Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 20,612	$ 30,560
Accounts receivable, net of allowance of $693 in 2015 and $812 in 2014	44,591us-gaap_AccountsReceivableNetCurrent	43,513us-gaap_AccountsReceivableNetCurrent
Inventory	10,313us-gaap_InventoryNet	10,665us-gaap_InventoryNet
Prepaid supplies and other	9,274	11,898
Deferred income taxes	19,770us-gaap_DeferredTaxAssetsNetCurrent	19,770us-gaap_DeferredTaxAssetsNetCurrent
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current	665	715
TOTAL CURRENT ASSETS	105,225us-gaap_AssetsCurrent	117,121us-gaap_AssetsCurrent
Property and equipment, net	857,450us-gaap_PropertyPlantAndEquipmentNet	847,268us-gaap_PropertyPlantAndEquipmentNet
Other assets	26,776us-gaap_OtherAssetsNoncurrent	28,230us-gaap_OtherAssetsNoncurrent
Goodwill and acquired intangibles	38,940	39,010
Goodwill	34,395us-gaap_Goodwill	34,395us-gaap_Goodwill
TOTAL ASSETS	1,028,391us-gaap_Assets	1,031,629us-gaap_Assets
CURRENT LIABILITIES:
Accounts payable	36,339	40,608
Accrued salaries, wages and benefits	22,383	25,633
Accrued expenses	8,412us-gaap_AccruedLiabilitiesCurrent	8,201us-gaap_AccruedLiabilitiesCurrent
Current portion of debt obligations	24,507	24,344
Unearned revenue	9,850us-gaap_DeferredRevenueCurrent	12,914us-gaap_DeferredRevenueCurrent
TOTAL CURRENT LIABILITIES	101,491us-gaap_LiabilitiesCurrent	111,700us-gaap_LiabilitiesCurrent
Long term debt	312,011	319,750
Post-retirement obligations	88,915	92,050
Other liabilities	59,735us-gaap_OtherLiabilitiesNoncurrent	57,647us-gaap_OtherLiabilitiesNoncurrent
Deferred income taxes	108,820	102,993
TOTAL LIABILITIES	670,972us-gaap_Liabilities	684,140us-gaap_Liabilities
Commitments and contingencies (Note G)
STOCKHOLDERS’ EQUITY:
Preferred stock, 20,000,000 shares authorized, including 75,000 Series A Junior Participating Preferred Stock	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, par value $0.01 per share; 75,000,000 shares authorized; 65,119,626 and 64,854,950 shares issued and outstanding in 2015 and 2014, respectively	651us-gaap_CommonStockValueOutstanding	649us-gaap_CommonStockValueOutstanding
Additional paid-in capital	526,832us-gaap_AdditionalPaidInCapital	526,669us-gaap_AdditionalPaidInCapital
Accumulated deficit	(87,844)	(96,953)
Accumulated other comprehensive loss	(82,220)	(82,876)
TOTAL STOCKHOLDERS’ EQUITY	357,419us-gaap_StockholdersEquity	347,489us-gaap_StockholdersEquity
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,028,391	$ 1,031,629

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, and other costs not separately disclosed in the balance sheet that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.

No definition available.