CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues:
Sales	$ 285,646us-gaap_SalesRevenueNet	$ 405,229us-gaap_SalesRevenueNet
Miscellaneous income	5,280us-gaap_OtherOperatingIncomeExpenseNet	8,656us-gaap_OtherOperatingIncomeExpenseNet
Total revenues	290,926us-gaap_Revenues	413,885us-gaap_Revenues
Costs and expenses:
Cost of sales (exclusive of depreciation and depletion)	284,693us-gaap_CostOfCoalProductsAndServices	349,875us-gaap_CostOfCoalProductsAndServices
Depreciation and depletion	59,182us-gaap_DepreciationAndAmortization	76,424us-gaap_DepreciationAndAmortization
Selling, general and administrative	21,061	20,779
Other postretirement benefits	12,333	13,869
Total costs and expenses	377,269us-gaap_CostsAndExpenses	460,947us-gaap_CostsAndExpenses
Operating loss	(86,343)us-gaap_OperatingIncomeLoss	(47,062)us-gaap_OperatingIncomeLoss
Interest expense, net	(78,236)us-gaap_InterestIncomeExpenseNet	(65,432)us-gaap_InterestIncomeExpenseNet
Gain (loss) on extinguishment of debt	58,626	(13,889)
Other loss	0us-gaap_OtherNonoperatingIncomeExpense	(1,756)us-gaap_OtherNonoperatingIncomeExpense
Loss before income tax benefit	(105,953)	(128,139)
Income tax benefit	25,757us-gaap_IncomeTaxExpenseBenefit	35,961us-gaap_IncomeTaxExpenseBenefit
Net loss	$ (80,196)us-gaap_NetIncomeLoss	$ (92,178)us-gaap_NetIncomeLoss
Basic and diluted net loss per share (in usd per share)	$ (1.08)us-gaap_EarningsPerShareBasicAndDiluted	$ (1.47)us-gaap_EarningsPerShareBasicAndDiluted
Dividends per share (in usd per share)	$ 0.00	$ 0.01

Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770