Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets:
Cash	$ 37,587	$ 42,700
Restricted cash	0	543
Accounts receivable, net	71,545	89,248
Prepaid expenses	25,360	26,552
Other current assets	5,406	3,876
Deferred income tax, net	7,638	18,250
Total current assets	147,536	181,169
Property, plant and equipment, net	1,213,729	1,301,292
Intangible assets, net	94,879	105,886
Debt issue costs, net	5,949	7,101
Restricted cash	651	651
Other assets	3,214	3,799
Total assets	1,465,958	1,599,898
Liabilities and Stockholders' Deficit
Current portion of long-term debt	6,400	6,400
Current portion of capital lease obligations	627	1,445
Accounts payable	62,985	37,876
Claims payable and estimated claims accrual	216	256
Accrued interest payable	9,978	9,977
Accrued payroll and related expenses	25,218	34,897
Other accrued liabilities	47,147	55,994
Total current liabilities	152,571	146,845
Capital lease obligations	962	447
Accrued pension obligations	212,806	153,534
Accrued post-retirement healthcare obligations	735,351	584,734
Deferred income taxes	35,231	85,948
Other long-term liabilities	21,131	25,864
Long-term debt, net of current portion	908,190	911,722
Total long-term liabilities	1,913,671	1,762,249
Total liabilities	2,066,242	1,909,094
Commitments and contingencies (See Note 18)
Stockholders' deficit:
Common stock, $0.01 par value, 37,500,000 shares authorized, 26,710,569 and 26,480,837 shares issued and outstanding at December 31, 2014 and 2013, respectively	267	264
Additional paid-in capital	516,080	512,008
Retained deficit	(798,008)	(661,689)
Accumulated other comprehensive loss	(318,623)	(159,779)
Total stockholders' deficit	(600,284)	(309,196)
Total liabilities and stockholders' deficit	$ 1,465,958	$ 1,599,898