CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 86,879	$ 124,281
Accounts receivable, net of allowance for doubtful accounts of $6,469 and $2,175 as of September 30, 2011 and December 31, 2010, respectively	187,236	178,179
Inventories	79,396	68,744
Deferred income taxes, current portion	2,339	2,448
Prepaid expenses, deposits and other current assets	52,435	40,013
Total current assets	408,285	413,665
Property and equipment, at cost	780,930	776,367
Less: accumulated depreciation	(342,631)	(325,786)
Net Property and equipment	438,299	450,581
Goodwill, net	766,288	763,915
Intangible assets, net	88,792	70,613
Other assets and investments	494,677	452,764
Total assets	2,196,341	2,151,538
Current liabilities:
Debt payments due within one year	9,391	8,431
Accounts payable	64,640	50,642
Accrued liabilities	160,241	136,925
Total current liabilities	234,272	195,998
Deferred income taxes	61,382	60,858
Other long-term liabilities	57,517	53,765
Long-term debt, excluding current installments	1,382,393	1,388,259
Total liabilities	1,735,564	1,698,880
Commitments and contingencies
Stockholders' equity:
Class A common stock, par value $0.01 per share, 199,300 shares authorized, 97,877 and 97,474 shares issued and 92,128 and 91,725 shares outstanding as of September 30, 2011 and December 31, 2010, respectively	979	975
Additional paid-in capital	689,861	674,691
Accumulated loss	(135,058)	(131,021)
Treasury stock, at cost, 5,749 shares held as of September 30, 2011 and December 31, 2010	(74,460)	(74,460)
Accumulated other comprehensive (loss)	(20,545)	(17,527)
Total stockholders' equity	460,777	452,658
Total liabilities and stockholders' equity	$ 2,196,341	$ 2,151,538