Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 54,623	$ 25,505
Accounts receivable, net of allowance of $1,357 and $1,568, respectively	253,144	305,305
Deferred tax assets	8,464	14,132
Prepaid expenses and other current assets	32,143	31,196
Current assets of discontinued operations	2,030	2,155
Total current assets	350,404	378,293
Property and equipment, net	2,531,333	2,549,295
Restricted cash	6,760	6,756
Investment in direct financing lease	10,039	10,798
Goodwill	11,988	11,988
Other assets	25,824	26,092
Non-current assets of discontinued operations		6
Total assets	2,936,348	2,983,228
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	183,723	203,796
Income taxes payable	113	476
Current liabilities of discontinued operations	1,158	1,583
Total current liabilities	184,994	205,855
Long-term debt	1,104,294	1,156,568
Deferred tax liabilities	123,823	118,245
Other liabilities	33,418	31,689
Total liabilities	1,446,529	1,512,357
Commitments and contingencies
Common stock - $0.01 par value; 300,000 shares authorized; 107,169 and 109,754 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	1,072	1,098
Additional paid-in capital	1,290,917	1,354,691
Retained earnings	197,830	115,082
Total stockholders' equity	1,489,819	1,470,871
Total liabilities and stockholders' equity	$ 2,936,348	$ 2,983,228