Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 37,895	$ 46,543
Accounts receivable, net of allowance of $1,164 in 2011 and $1,090 in 2010	48,009	40,876
Inventory	7,460	7,205
Prepaid supplies and other	11,474	10,132
Deferred income taxes	12,879	12,879
TOTAL CURRENT ASSETS	117,717	117,635
Property and equipment, net	728,030	658,756
Other assets	20,346	25,227
Intangibles	8,850	9,259
Goodwill	89,777	89,777
TOTAL ASSETS	964,720	900,654
CURRENT LIABILITIES:
Accounts payable	61,854	40,558
Accrued salaries, wages and benefits	25,460	24,145
Accrued expenses	12,334	12,144
Current portion of debt obligations	12,131	36,591
Unearned revenue	12,525	10,794
TOTAL CURRENT LIABILITIES	124,304	124,232
Long-term debt obligations	303,395	265,937
Post-retirement liabilities	110,442	116,614
Other liabilities	57,590	52,048
Deferred income taxes	49,433	39,746
Commitments and contingencies (Note F)
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; 64,155,606 and 63,652,228 shares issued and outstanding in 2011 and 2010, respectively	642	637
Additional paid-in capital	519,290	518,925
Accumulated deficit	(156,188)	(171,251)
Accumulated other comprehensive loss	(44,188)	(46,234)
TOTAL STOCKHOLDERS’ EQUITY	319,556	302,077
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 964,720	$ 900,654