10-Q Filing

ALPHA METALLURGICAL RESOURCES, INC. CIK: 1704715 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0001704715-25-000042`
Period End Date	20250930
Filing Date	20251106
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	amr-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 200 Income Statement 192 Cash Flow Statement 176 Stockholders Equity 90 Comprehensive Income 56

Balance Sheet 200 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowance for credit losses, current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.40M	USD	Point-in-time
Accounts receivable, allowance for credit losses, current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.40M	USD	Point-in-time
Accounts receivable, allowance for credit losses, current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.54M	USD	Point-in-time
Accounts receivable, allowance for credit losses, current	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.54M	USD	Point-in-time
Property, plant and equipment, accumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$667.26M	USD	Point-in-time
Property, plant and equipment, accumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$667.26M	USD	Point-in-time
Property, plant and equipment, accumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$759.34M	USD	Point-in-time
Property, plant and equipment, accumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$759.34M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$484.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$484.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$481.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$481.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$408.52M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$408.52M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$124.97M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$124.97M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$146.50M	USD	Point-in-time
Owned and lease mineral rights, accumulated depletion and amortization	`MineralPropertiesAccumulatedDepletion`	$146.50M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$41.44M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$41.44M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$45.52M	USD	Point-in-time
Other acquired intangibles, accumulated amortization	`FiniteLivedIntangibleAssetsAccumulatedAmortization`	$45.52M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	-	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	-	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$49.41M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$49.41M	USD	Point-in-time
Trade accounts receivable, net of allowance for credit losses of $2,542 and $2,396 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$362.14M	USD	Point-in-time
Trade accounts receivable, net of allowance for credit losses of $2,542 and $2,396 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$362.14M	USD	Point-in-time
Trade accounts receivable, net of allowance for credit losses of $2,542 and $2,396 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$289.18M	USD	Point-in-time
Trade accounts receivable, net of allowance for credit losses of $2,542 and $2,396 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$289.18M	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Inventories, net	`InventoryNet`	$169.27M	USD	Point-in-time
Inventories, net	`InventoryNet`	$169.27M	USD	Point-in-time
Inventories, net	`InventoryNet`	$210.03M	USD	Point-in-time
Inventories, net	`InventoryNet`	$210.03M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$23.68M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$23.68M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$32.81M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$32.81M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.04B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.04B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$989.94M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$989.94M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $759,337 and $667,260 as of September 30, 2025 and December 31, 2024, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$634.87M	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $759,337 and $667,260 as of September 30, 2025 and December 31, 2024, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$634.87M	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $759,337 and $667,260 as of September 30, 2025 and December 31, 2024, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$614.20M	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $759,337 and $667,260 as of September 30, 2025 and December 31, 2024, respectively	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$614.20M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	22.38M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	22.38M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	22.44M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	22.44M	shares	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $146,498 and $124,965 as of September 30, 2025 and December 31, 2024, respectively	`MineralRights`	$443.47M	USD	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $146,498 and $124,965 as of September 30, 2025 and December 31, 2024, respectively	`MineralRights`	$443.47M	USD	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $146,498 and $124,965 as of September 30, 2025 and December 31, 2024, respectively	`MineralRights`	$421.58M	USD	Point-in-time
Owned and leased mineral rights, net of accumulated depletion and amortization of $146,498 and $124,965 as of September 30, 2025 and December 31, 2024, respectively	`MineralRights`	$421.58M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	13.02M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	13.02M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	12.92M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	12.92M	shares	Point-in-time
Other acquired intangibles, net of accumulated amortization of $45,515 and $41,444 as of September 30, 2025 and December 31, 2024, respectively	`IntangibleAssetsNetExcludingGoodwill`	$39.88M	USD	Point-in-time
Other acquired intangibles, net of accumulated amortization of $45,515 and $41,444 as of September 30, 2025 and December 31, 2024, respectively	`IntangibleAssetsNetExcludingGoodwill`	$39.88M	USD	Point-in-time
Other acquired intangibles, net of accumulated amortization of $45,515 and $41,444 as of September 30, 2025 and December 31, 2024, respectively	`IntangibleAssetsNetExcludingGoodwill`	$35.81M	USD	Point-in-time
Other acquired intangibles, net of accumulated amortization of $45,515 and $41,444 as of September 30, 2025 and December 31, 2024, respectively	`IntangibleAssetsNetExcludingGoodwill`	$35.81M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$121.08M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$121.08M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$122.58M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$122.58M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$125.80M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$125.80M	USD	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	9.37M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	9.37M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	9.52M	shares	Point-in-time
Treasury stock, at cost (in shares)	`TreasuryStockCommonShares`	9.52M	shares	Point-in-time
Long-term restricted investments	`RestrictedInvestmentsNoncurrent`	$43.13M	USD	Point-in-time
Long-term restricted investments	`RestrictedInvestmentsNoncurrent`	$43.13M	USD	Point-in-time
Long-term restricted investments	`RestrictedInvestmentsNoncurrent`	$34.20M	USD	Point-in-time
Long-term restricted investments	`RestrictedInvestmentsNoncurrent`	$34.20M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$6.52M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$6.52M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$6.98M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$6.98M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$111.59M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$111.59M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$116.79M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$116.79M	USD	Point-in-time
Total assets	`Assets`	$2.44B	USD	Point-in-time
Total assets	`Assets`	$2.44B	USD	Point-in-time
Total assets	`Assets`	$2.35B	USD	Point-in-time
Total assets	`Assets`	$2.35B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.92M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.92M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.12M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.12M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$96.63M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$96.63M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$83.36M	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$83.36M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesAndOtherLiabilitiesCurrent`	$151.56M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesAndOtherLiabilitiesCurrent`	$151.56M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesAndOtherLiabilitiesCurrent`	$165.06M	USD	Point-in-time
Accrued expenses and other current liabilities	`AccruedLiabilitiesAndOtherLiabilitiesCurrent`	$165.06M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$251.11M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$251.11M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$250.53M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$250.53M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$2.87M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$2.87M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$2.85M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$2.85M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageAndWorkersCompensationNoncurrent`	$182.96M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageAndWorkersCompensationNoncurrent`	$182.96M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageAndWorkersCompensationNoncurrent`	$178.23M	USD	Point-in-time
Workers compensation and black lung obligations	`LiabilityDefinedBenefitPlanPostretirementBlackLungHealthCoverageAndWorkersCompensationNoncurrent`	$178.23M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$100.60M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$100.60M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$88.00M	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$88.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$189.81M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$189.81M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$187.22M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$187.22M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$40.49M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$40.49M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$25.51M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$25.51M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$21.39M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$21.39M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$20.83M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$20.83M	USD	Point-in-time
Total liabilities	`Liabilities`	$789.21M	USD	Point-in-time
Total liabilities	`Liabilities`	$789.21M	USD	Point-in-time
Total liabilities	`Liabilities`	$753.17M	USD	Point-in-time
Total liabilities	`Liabilities`	$753.17M	USD	Point-in-time
Commitments and Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock - par value $0.01, 5,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock - par value $0.01, 50,000,000 shares authorized, 22,437,379 issued and 12,919,308 outstanding at September 30, 2025 and 22,383,325 issued and 13,016,390 outstanding at December 31, 2024	`CommonStockValue`	$224.00K	USD	Point-in-time
Common stock - par value $0.01, 50,000,000 shares authorized, 22,437,379 issued and 12,919,308 outstanding at September 30, 2025 and 22,383,325 issued and 13,016,390 outstanding at December 31, 2024	`CommonStockValue`	$224.00K	USD	Point-in-time
Common stock - par value $0.01, 50,000,000 shares authorized, 22,437,379 issued and 12,919,308 outstanding at September 30, 2025 and 22,383,325 issued and 13,016,390 outstanding at December 31, 2024	`CommonStockValue`	$224.00K	USD	Point-in-time
Common stock - par value $0.01, 50,000,000 shares authorized, 22,437,379 issued and 12,919,308 outstanding at September 30, 2025 and 22,383,325 issued and 13,016,390 outstanding at December 31, 2024	`CommonStockValue`	$224.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$839.80M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$839.80M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$848.84M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$848.84M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-50.08M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-50.08M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-48.08M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-48.08M	USD	Point-in-time
Treasury stock, at cost: 9,518,071 shares at September 30, 2025 and 9,366,935 shares at December 31, 2024	`TreasuryStockCommonValue`	$1.30B	USD	Point-in-time
Treasury stock, at cost: 9,518,071 shares at September 30, 2025 and 9,366,935 shares at December 31, 2024	`TreasuryStockCommonValue`	$1.30B	USD	Point-in-time
Treasury stock, at cost: 9,518,071 shares at September 30, 2025 and 9,366,935 shares at December 31, 2024	`TreasuryStockCommonValue`	$1.32B	USD	Point-in-time
Treasury stock, at cost: 9,518,071 shares at September 30, 2025 and 9,366,935 shares at December 31, 2024	`TreasuryStockCommonValue`	$1.32B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.16B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.16B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.11B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.57B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.57B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.59B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.59B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.64B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.64B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.65B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.65B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.65B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.65B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.59B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.59B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.44B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.44B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.35B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.35B	USD	Point-in-time

Income Statement 192 line items

Line Item	Tag	Value	Unit	Period
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$669.78M	USD	1 Quarter
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$669.78M	USD	1 Quarter
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.33B	USD	3 Qtrs
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.33B	USD	3 Qtrs
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$525.20M	USD	1 Quarter
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$525.20M	USD	1 Quarter
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.60B	USD	3 Qtrs
Coal revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.60B	USD	3 Qtrs
Other revenues	`OtherIncome`	$2.11M	USD	1 Quarter
Other revenues	`OtherIncome`	$2.11M	USD	1 Quarter
Other revenues	`OtherIncome`	$8.74M	USD	3 Qtrs
Other revenues	`OtherIncome`	$8.74M	USD	3 Qtrs
Other revenues	`OtherIncome`	$1.57M	USD	1 Quarter
Other revenues	`OtherIncome`	$1.57M	USD	1 Quarter
Other revenues	`OtherIncome`	$5.46M	USD	3 Qtrs
Other revenues	`OtherIncome`	$5.46M	USD	3 Qtrs
Total revenues	`Revenues`	$671.90M	USD	1 Quarter
Total revenues	`Revenues`	$671.90M	USD	1 Quarter
Total revenues	`Revenues`	$2.34B	USD	3 Qtrs
Total revenues	`Revenues`	$2.34B	USD	3 Qtrs
Total revenues	`Revenues`	$526.78M	USD	1 Quarter
Total revenues	`Revenues`	$526.78M	USD	1 Quarter
Total revenues	`Revenues`	$1.61B	USD	3 Qtrs
Total revenues	`Revenues`	$1.61B	USD	3 Qtrs
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$598.73M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$598.73M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.91B	USD	3 Qtrs
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.91B	USD	3 Qtrs
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$461.63M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$461.63M	USD	1 Quarter
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.45B	USD	3 Qtrs
Cost of coal sales (exclusive of items shown separately below)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.45B	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$42.41M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$42.41M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$126.50M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$126.50M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$43.90M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$43.90M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$132.63M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortizationExcludingAcquiredIntangibles`	$132.63M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.33M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.33M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$18.73M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$18.73M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.50M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.50M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$16.62M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$16.62M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.68M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.68M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.03M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.03M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.36M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.36M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$4.07M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$4.07M	USD	3 Qtrs
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$15.99M	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$15.99M	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$57.17M	USD	3 Qtrs
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$57.17M	USD	3 Qtrs
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$15.70M	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$15.70M	USD	1 Quarter
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$46.34M	USD	3 Qtrs
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	`SellingGeneralAndAdministrativeExpense`	$46.34M	USD	3 Qtrs
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-1.46M	USD	1 Quarter
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-1.46M	USD	1 Quarter
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-3.81M	USD	3 Qtrs
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-3.81M	USD	3 Qtrs
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-1.21M	USD	1 Quarter
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-1.21M	USD	1 Quarter
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-3.21M	USD	3 Qtrs
Other operating loss	`OtherOperatingIncomeExpenseNet`	$-3.21M	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$666.59M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$666.59M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$2.12B	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$2.12B	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$529.30M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$529.30M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$1.65B	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$1.65B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$5.31M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$5.31M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$217.86M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$217.86M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$-2.52M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$-2.52M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$-40.04M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$-40.04M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$1.04M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$1.04M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$3.23M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$3.23M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$765.00K	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$765.00K	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$2.29M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$2.29M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$5.14M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$5.14M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$13.26M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$13.26M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$3.95M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.95M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$12.19M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$12.19M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-7.01M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-7.01M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-14.57M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-14.57M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-6.24M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-6.24M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-19.94M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-19.94M	USD	3 Qtrs
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-2.69M	USD	1 Quarter
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-2.69M	USD	1 Quarter
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-8.26M	USD	3 Qtrs
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-8.26M	USD	3 Qtrs
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-3.27M	USD	1 Quarter
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-3.27M	USD	1 Quarter
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-10.36M	USD	3 Qtrs
Miscellaneous expense, net	`OtherNonoperatingIncomeExpense`	$-10.36M	USD	3 Qtrs
Total other expense, net	`NonoperatingIncomeExpense`	$-5.59M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-5.59M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-12.80M	USD	3 Qtrs
Total other expense, net	`NonoperatingIncomeExpense`	$-12.80M	USD	3 Qtrs
Total other expense, net	`NonoperatingIncomeExpense`	$-6.32M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-6.32M	USD	1 Quarter
Total other expense, net	`NonoperatingIncomeExpense`	$-20.39M	USD	3 Qtrs
Total other expense, net	`NonoperatingIncomeExpense`	$-20.39M	USD	3 Qtrs
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-283.00K	USD	1 Quarter
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-283.00K	USD	1 Quarter
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$205.06M	USD	3 Qtrs
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$205.06M	USD	3 Qtrs
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-8.85M	USD	1 Quarter
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-8.85M	USD	1 Quarter
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-60.43M	USD	3 Qtrs
(Loss) income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-60.43M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-4.09M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-4.09M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$15.36M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$15.36M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-3.33M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-3.33M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-16.02M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$-16.02M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$0.29	USD	1 Quarter
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$0.29	USD	1 Quarter
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$14.58	USD	3 Qtrs
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$14.58	USD	3 Qtrs
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$-0.42	USD	1 Quarter
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$-0.42	USD	1 Quarter
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$-3.41	USD	3 Qtrs
Basic (loss) income per common share (in dollars per share)	`EarningsPerShareBasic`	$-3.41	USD	3 Qtrs
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$0.29	USD	1 Quarter
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$0.29	USD	1 Quarter
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$14.43	USD	3 Qtrs
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$14.43	USD	3 Qtrs
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$-0.42	USD	1 Quarter
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$-0.42	USD	1 Quarter
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$-3.41	USD	3 Qtrs
Diluted (loss) income per common share (in dollars per share)	`EarningsPerShareDiluted`	$-3.41	USD	3 Qtrs
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.02M	shares	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.02M	shares	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.01M	shares	3 Qtrs
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.01M	shares	3 Qtrs
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.02M	shares	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.02M	shares	1 Quarter
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.04M	shares	3 Qtrs
Weighted average shares - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	13.04M	shares	3 Qtrs
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.09M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.09M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.15M	shares	3 Qtrs
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.15M	shares	3 Qtrs
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.02M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.02M	shares	1 Quarter
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.04M	shares	3 Qtrs
Weighted average shares - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	13.04M	shares	3 Qtrs

Cash Flow Statement 176 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$484.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$484.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$481.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$481.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$408.52M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$408.52M	USD	Point-in-time
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Long-term restricted cash	`RestrictedCashNoncurrent`	$121.08M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$121.08M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$122.58M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$122.58M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$125.80M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashNoncurrent`	$125.80M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Total cash and cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$126.50M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$126.50M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$132.63M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$132.63M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.68M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.68M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.03M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$5.03M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.36M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$1.36M	USD	1 Quarter
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$4.07M	USD	3 Qtrs
Amortization of acquired intangibles, net	`AmortizationOfIntangibleAssets`	$4.07M	USD	3 Qtrs
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$839.00K	USD	3 Qtrs
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$839.00K	USD	3 Qtrs
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$889.00K	USD	3 Qtrs
Amortization of debt issuance costs and accretion of debt discount	`AmortizationOfFinancingCostsAndDiscounts`	$889.00K	USD	3 Qtrs
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$-31.00K	USD	3 Qtrs
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$-31.00K	USD	3 Qtrs
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$-860.00K	USD	3 Qtrs
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$-860.00K	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.33M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$6.33M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$18.73M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$18.73M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.50M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$5.50M	USD	1 Quarter
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$16.62M	USD	3 Qtrs
Accretion on asset retirement obligations	`AssetRetirementObligationAccretionExpense`	$16.62M	USD	3 Qtrs
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$15.12M	USD	3 Qtrs
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$15.12M	USD	3 Qtrs
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$19.37M	USD	3 Qtrs
Employee benefit plans, net	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$19.37M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$3.25M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$3.25M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-16.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-16.00M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$9.32M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$9.32M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$10.40M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$10.40M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-7.01M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-7.01M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-14.57M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-14.57M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-6.24M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-6.24M	USD	1 Quarter
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-19.94M	USD	3 Qtrs
Equity loss in affiliates	`IncomeLossFromEquityMethodInvestments`	$-19.94M	USD	3 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-97.00K	USD	3 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-97.00K	USD	3 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-2.05M	USD	3 Qtrs
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-2.05M	USD	3 Qtrs
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$-140.67M	USD	3 Qtrs
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$-140.67M	USD	3 Qtrs
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$16.36M	USD	3 Qtrs
Changes in operating assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$16.36M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$523.66M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$523.66M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$125.96M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$125.96M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$156.17M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$156.17M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$98.20M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$98.20M	USD	3 Qtrs
Proceeds from disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$763.00K	USD	3 Qtrs
Proceeds from disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$763.00K	USD	3 Qtrs
Proceeds from disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$101.00K	USD	3 Qtrs
Proceeds from disposal of assets	`ProceedsFromSaleOfProductiveAssets`	$101.00K	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireInvestments`	$37.02M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireInvestments`	$37.02M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireInvestments`	$87.97M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireInvestments`	$87.97M	USD	3 Qtrs
Sales and maturities of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$36.53M	USD	3 Qtrs
Sales and maturities of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$36.53M	USD	3 Qtrs
Sales and maturities of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$48.74M	USD	3 Qtrs
Sales and maturities of investment securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$48.74M	USD	3 Qtrs
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$22.86M	USD	3 Qtrs
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$22.86M	USD	3 Qtrs
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$28.41M	USD	3 Qtrs
Capital contributions to equity affiliates	`PaymentsToAcquireEquityMethodInvestmentsCapitalContributions`	$28.41M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-24.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-24.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-42.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-42.00K	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-178.73M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-178.73M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-165.69M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-165.69M	USD	3 Qtrs
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$1.75M	USD	3 Qtrs
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$1.75M	USD	3 Qtrs
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$1.36M	USD	3 Qtrs
Principal repayments of long-term debt	`RepaymentsOfLongTermDebt`	$1.36M	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.16M	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.16M	USD	3 Qtrs
Dividend equivalents paid	`PaymentsOfDividends`	$3.08M	USD	3 Qtrs
Dividend equivalents paid	`PaymentsOfDividends`	$3.08M	USD	3 Qtrs
Dividend equivalents paid	`PaymentsOfDividends`	$415.00K	USD	3 Qtrs
Dividend equivalents paid	`PaymentsOfDividends`	$415.00K	USD	3 Qtrs
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$117.65M	USD	3 Qtrs
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$117.65M	USD	3 Qtrs
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$25.15M	USD	3 Qtrs
Common stock repurchases and related expenses	`PaymentsForRepurchaseOfCommonStockAndRelatedExpenses`	$25.15M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-945.00K	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-945.00K	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.02M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.02M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-123.42M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-123.42M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-30.11M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-30.11M	USD	3 Qtrs
Net (decrease) increase in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$221.51M	USD	3 Qtrs
Net (decrease) increase in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$221.51M	USD	3 Qtrs
Net (decrease) increase in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-69.85M	USD	3 Qtrs
Net (decrease) increase in cash and cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-69.85M	USD	3 Qtrs
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Cash and cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$384.12M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$605.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$604.16M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Cash and cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$534.32M	USD	Point-in-time
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$6.84M	USD	3 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$6.84M	USD	3 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$11.56M	USD	3 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$11.56M	USD	3 Qtrs
Accrued stock repurchase excise tax	`ShareRepurchaseProgramExciseTaxPayable`	$4.65M	USD	Point-in-time
Accrued stock repurchase excise tax	`ShareRepurchaseProgramExciseTaxPayable`	$4.65M	USD	Point-in-time
Accrued stock repurchase excise tax	`ShareRepurchaseProgramExciseTaxPayable`	$127.00K	USD	Point-in-time
Accrued stock repurchase excise tax	`ShareRepurchaseProgramExciseTaxPayable`	$127.00K	USD	Point-in-time

Stockholders Equity 90 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquity`	$1.57B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.57B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.64B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.64B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Net income (loss)	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$750.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$750.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-8.48M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-8.48M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$240.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$240.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-7.49M	USD	3 Qtrs
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-7.49M	USD	3 Qtrs
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.09M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.09M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-192.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-192.00K	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.00M	USD	3 Qtrs
Other comprehensive income (loss), net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.00M	USD	3 Qtrs
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$2.77M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$2.77M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$3.54M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$3.54M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$3.44M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$3.44M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$4.02M	USD	1 Quarter
Stock-based compensation, issuance of common stock for share vesting, and common stock reissuances	`ShareBasedCompensationIssuanceOfStockForShareVestingAndStockReissuance`	$4.02M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$112.64M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$112.64M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$1.56M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$1.56M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$5.16M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$5.16M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$20.12M	USD	1 Quarter
Common stock repurchases and related expenses	`TreasuryStockValueAcquiredCostMethodAndRelatedExpenses`	$20.12M	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$662.00K	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$662.00K	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$-23.00K	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$-23.00K	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$81.00K	USD	1 Quarter
Dividend equivalents	`DividendEquivalents`	$81.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.01M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.01M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.95M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.95M	USD	1 Quarter
Ending balance	`StockholdersEquity`	$1.57B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.57B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.64B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.64B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.65B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.59B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.59B	USD	Point-in-time

Comprehensive Income 56 line items

Line Item	Tag	Value	Unit	Period
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$127.00M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$58.91M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$3.80M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$189.71M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-33.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-4.95M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.51M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Net (loss) income	`NetIncomeLoss`	$-44.42M	USD	3 Qtrs
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-308.00K	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-308.00K	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$9.63M	USD	3 Qtrs
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$9.63M	USD	3 Qtrs
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-1.41M	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-1.41M	USD	1 Quarter
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-2.56M	USD	3 Qtrs
Amortization of and adjustments to employee benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent`	$-2.56M	USD	3 Qtrs
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-68.00K	USD	1 Quarter
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-68.00K	USD	1 Quarter
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$2.14M	USD	3 Qtrs
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$2.14M	USD	3 Qtrs
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-307.00K	USD	1 Quarter
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-307.00K	USD	1 Quarter
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-556.00K	USD	3 Qtrs
Income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-556.00K	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$750.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$750.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-8.48M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-8.48M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$240.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$240.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-7.49M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-7.49M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.09M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.09M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-192.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-192.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.10M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.00M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$2.00M	USD	3 Qtrs
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$4.04M	USD	1 Quarter
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$4.04M	USD	1 Quarter
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$182.22M	USD	3 Qtrs
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$182.22M	USD	3 Qtrs
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$-4.41M	USD	1 Quarter
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$-4.41M	USD	1 Quarter
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$-42.42M	USD	3 Qtrs
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTax`	$-42.42M	USD	3 Qtrs

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