in-time
Other Accrued Liabilities	`AccruedLiabilitiesCurrent`	$264.98M	USD	Point-in-time
Other Accrued Liabilities	`AccruedLiabilitiesCurrent`	$264.98M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$443.72M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$443.72M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$417.30M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$417.30M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$181.95M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$181.95M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$181.88M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$181.88M	USD	Point-in-time
Finance Lease Obligations	`FinanceLeaseLiabilityNoncurrent`	$3.52M	USD	Point-in-time
Finance Lease Obligations	`FinanceLeaseLiabilityNoncurrent`	$3.52M	USD	Point-in-time
Finance Lease Obligations	`FinanceLeaseLiabilityNoncurrent`	$4.18M	USD	Point-in-time
Finance Lease Obligations	`FinanceLeaseLiabilityNoncurrent`	$4.18M	USD	Point-in-time
Total Long-Term Debt	`LongTermDebtAndCapitalLeaseObligations`	$185.47M	USD	Point-in-time
Total Long-Term Debt	`LongTermDebtAndCapitalLeaseObligations`	$185.47M	USD	Point-in-time
Total Long-Term Debt	`LongTermDebtAndCapitalLeaseObligations`	$186.07M	USD	Point-in-time
Total Long-Term Debt	`LongTermDebtAndCapitalLeaseObligations`	$186.07M	USD	Point-in-time
Postretirement Benefits Other Than Pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$206.90M	USD	Point-in-time
Postretirement Benefits Other Than Pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$206.90M	USD	Point-in-time
Postretirement Benefits Other Than Pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$207.91M	USD	Point-in-time
Postretirement Benefits Other Than Pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$207.91M	USD	Point-in-time
Pneumoconiosis Benefits	`EmployeeRelatedLiabilitiesMedicalAndDisabilityBenefitsNoncurrent`	$153.98M	USD	Point-in-time
Pneumoconiosis Benefits	`EmployeeRelatedLiabilitiesMedicalAndDisabilityBenefitsNoncurrent`	$153.98M	USD	Point-in-time
Pneumoconiosis Benefits	`EmployeeRelatedLiabilitiesMedicalAndDisabilityBenefitsNoncurrent`	$154.94M	USD	Point-in-time
Pneumoconiosis Benefits	`EmployeeRelatedLiabilitiesMedicalAndDisabilityBenefitsNoncurrent`	$154.94M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$212.62M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$212.62M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$211.76M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$211.76M	USD	Point-in-time
Workers Compensation	`WorkersCompensationLiabilityNoncurrent`	$39.14M	USD	Point-in-time
Workers Compensation	`WorkersCompensationLiabilityNoncurrent`	$39.14M	USD	Point-in-time
Workers Compensation	`WorkersCompensationLiabilityNoncurrent`	$39.44M	USD	Point-in-time
Workers Compensation	`WorkersCompensationLiabilityNoncurrent`	$39.44M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$20.81M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$20.81M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$20.77M	USD	Point-in-time
Salary Retirement	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$20.77M	USD	Point-in-time
Operating Lease Liability	`OperatingLeaseLiabilityNoncurrent`	$9.52M	USD	Point-in-time
Operating Lease Liability	`OperatingLeaseLiabilityNoncurrent`	$9.52M	USD	Point-in-time
Operating Lease Liability	`OperatingLeaseLiabilityNoncurrent`	$10.38M	USD	Point-in-time
Operating Lease Liability	`OperatingLeaseLiabilityNoncurrent`	$10.38M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$36.29M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$36.29M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$36.22M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$36.22M	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$19.74M	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$19.74M	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$9.88M	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$9.88M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$688.54M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$688.54M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$701.77M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$701.77M	USD	Point-in-time
TOTAL LIABILITIES	`Liabilities`	$1.33B	USD	Point-in-time
TOTAL LIABILITIES	`Liabilities`	$1.33B	USD	Point-in-time
TOTAL LIABILITIES	`Liabilities`	$1.29B	USD	Point-in-time
TOTAL LIABILITIES	`Liabilities`	$1.29B	USD	Point-in-time
Common Stock, $0.01 Par Value; 62,500,000 Shares Authorized, 29,395,337 Shares Issued and Outstanding at March 31, 2024; 29,910,439 Shares Issued and Outstanding at December 31, 2023	`CommonStockValue`	$294.00K	USD	Point-in-time
Common Stock, $0.01 Par Value; 62,500,000 Shares Authorized, 29,395,337 Shares Issued and Outstanding at March 31, 2024; 29,910,439 Shares Issued and Outstanding at December 31, 2023	`CommonStockValue`	$294.00K	USD	Point-in-time
Common Stock, $0.01 Par Value; 62,500,000 Shares Authorized, 29,395,337 Shares Issued and Outstanding at March 31, 2024; 29,910,439 Shares Issued and Outstanding at December 31, 2023	`CommonStockValue`	$299.00K	USD	Point-in-time
Common Stock, $0.01 Par Value; 62,500,000 Shares Authorized, 29,395,337 Shares Issued and Outstanding at March 31, 2024; 29,910,439 Shares Issued and Outstanding at December 31, 2023	`CommonStockValue`	$299.00K	USD	Point-in-time
Capital in Excess of Par Value	`AdditionalPaidInCapital`	$536.16M	USD	Point-in-time
Capital in Excess of Par Value	`AdditionalPaidInCapital`	$536.16M	USD	Point-in-time
Capital in Excess of Par Value	`AdditionalPaidInCapital`	$547.86M	USD	Point-in-time
Capital in Excess of Par Value	`AdditionalPaidInCapital`	$547.86M	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$1.00B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$1.00B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$944.34M	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$944.34M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-148.80M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-148.80M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-149.06M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-149.06M	USD	Point-in-time
TOTAL EQUITY	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
TOTAL EQUITY	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
TOTAL EQUITY	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.34B	USD	Point-in-time
TOTAL EQUITY	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.34B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$2.68B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$2.68B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$2.68B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$2.68B	USD	Point-in-time

Income Statement 56 line items

Line Item	Tag	Value	Unit	Period
Total Revenue and Other Income	`Revenues`	$565.04M	USD	1 Quarter
Total Revenue and Other Income	`Revenues`	$565.04M	USD	1 Quarter
Total Revenue and Other Income	`Revenues`	$688.61M	USD	1 Quarter
Total Revenue and Other Income	`Revenues`	$688.61M	USD	1 Quarter
Operating and Other Costs	`OperatingCostsAndExpenses`	$293.43M	USD	1 Quarter
Operating and Other Costs	`OperatingCostsAndExpenses`	$293.43M	USD	1 Quarter
Operating and Other Costs	`OperatingCostsAndExpenses`	$260.63M	USD	1 Quarter
Operating and Other Costs	`OperatingCostsAndExpenses`	$260.63M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationAndAmortization`	$59.55M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationAndAmortization`	$59.55M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationAndAmortization`	$57.00M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationAndAmortization`	$57.00M	USD	1 Quarter
Freight Expense	`FreightExpense`	$67.51M	USD	1 Quarter
Freight Expense	`FreightExpense`	$67.51M	USD	1 Quarter
Freight Expense	`FreightExpense`	$69.84M	USD	1 Quarter
Freight Expense	`FreightExpense`	$69.84M	USD	1 Quarter
General and Administrative Costs	`SellingGeneralAndAdministrativeExpense`	$17.30M	USD	1 Quarter
General and Administrative Costs	`SellingGeneralAndAdministrativeExpense`	$17.30M	USD	1 Quarter
General and Administrative Costs	`SellingGeneralAndAdministrativeExpense`	$20.63M	USD	1 Quarter
General and Administrative Costs	`SellingGeneralAndAdministrativeExpense`	$20.63M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-1.38M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-1.38M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Interest Expense	`InterestExpense`	$10.28M	USD	1 Quarter
Interest Expense	`InterestExpense`	$10.28M	USD	1 Quarter
Interest Expense	`InterestExpense`	$5.41M	USD	1 Quarter
Interest Expense	`InterestExpense`	$5.41M	USD	1 Quarter
Total Costs and Expenses	`CostsAndExpenses`	$446.31M	USD	1 Quarter
Total Costs and Expenses	`CostsAndExpenses`	$446.31M	USD	1 Quarter
Total Costs and Expenses	`CostsAndExpenses`	$416.64M	USD	1 Quarter
Total Costs and Expenses	`CostsAndExpenses`	$416.64M	USD	1 Quarter
Earnings Before Income Tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$271.97M	USD	1 Quarter
Earnings Before Income Tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$271.97M	USD	1 Quarter
Earnings Before Income Tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$118.73M	USD	1 Quarter
Earnings Before Income Tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$118.73M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$16.84M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$16.84M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$41.59M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$41.59M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Total Basic Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareBasic`	$3.40	USD	1 Quarter
Total Basic Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareBasic`	$3.40	USD	1 Quarter
Total Basic Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareBasic`	$6.67	USD	1 Quarter
Total Basic Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareBasic`	$6.67	USD	1 Quarter
Total Dilutive Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareDiluted`	$3.39	USD	1 Quarter
Total Dilutive Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareDiluted`	$3.39	USD	1 Quarter
Total Dilutive Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareDiluted`	$6.55	USD	1 Quarter
Total Dilutive Earnings (Loss) per Share (in dollars per share)	`EarningsPerShareDiluted`	$6.55	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.10	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.10	USD	1 Quarter

Cash Flow Statement 144 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$57.00M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$57.00M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$59.55M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$59.55M	USD	1 Quarter
Gain on Sale of Assets	`GainLossOnDispositionOfAssets1`	$6.08M	USD	1 Quarter
Gain on Sale of Assets	`GainLossOnDispositionOfAssets1`	$6.08M	USD	1 Quarter
Gain on Sale of Assets	`GainLossOnDispositionOfAssets1`	$5.73M	USD	1 Quarter
Gain on Sale of Assets	`GainLossOnDispositionOfAssets1`	$5.73M	USD	1 Quarter
Stock-Based Compensation	`ShareBasedCompensation`	$5.12M	USD	1 Quarter
Stock-Based Compensation	`ShareBasedCompensation`	$5.12M	USD	1 Quarter
Stock-Based Compensation	`ShareBasedCompensation`	$4.79M	USD	1 Quarter
Stock-Based Compensation	`ShareBasedCompensation`	$4.79M	USD	1 Quarter
Amortization of Debt Issuance Costs	`AmortizationOfFinancingCosts`	$937.00K	USD	1 Quarter
Amortization of Debt Issuance Costs	`AmortizationOfFinancingCosts`	$937.00K	USD	1 Quarter
Amortization of Debt Issuance Costs	`AmortizationOfFinancingCosts`	$2.14M	USD	1 Quarter
Amortization of Debt Issuance Costs	`AmortizationOfFinancingCosts`	$2.14M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-1.38M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-1.38M	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on Debt Extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$74.00K	USD	1 Quarter
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$74.00K	USD	1 Quarter
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$-210.00K	USD	1 Quarter
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$-210.00K	USD	1 Quarter
Other Adjustments to Net Income	`OtherNoncashIncomeExpense`	$34.00K	USD	1 Quarter
Other Adjustments to Net Income	`OtherNoncashIncomeExpense`	$34.00K	USD	1 Quarter
Other Adjustments to Net Income	`OtherNoncashIncomeExpense`	$776.00K	USD	1 Quarter
Other Adjustments to Net Income	`OtherNoncashIncomeExpense`	$776.00K	USD	1 Quarter
Accounts and Notes Receivable	`IncreaseDecreaseInAccountsAndNotesReceivable`	$-11.03M	USD	1 Quarter
Accounts and Notes Receivable	`IncreaseDecreaseInAccountsAndNotesReceivable`	$-11.03M	USD	1 Quarter
Accounts and Notes Receivable	`IncreaseDecreaseInAccountsAndNotesReceivable`	$19.62M	USD	1 Quarter
Accounts and Notes Receivable	`IncreaseDecreaseInAccountsAndNotesReceivable`	$19.62M	USD	1 Quarter
Inventories	`IncreaseDecreaseInInventories`	$29.34M	USD	1 Quarter
Inventories	`IncreaseDecreaseInInventories`	$29.34M	USD	1 Quarter
Inventories	`IncreaseDecreaseInInventories`	$21.34M	USD	1 Quarter
Inventories	`IncreaseDecreaseInInventories`	$21.34M	USD	1 Quarter
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$-5.31M	USD	1 Quarter
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$-5.31M	USD	1 Quarter
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$-2.41M	USD	1 Quarter
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$-2.41M	USD	1 Quarter
Changes in Other Assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$1.38M	USD	1 Quarter
Changes in Other Assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$1.38M	USD	1 Quarter
Changes in Other Assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$4.81M	USD	1 Quarter
Changes in Other Assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$4.81M	USD	1 Quarter
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-3.27M	USD	1 Quarter
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-3.27M	USD	1 Quarter
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$3.18M	USD	1 Quarter
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$3.18M	USD	1 Quarter
Commodity Derivatives, net Liability	`IncreaseDecreaseInCommodityContractAssetsAndLiabilities`	-	USD	1 Quarter
Commodity Derivatives, net Liability	`IncreaseDecreaseInCommodityContractAssetsAndLiabilities`	-	USD	1 Quarter
Commodity Derivatives, net Liability	`IncreaseDecreaseInCommodityContractAssetsAndLiabilities`	$15.14M	USD	1 Quarter
Commodity Derivatives, net Liability	`IncreaseDecreaseInCommodityContractAssetsAndLiabilities`	$15.14M	USD	1 Quarter
Other Operating Liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$21.89M	USD	1 Quarter
Other Operating Liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$21.89M	USD	1 Quarter
Other Operating Liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-26.07M	USD	1 Quarter
Other Operating Liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-26.07M	USD	1 Quarter
Changes in Other Liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-17.87M	USD	1 Quarter
Changes in Other Liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-17.87M	USD	1 Quarter
Changes in Other Liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-29.41M	USD	1 Quarter
Changes in Other Liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-29.41M	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$248.51M	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$248.51M	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$77.48M	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$77.48M	USD	1 Quarter
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$42.35M	USD	1 Quarter
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$42.35M	USD	1 Quarter
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$33.76M	USD	1 Quarter
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$33.76M	USD	1 Quarter
Proceeds from Sales of Assets	`ProceedsFromSaleOfProductiveAssets`	$6.19M	USD	1 Quarter
Proceeds from Sales of Assets	`ProceedsFromSaleOfProductiveAssets`	$6.19M	USD	1 Quarter
Proceeds from Sales of Assets	`ProceedsFromSaleOfProductiveAssets`	$6.00M	USD	1 Quarter
Proceeds from Sales of Assets	`ProceedsFromSaleOfProductiveAssets`	$6.00M	USD	1 Quarter
Investments in Mining-Related Activities	`PaymentsForInvestmentsInMiningRelatedActivities`	$23.00K	USD	1 Quarter
Investments in Mining-Related Activities	`PaymentsForInvestmentsInMiningRelatedActivities`	$23.00K	USD	1 Quarter
Investments in Mining-Related Activities	`PaymentsForInvestmentsInMiningRelatedActivities`	-	USD	1 Quarter
Investments in Mining-Related Activities	`PaymentsForInvestmentsInMiningRelatedActivities`	-	USD	1 Quarter
Proceeds from Sales of Short-Term Investments	`ProceedsFromSaleOfShortTermInvestments`	-	USD	1 Quarter
Proceeds from Sales of Short-Term Investments	`ProceedsFromSaleOfShortTermInvestments`	-	USD	1 Quarter
Proceeds from Sales of Short-Term Investments	`ProceedsFromSaleOfShortTermInvestments`	$15.54M	USD	1 Quarter
Proceeds from Sales of Short-Term Investments	`ProceedsFromSaleOfShortTermInvestments`	$15.54M	USD	1 Quarter
Purchases of Short-Term Investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$15.33M	USD	1 Quarter
Purchases of Short-Term Investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$15.33M	USD	1 Quarter
Purchases of Short-Term Investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$75.00M	USD	1 Quarter
Purchases of Short-Term Investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$75.00M	USD	1 Quarter
Other Investing Activity	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	1 Quarter
Other Investing Activity	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	1 Quarter
Other Investing Activity	`PaymentsForProceedsFromOtherInvestingActivities`	$325.00K	USD	1 Quarter
Other Investing Activity	`PaymentsForProceedsFromOtherInvestingActivities`	$325.00K	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-102.76M	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-102.76M	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-36.30M	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-36.30M	USD	1 Quarter
Payments on Finance Lease Obligations	`FinanceLeasePrincipalPayments`	$3.41M	USD	1 Quarter
Payments on Finance Lease Obligations	`FinanceLeasePrincipalPayments`	$3.41M	USD	1 Quarter
Payments on Finance Lease Obligations	`FinanceLeasePrincipalPayments`	$8.14M	USD	1 Quarter
Payments on Finance Lease Obligations	`FinanceLeasePrincipalPayments`	$8.14M	USD	1 Quarter
Payments on Other Debt	`RepaymentsOfOtherDebt`	$253.00K	USD	1 Quarter
Payments on Other Debt	`RepaymentsOfOtherDebt`	$253.00K	USD	1 Quarter
Payments on Other Debt	`RepaymentsOfOtherDebt`	$235.00K	USD	1 Quarter
Payments on Other Debt	`RepaymentsOfOtherDebt`	$235.00K	USD	1 Quarter
Shares Withheld for Taxes	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.55M	USD	1 Quarter
Shares Withheld for Taxes	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.55M	USD	1 Quarter
Shares Withheld for Taxes	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$12.71M	USD	1 Quarter
Shares Withheld for Taxes	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$12.71M	USD	1 Quarter
Repurchases of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$75.12M	USD	1 Quarter
Repurchases of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$75.12M	USD	1 Quarter
Repurchases of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$57.88M	USD	1 Quarter
Repurchases of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$57.88M	USD	1 Quarter
Dividends and Dividend Equivalents Paid	`PaymentsOfDividends`	$582.00K	USD	1 Quarter
Dividends and Dividend Equivalents Paid	`PaymentsOfDividends`	$582.00K	USD	1 Quarter
Dividends and Dividend Equivalents Paid	`PaymentsOfDividends`	$38.29M	USD	1 Quarter
Dividends and Dividend Equivalents Paid	`PaymentsOfDividends`	$38.29M	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-225.86M	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-225.86M	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-67.68M	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-67.68M	USD	1 Quarter
Net Decrease in Cash and Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-26.49M	USD	1 Quarter
Net Decrease in Cash and Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-26.49M	USD	1 Quarter
Net Decrease in Cash and Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-80.11M	USD	1 Quarter
Net Decrease in Cash and Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-80.11M	USD	1 Quarter
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$246.84M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$246.84M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$243.27M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$243.27M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$326.95M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$326.95M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$216.78M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$216.78M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$246.84M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$246.84M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$243.27M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$243.27M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$326.95M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$326.95M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$216.78M	USD	Point-in-time
Cash and Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$216.78M	USD	Point-in-time
Finance Lease	`CapitalLeaseObligationsIncurred`	$588.00K	USD	1 Quarter
Finance Lease	`CapitalLeaseObligationsIncurred`	$588.00K	USD	1 Quarter
Finance Lease	`CapitalLeaseObligationsIncurred`	-	USD	1 Quarter
Finance Lease	`CapitalLeaseObligationsIncurred`	-	USD	1 Quarter

Stockholders Equity 74 line items

Line Item	Tag	Value	Unit	Period
Actuarially determined long-term liability adjustments, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$274.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$274.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-111.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-111.00K	USD	1 Quarter
Investments in available-for-sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-36.00K	USD	1 Quarter
Investments in available-for-sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-36.00K	USD	1 Quarter
Investments in available-for-sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-64.00K	USD	1 Quarter
Investments in available-for-sale securities, tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-64.00K	USD	1 Quarter
Repurchases of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	1.21M	shares	1 Quarter
Repurchases of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	1.21M	shares	1 Quarter
Repurchases of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	615,288.00	shares	1 Quarter
Repurchases of common stock (in shares)	`StockRepurchasedAndRetiredDuringPeriodShares`	615,288.00	shares	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.10	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.10	USD	1 Quarter
Beginning balance	`StockholdersEquity`	$1.34B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.34B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.17B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.17B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.39B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.39B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.28B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.28B	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$901.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$901.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-385.00K	USD	1 Quarter
Actuarially determined long-term liability adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-385.00K	USD	1 Quarter
Interest Rate Hedge, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$212.00K	USD	1 Quarter
Interest Rate Hedge, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$212.00K	USD	1 Quarter
Investments in available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-126.00K	USD	1 Quarter
Investments in available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-126.00K	USD	1 Quarter
Investments in available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$212.00K	USD	1 Quarter
Investments in available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$212.00K	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$229.69M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$229.69M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$102.15M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$102.15M	USD	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	-	USD	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	-	USD	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	-	USD	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	-	USD	1 Quarter
Repurchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$55.88M	USD	1 Quarter
Repurchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$55.88M	USD	1 Quarter
Repurchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$67.13M	USD	1 Quarter
Repurchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$67.13M	USD	1 Quarter
Excise Tax on Repurchases of Common Stock	`StockRepurchasedDuringPeriodExciseTaxes`	$471.00K	USD	1 Quarter
Excise Tax on Repurchases of Common Stock	`StockRepurchasedDuringPeriodExciseTaxes`	$471.00K	USD	1 Quarter
Excise Tax on Repurchases of Common Stock	`StockRepurchasedDuringPeriodExciseTaxes`	$478.00K	USD	1 Quarter
Excise Tax on Repurchases of Common Stock	`StockRepurchasedDuringPeriodExciseTaxes`	$478.00K	USD	1 Quarter
Employee Stock-Based Compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.13M	USD	1 Quarter
Employee Stock-Based Compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.13M	USD	1 Quarter
Employee Stock-Based Compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.79M	USD	1 Quarter
Employee Stock-Based Compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.79M	USD	1 Quarter
Shares Withheld for Taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$12.71M	USD	1 Quarter
Shares Withheld for Taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$12.71M	USD	1 Quarter
Shares Withheld for Taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.55M	USD	1 Quarter
Shares Withheld for Taxes	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.55M	USD	1 Quarter
Dividends on common shares	`DividendsCommonStock`	$38.29M	USD	1 Quarter
Dividends on common shares	`DividendsCommonStock`	$38.29M	USD	1 Quarter
Dividend Equivalents Earned on Stock-Based Compensation Awards	`DividendsShareBasedCompensation`	$803.00K	USD	1 Quarter
Dividend Equivalents Earned on Stock-Based Compensation Awards	`DividendsShareBasedCompensation`	$803.00K	USD	1 Quarter
Ending balance	`StockholdersEquity`	$1.34B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.34B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.17B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.17B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.39B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.39B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.28B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.28B	USD	Point-in-time

Comprehensive Income 28 line items

Line Item	Tag	Value	Unit	Period
Actuarially determined long-term liability adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$274.00K	USD	1 Quarter
Actuarially determined long-term liability adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$274.00K	USD	1 Quarter
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$101.89M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$230.38M	USD	1 Quarter
Actuarially determined long-term liability adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-111.00K	USD	1 Quarter
Actuarially determined long-term liability adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-111.00K	USD	1 Quarter
Unrealized (loss) gain on investments available-for-sale securities tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-36.00K	USD	1 Quarter
Unrealized (loss) gain on investments available-for-sale securities tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-36.00K	USD	1 Quarter
Unrealized (loss) gain on investments available-for-sale securities tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-64.00K	USD	1 Quarter
Unrealized (loss) gain on investments available-for-sale securities tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-64.00K	USD	1 Quarter
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($111), $274)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$901.00K	USD	1 Quarter
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($111), $274)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$901.00K	USD	1 Quarter
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($111), $274)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-385.00K	USD	1 Quarter
Actuarially Determined Long-Term Liability Adjustments (Net of tax: ($111), $274)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-385.00K	USD	1 Quarter
Unrealized (Loss) Gain on Investments in Available-for-Sale Securities (Net of tax: $36, ($64))	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-126.00K	USD	1 Quarter
Unrealized (Loss) Gain on Investments in Available-for-Sale Securities (Net of tax: $36, ($64))	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-126.00K	USD	1 Quarter
Unrealized (Loss) Gain on Investments in Available-for-Sale Securities (Net of tax: $36, ($64))	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$212.00K	USD	1 Quarter
Unrealized (Loss) Gain on Investments in Available-for-Sale Securities (Net of tax: $36, ($64))	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$212.00K	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$259.00K	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$259.00K	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-689.00K	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-689.00K	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$229.69M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$229.69M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$102.15M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTax`	$102.15M	USD	1 Quarter

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