CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net (Loss) Income	$ (307,035)	$ 62,100
Adjustments to reconcile Net (Loss) Income to net cash from operating activities:
Goodwill and intangible asset impairment	376,574	0
Depreciation and amortization	46,676	29,594
Stock-based compensation expense	7,424	6,820
Adjustment of interest rate swap to fair value	264	0
Excess income tax benefit from stock-based compensation	0	(18)
Deferred income taxes	(42,008)	412
Loss on sale of investments	2,699	0
Loss (gain) on sale of equipment	509	(896)
Gain on bargain purchase	0	(4,000)
Other long-term liabilities	(8,399)	(7,919)
Other non-cash items	(446)	(3,251)
Changes in other components of working capital	(104,135)	(207,854)
NET CASH USED IN OPERATING ACTIVITIES	(27,877)	(125,012)
Cash Flows from Investing Activities:
Acquisitions, net of cash balance acquired	0	(337,873)
Acquisition of property and equipment	(33,737)	(39,694)
Proceeds from sale of property and equipment	11,750	6,526
Investment in available-for-sale securities	(535)	0
Proceeds from sale of available-for-sale securities	16,553	7,388
Change in restricted cash	(3,263)	(7,196)
NET CASH USED IN INVESTING ACTIVITIES	(9,232)	(370,849)
Cash Flows from Financing Activities:
Proceeds from debt	511,579	567,782
Repayment of debt	(485,543)	(263,059)
Business acquisition related payments	(10,090)	(1,904)
Excess income tax benefit from stock-based compensation	0	18
Issuance of common stock and effect of cashless exercise	(307)	(44)
Debt issuance costs	(1,993)	(4,989)
NET CASH PROVIDED BY FINANCING ACTIVITIES	13,646	297,804
Net Decrease in Cash and Cash Equivalents	(23,463)	(198,057)
Cash and Cash Equivalents at Beginning of Year	204,240	471,378
Cash and Cash Equivalents at End of Period	180,777	273,321
Supplemental Disclosure of Cash Paid During the Period For:
Interest	24,005	17,714
Income taxes	17,647	40,225
Supplemental Disclosure of Non-cash Transactions:
Property and equipment acquired through financing arrangements	2,050	1,604
Grant date fair value of common stock issued for services	$ 5,075	$ 5,061