Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 17,697	$ 30,560
Accounts receivable, net of allowance of $415 in 2015 and $812 in 2014	57,986	43,513
Inventory	12,963	10,665
Prepaid supplies and other	12,660	12,613
TOTAL CURRENT ASSETS	101,306	97,351
Property and equipment, net	875,401	847,268
Other assets	26,827	28,230
Goodwill and acquired intangibles	38,729	39,010
TOTAL ASSETS	1,042,263	1,011,859
CURRENT LIABILITIES:
Accounts payable	44,417	40,608
Accrued salaries, wages and benefits	27,454	25,633
Accrued expenses	8,107	8,201
Current portion of debt obligations	33,865	24,344
Unearned revenue	12,963	12,914
TOTAL CURRENT LIABILITIES	126,806	111,700
Long term debt	284,335	319,750
Post-retirement obligations	108,194	92,050
Other liabilities	61,913	57,647
Deferred income taxes	96,858	83,223
TOTAL LIABILITIES	$ 678,106	$ 664,370
Commitments and contingencies (Note G)
STOCKHOLDERS’ EQUITY:
Preferred stock, 20,000,000 shares authorized, including 75,000 Series A Junior Participating Preferred Stock	$ 0	$ 0
Common stock, par value $0.01 per share; 75,000,000 shares authorized; 64,077,140 and 64,854,950 shares issued and outstanding in 2015 and 2014, respectively	641	649
Additional paid-in capital	518,259	526,669
Accumulated deficit	(55,731)	(96,953)
Accumulated other comprehensive loss	(99,012)	(82,876)
TOTAL STOCKHOLDERS’ EQUITY	364,157	347,489
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,042,263	$ 1,011,859