10-K/A Filing

PATRIOT COAL CORP CIK: 1376812 FY 2011

Filing Information

Form Type	10-K/A
Accession Number	`0001376812-12-000005`
Period End Date	20111231
Filing Date	20120508
Fiscal Year	2011
Fiscal Period	FY
XBRL Instance	pcx-20111231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 79 Income Statement 68 Cash Flow Statement 133 Stockholders Equity 30

Balance Sheet 79 line items

Line Item	Tag	Value	Unit	Period
Net allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$-138.00K	USD	Point-in-time
Net allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$-141.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.16M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$193.07M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$27.10M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable and other, net of allowance for doubtful accounts of $138 and $141 as of December 31, 2011 and 2010, respectively	`ReceivablesNetCurrent`	$207.37M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable and other, net of allowance for doubtful accounts of $138 and $141 as of December 31, 2011 and 2010, respectively	`ReceivablesNetCurrent`	$177.69M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Inventories	`InventoryNet`	$97.97M	USD	Point-in-time
Inventories	`InventoryNet`	$98.37M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	91.89M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.19M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	90.94M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.65M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	77.38M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$527.05M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	90.94M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$498.41M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	90.32M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	91.89M	shares	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Land and coal interests	`Land`	$2.87B	USD	Point-in-time
Land and coal interests	`Land`	$2.94B	USD	Point-in-time
Buildings and improvements	`BuildingsAndImprovementsGross`	$504.27M	USD	Point-in-time
Buildings and improvements	`BuildingsAndImprovementsGross`	$439.33M	USD	Point-in-time
Machinery and equipment	`MachineryAndEquipmentGross`	$735.21M	USD	Point-in-time
Machinery and equipment	`MachineryAndEquipmentGross`	$678.37M	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$828.40M	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$973.16M	USD	Point-in-time
Property, plant, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$3.16B	USD	Point-in-time
Property, plant, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$3.20B	USD	Point-in-time
Notes receivable	`NotesAndLoansReceivableNetNoncurrent`	-	USD	Point-in-time
Notes receivable	`NotesAndLoansReceivableNetNoncurrent`	$69.54M	USD	Point-in-time
Investments and other assets	`OtherAssetsNoncurrent`	$63.20M	USD	Point-in-time
Investments and other assets	`OtherAssetsNoncurrent`	$52.91M	USD	Point-in-time
Total assets	`Assets`	$3.81B	USD	Point-in-time
Total assets	`Assets`	$3.76B	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$513.12M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$419.61M	USD	Point-in-time
Below market sales contracts acquired	`BelowMarketSalesContractsAcquired`	$70.92M	USD	Point-in-time
Below market sales contracts acquired	`BelowMarketSalesContractsAcquired`	$44.79M	USD	Point-in-time
Current portion of debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$3.33M	USD	Point-in-time
Current portion of debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.18M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$493.85M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$559.09M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtAndCapitalLeaseObligations`	$451.53M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtAndCapitalLeaseObligations`	$441.06M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$388.07M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$424.97M	USD	Point-in-time
Workers' compensation obligations	`WorkersCompensationLiabilityNoncurrent`	$231.59M	USD	Point-in-time
Workers' compensation obligations	`WorkersCompensationLiabilityNoncurrent`	$220.76M	USD	Point-in-time
Postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$1.27B	USD	Point-in-time
Postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$1.39B	USD	Point-in-time
Obligation to industry fund	`CoalIndustryRetireeHealthBenefitActOf1992EstimatedAmountOfTotalObligation`	$38.98M	USD	Point-in-time
Obligation to industry fund	`CoalIndustryRetireeHealthBenefitActOf1992EstimatedAmountOfTotalObligation`	$35.43M	USD	Point-in-time
Below market sales contracts acquired, noncurrent	`BelowMarketSalesContractsAcquiredNoncurrent`	$46.22M	USD	Point-in-time
Below market sales contracts acquired, noncurrent	`BelowMarketSalesContractsAcquiredNoncurrent`	$92.25M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$60.95M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$45.22M	USD	Point-in-time
Total liabilities	`Liabilities`	$3.02B	USD	Point-in-time
Total liabilities	`Liabilities`	$3.17B	USD	Point-in-time
Common stock ($0.01 par value; 300,000,000 shares authorized; 91,885,338 and 90,944,595 shares issued and outstanding at December 31, 2011 and 2010, respectively)	`CommonStockValue`	$919.00K	USD	Point-in-time
Common stock ($0.01 par value; 300,000,000 shares authorized; 91,885,338 and 90,944,595 shares issued and outstanding at December 31, 2011 and 2010, respectively)	`CommonStockValue`	$909.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$961.28M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$977.17M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$-216.00K	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$138.92M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-385.03M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-307.69M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$592.84M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$793.42M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$840.18M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$935.49M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$3.76B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$3.81B	USD	Point-in-time

Income Statement 68 line items

Line Item	Tag	Value	Unit	Period
Sales	`CoalProductsAndServicesRevenue`	$2.38B	USD	Annual
Sales	`CoalProductsAndServicesRevenue`	$2.00B	USD	Annual
Sales	`CoalProductsAndServicesRevenue`	$2.02B	USD	Annual
Other revenues	`OtherSalesRevenueNet`	$17.65M	USD	Annual
Other revenues	`OtherSalesRevenueNet`	$49.62M	USD	Annual
Other revenues	`OtherSalesRevenueNet`	$24.25M	USD	Annual
Total revenues	`SalesRevenueNet`	$2.40B	USD	Annual
Total revenues	`SalesRevenueNet`	$2.04B	USD	Annual
Total revenues	`SalesRevenueNet`	$2.05B	USD	Annual
Operating costs and expenses	`CostOfCoalProductsAndServices`	$1.89B	USD	Annual
Operating costs and expenses	`CostOfCoalProductsAndServices`	$2.21B	USD	Annual
Operating costs and expenses	`CostOfCoalProductsAndServices`	$1.90B	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$188.07M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$205.34M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$186.35M	USD	Annual
Asset retirement obligation expense	`AssetRetirementObligationAccretionExpenseAndOther`	$105.23M	USD	Annual
Asset retirement obligation expense	`AssetRetirementObligationAccretionExpenseAndOther`	$35.12M	USD	Annual
Asset retirement obligation expense	`AssetRetirementObligationAccretionExpenseAndOther`	$112.70M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-121.47M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-298.57M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-55.02M	USD	Annual
Restructuring and impairment charge	`RestructuringSettlementAndImpairmentProvisions`	$15.17M	USD	Annual
Restructuring and impairment charge	`RestructuringSettlementAndImpairmentProvisions`	$20.20M	USD	1 Quarter
Restructuring and impairment charge	`RestructuringSettlementAndImpairmentProvisions`	$14.80M	USD	1 Quarter
Restructuring and impairment charge	`RestructuringSettlementAndImpairmentProvisions`	$13.66M	USD	Annual
Restructuring and impairment charge	`RestructuringSettlementAndImpairmentProvisions`	$20.16M	USD	Annual
Selling and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$50.25M	USD	Annual
Selling and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$52.91M	USD	Annual
Selling and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$48.73M	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$48.23M	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$35.56M	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$7.21M	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$398.00K	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$9.48M	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$4.71M	USD	Annual
Operating profit (loss)	`OperatingIncomeLoss`	$-73.48M	USD	Annual
Operating profit (loss)	`OperatingIncomeLoss`	$148.71M	USD	Annual
Operating profit (loss)	`OperatingIncomeLoss`	$-52.61M	USD	Annual
Interest expense and other	`InterestAndDebtExpense`	$65.53M	USD	Annual
Interest expense and other	`InterestAndDebtExpense`	$38.11M	USD	Annual
Interest expense and other	`InterestAndDebtExpense`	$57.42M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$16.65M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$246.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$12.83M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-138.76M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$127.24M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-97.20M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$492.00K	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	-	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$372.00K	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-97.69M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-139.13M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$127.24M	USD	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	91.32M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	84.66M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	90.91M	shares	Annual
Effect of dilutive securities	`WeightedAverageNumberDilutedSharesOutstandingAdjustment`	0.00	shares	Annual
Effect of dilutive securities	`WeightedAverageNumberDilutedSharesOutstandingAdjustment`	763,504.00	shares	Annual
Effect of dilutive securities	`WeightedAverageNumberDilutedSharesOutstandingAdjustment`	0.00	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	85.42M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	91.32M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	90.91M	shares	Annual
Basic	`EarningsPerShareBasic`	$-1.07	USD	Annual
Basic	`EarningsPerShareBasic`	$1.50	USD	Annual
Basic	`EarningsPerShareBasic`	$-1.52	USD	Annual
Diluted	`EarningsPerShareDiluted`	$-1.52	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.49	USD	Annual
Diluted	`EarningsPerShareDiluted`	$-1.07	USD	Annual

Cash Flow Statement 133 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-97.69M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-139.13M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$127.24M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$188.07M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$205.34M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$186.35M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$7.36M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$6.41M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$3.70M	USD	Annual
Amortization of debt discount	`AmortizationOfDebtDiscountPremium`	$7.86M	USD	Annual
Amortization of debt discount	`AmortizationOfDebtDiscountPremium`	$9.54M	USD	Annual
Amortization of debt discount	`AmortizationOfDebtDiscountPremium`	$8.71M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-121.47M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-298.57M	USD	Annual
Sales contract accretion	`AccretionExpense`	$-55.02M	USD	Annual
Impairment charge	`OtherAssetImpairmentCharges`	$12.95M	USD	Annual
Impairment charge	`OtherAssetImpairmentCharges`	$2.82M	USD	Annual
Impairment charge	`OtherAssetImpairmentCharges`	$13.09M	USD	1 Quarter
Impairment charge	`OtherAssetImpairmentCharges`	$12.90M	USD	1 Quarter
Impairment charge	`OtherAssetImpairmentCharges`	$13.09M	USD	Annual
Impairment charge	`OtherAssetImpairmentCharges`	$2.80M	USD	1 Quarter
Loss on early payment of note receivable	`LossOnEarlyRepaymentOfNotesReceivable`	$5.90M	USD	Point-in-time
Loss on early payment of note receivable	`LossOnEarlyRepaymentOfNotesReceivable`	$5.87M	USD	Annual
Loss on early payment of note receivable	`LossOnEarlyRepaymentOfNotesReceivable`	-	USD	Annual
Loss on early payment of note receivable	`LossOnEarlyRepaymentOfNotesReceivable`	-	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$48.23M	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$35.56M	USD	Annual
Net gain on disposal or exchange of assets	`GainLossOnDispositionOfProperty`	$7.21M	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$398.00K	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$9.48M	USD	Annual
Income from equity affiliates	`IncomeLossFromEquityMethodInvestments`	$4.71M	USD	Annual
Distributions from equity affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$3.22M	USD	Annual
Distributions from equity affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$5.09M	USD	Annual
Distributions from equity affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$1.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$13.78M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$13.85M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$11.66M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$22.34M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$59.00K	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$3.56M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$6.53M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$393.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$16.79M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$15.17M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.16M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-903.00K	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$36.80M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-38.87M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-13.94M	USD	Annual
Interest on notes receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	-	USD	Annual
Interest on notes receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$12.65M	USD	Annual
Interest on notes receivable	`IncreaseDecreaseInAccruedInterestReceivableNet`	$14.03M	USD	Annual
Asset retirement obligations	`IncreaseDecreaseInAssetRetirementObligations`	$52.29M	USD	Annual
Asset retirement obligations	`IncreaseDecreaseInAssetRetirementObligations`	$77.00M	USD	Annual
Asset retirement obligations	`IncreaseDecreaseInAssetRetirementObligations`	$14.99M	USD	Annual
Workers' compensation obligations	`IncreaseDecreaseInWorkersCompensationLiabilities`	$12.34M	USD	Annual
Workers' compensation obligations	`IncreaseDecreaseInWorkersCompensationLiabilities`	$8.58M	USD	Annual
Workers' compensation obligations	`IncreaseDecreaseInWorkersCompensationLiabilities`	$4.47M	USD	Annual
Accrued postretirement benefit costs	`IncreaseDecreaseInPostretirementObligations`	$26.25M	USD	Annual
Accrued postretirement benefit costs	`IncreaseDecreaseInPostretirementObligations`	$58.87M	USD	Annual
Accrued postretirement benefit costs	`IncreaseDecreaseInPostretirementObligations`	$50.94M	USD	Annual
Obligation to industry fund	`IncreaseDecreaseInObligationToIndustryFund`	$-2.77M	USD	Annual
Obligation to industry fund	`IncreaseDecreaseInObligationToIndustryFund`	$-3.02M	USD	Annual
Obligation to industry fund	`IncreaseDecreaseInObligationToIndustryFund`	$-3.28M	USD	Annual
Federal black lung collateralization	`IncreaseDecreaseInOtherNoncurrentAssets`	-	USD	Annual
Federal black lung collateralization	`IncreaseDecreaseInOtherNoncurrentAssets`	$-15.00M	USD	1 Quarter
Federal black lung collateralization	`IncreaseDecreaseInOtherNoncurrentAssets`	$14.99M	USD	Annual
Federal black lung collateralization	`IncreaseDecreaseInOtherNoncurrentAssets`	-	USD	Annual
Other	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$6.75M	USD	Annual
Other	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$6.19M	USD	Annual
Other	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-10.43M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$112.99M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$35.25M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$39.61M	USD	Annual
Additions to property, plant, equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$162.97M	USD	Annual
Additions to property, plant, equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$78.26M	USD	Annual
Additions to property, plant, equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$121.93M	USD	Annual
Proceeds from notes receivable	`ProceedsFromCollectionOfNotesReceivable`	$115.70M	USD	Point-in-time
Proceeds from notes receivable	`ProceedsFromCollectionOfNotesReceivable`	$11.00M	USD	Annual
Proceeds from notes receivable	`ProceedsFromCollectionOfNotesReceivable`	$33.10M	USD	Annual
Proceeds from notes receivable	`ProceedsFromCollectionOfNotesReceivable`	$115.68M	USD	Annual
Additions to advance mining royalties	`PaymentsToAcquireRoyaltyInterestsInMiningProperties`	$17.00M	USD	Annual
Additions to advance mining royalties	`PaymentsToAcquireRoyaltyInterestsInMiningProperties`	$26.03M	USD	Annual
Additions to advance mining royalties	`PaymentsToAcquireRoyaltyInterestsInMiningProperties`	$21.51M	USD	Annual
Net cash paid in litigation settlement and asset acquisition	`PaymentsForLitigationSettlementAndAssetAcquisition`	-	USD	Annual
Net cash paid in litigation settlement and asset acquisition	`PaymentsForLitigationSettlementAndAssetAcquisition`	$14.80M	USD	Point-in-time
Net cash paid in litigation settlement and asset acquisition	`PaymentsForLitigationSettlementAndAssetAcquisition`	$-14.79M	USD	Annual
Net cash paid in litigation settlement and asset acquisition	`PaymentsForLitigationSettlementAndAssetAcquisition`	-	USD	Annual
Proceeds from disposal or exchange of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$1.77M	USD	Annual
Proceeds from disposal or exchange of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$6.93M	USD	Annual
Proceeds from disposal or exchange of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$5.51M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.15M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$300.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-81.17M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-77.59M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-108.88M	USD	Annual
Proceeds from debt offering, net of discount	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	Annual
Proceeds from debt offering, net of discount	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$248.20M	USD	Annual
Proceeds from debt offering, net of discount	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	Annual
Proceeds from coal reserve financing transaction	`ProceedsFromPaymentsForOtherFinancingActivities`	$17.70M	USD	Point-in-time
Proceeds from coal reserve financing transaction	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Proceeds from coal reserve financing transaction	`ProceedsFromPaymentsForOtherFinancingActivities`	$17.70M	USD	Annual
Proceeds from coal reserve financing transaction	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	$20.74M	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	-	USD	Annual
Deferred financing costs	`PaymentsOfFinancingCosts`	$1.83M	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$5.91M	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$8.04M	USD	Annual
Long-term debt payments	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$31.00M	USD	Annual
Proceeds from equity offering, net of costs	`ProceedsFromIssuanceOfCommonStock`	$89.08M	USD	Annual
Proceeds from equity offering, net of costs	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from equity offering, net of costs	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Short-term debt payments	`ProceedsFromRepaymentsOfShortTermDebt`	-	USD	Annual
Short-term debt payments	`ProceedsFromRepaymentsOfShortTermDebt`	-	USD	Annual
Short-term debt payments	`ProceedsFromRepaymentsOfShortTermDebt`	$-23.00M	USD	Annual
Proceeds from employee stock programs	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.04M	USD	Annual
Proceeds from employee stock programs	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.48M	USD	Annual
Proceeds from employee stock programs	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.12M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-30.72M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$239.59M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$62.21M	USD	Annual
Net increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$1.09M	USD	Annual
Net increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$165.97M	USD	Annual
Net increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$24.23M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$194.16M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$193.07M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$2.87M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$27.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$194.16M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$193.07M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$27.10M	USD	Point-in-time

Stockholders Equity 30 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquity`	$592.84M	USD	Point-in-time
Balance	`StockholdersEquity`	$793.42M	USD	Point-in-time
Balance	`StockholdersEquity`	$840.18M	USD	Point-in-time
Balance	`StockholdersEquity`	$935.49M	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$-97.69M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-139.13M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$127.24M	USD	Annual
Postretirement plans and workers' compensation obligations (net of taxes of $0)	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-75.65M	USD	Annual
Postretirement plans and workers' compensation obligations (net of taxes of $0)	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-59.35M	USD	Annual
Postretirement plans and workers' compensation obligations (net of taxes of $0)	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-147.62M	USD	Annual
Changes in diesel fuel hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$833.00K	USD	Annual
Changes in diesel fuel hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$10.73M	USD	Annual
Changes in diesel fuel hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$-1.68M	USD	Annual
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-216.47M	USD	Annual
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-9.65M	USD	Annual
Total comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-156.21M	USD	Annual
Issuance of 12,000,000 shares of common stock from equity offering	`StockIssuedDuringPeriodValueNewIssues`	$89.08M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$13.78M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$13.85M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$11.66M	USD	Annual
Employee stock purchases	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.12M	USD	Annual
Employee stock purchases	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.04M	USD	Annual
Employee stock purchases	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.48M	USD	Annual
Stock grants to employees	`StockGrantedDuringPeriodValueSharebasedCompensation`	-	USD	Annual
Stock grants to employees	`StockGrantedDuringPeriodValueSharebasedCompensation`	-	USD	Annual
Stock grants to employees	`StockGrantedDuringPeriodValueSharebasedCompensation`	-	USD	Annual
Balance	`StockholdersEquity`	$592.84M	USD	Point-in-time
Balance	`StockholdersEquity`	$793.42M	USD	Point-in-time
Balance	`StockholdersEquity`	$840.18M	USD	Point-in-time
Balance	`StockholdersEquity`	$935.49M	USD	Point-in-time

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