CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities:
Net income (loss)	$ 54,037	$ (307,035)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Goodwill and intangible asset impairment		376,574
Depreciation and amortization	41,766	46,676
Stock-based compensation expense	6,597	7,424
Excess income tax benefit from stock-based compensation	(356)
Deferred income taxes	(503)	(42,008)
Adjustment of interest rate swap to fair value		264
Loss on sale of investments		2,699
(Gain) loss on sale of property and equipment	(220)	509
Other long-term liabilities	17,877	(8,399)
Other non-cash items	444	(446)
Changes in other components of working capital	(130,700)	(104,135)
NET CASH USED IN OPERATING ACTIVITIES	(11,058)	(27,877)
Cash Flows from Investing Activities:
Acquisition of property and equipment	(39,810)	(33,737)
Proceeds from sale of property and equipment	2,551	11,750
Investments in available-for-sale securities		(535)
Proceeds from sale of available-for-sale securities		16,553
Change in restricted cash	(8,749)	(3,263)
NET CASH USED IN INVESTING ACTIVITIES	(46,008)	(9,232)
Cash Flows from Financing Activities:
Proceeds from debt	571,285	511,579
Repayment of debt	(536,227)	(485,543)
Business acquisition related payments	(17,716)	(10,090)
Excess income tax benefit from stock-based compensation	356
Issuance of common stock and effect of cashless exercise	(786)	(307)
Debt issuance costs		(1,993)
NET CASH PROVIDED BY FINANCING ACTIVITIES	16,912	13,646
Net Decrease in Cash and Cash Equivalents	(40,154)	(23,463)
Cash and Cash Equivalents at Beginning of Year	168,056	204,240
Cash and Cash Equivalents at End of Period	127,902	180,777
Supplemental Disclosure of Cash Paid For:
Interest	26,918	24,005
Income taxes	18,449	17,647
Supplemental Disclosure of Non-cash Transactions:
Property and equipment acquired through financing arrangements	458	2,050
Grant date fair value of common stock issued for services	$ 11,393	$ 5,075