CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 135,954	$ 104,402
Accounts receivable, net of allowance for doubtful accounts of $9,530 and $4,782 as of September 30, 2012 and December 31, 2011, respectively	180,807	182,467
Inventories	87,792	79,742
Deferred income taxes, current portion	4,613	3,606
Notes receivable	10,300	0
Prepaid expenses, deposits and other current assets	42,626	35,339
Total current assets	462,092	405,556
Property and equipment, at cost	838,556	788,529
Less: accumulated depreciation	(442,156)	(362,041)
Net property and equipment	396,400	426,488
Goodwill	797,624	768,393
Intangible assets, net	87,236	86,859
Equity investments	321,005	340,494
Other assets	133,678	134,121
Total assets	2,198,035	2,161,911
Current liabilities:
Debt payments due within one year	14,978	26,191
Accounts payable	55,632	66,221
Accrued liabilities	156,294	144,681
Total current liabilities	226,904	237,093
Deferred income taxes	62,677	56,264
Other long-term liabilities	54,229	60,364
Long-term debt, excluding current installments	1,454,088	1,364,476
Total liabilities	1,797,898	1,718,197
Commitments and contingencies
Stockholders' equity:
Class A common stock, par value $0.01 per share, 199,300 shares authorized, 98,877 and 98,181 shares issued and 86,707 and 92,433 shares outstanding as of September 30, 2012 and December 31, 2011, respectively	989	982
Additional paid-in capital	710,738	693,600
Accumulated loss	(181,494)	(143,591)
Treasury stock, at cost, 12,171 and 5,749 shares held as of September 30, 2012 and December 31, 2011, respectively	(121,862)	(74,460)
Accumulated other comprehensive loss	(8,234)	(32,817)
Total stockholders' equity	400,137	443,714
Total liabilities and stockholders' equity	$ 2,198,035	$ 2,161,911