CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flow from operating activities:
Net income (loss)	$ 3,947	$ (24,238)
Adjustments to reconcile net income (loss) to net cash provided by operating activities before reorganization activities:
Depreciation and amortization	66,309	77,410
Reorganization items, net	(180)	1,049
Stock-based compensation	14,419	32,133
Interest accretion on notes payable	620	592
Amortization of debt issuance costs	2,138	1,188
Other, including loss on disposal of assets	3,615	2,775
Increase in accounts receivable	(51,246)	(44,643)
Increase in inventories, prepaid expenses and other current assets	(24,650)	(29,411)
Decrease in deposits and other assets	1	1,154
Increase in accounts payable, deferred income, accrued liabilities and other long-term liabilities	110,219	117,013
Increase in accrued interest payable	20,954	304
Deferred income tax benefit	(9,907)	(1,129)
Total adjustments	132,292	158,435
Net cash provided by operating activities before reorganization activities	136,239	134,197
Cash flow from reorganization activities:
Net cash used in reorganization activities	(332)	(996)
Total net cash provided by operating activities	135,907	133,201
Cash flow from investing activities:
Additions to property and equipment	(72,339)	(65,799)
Property insurance recovery		1,494
Purchase of identifiable intangible assets	(75)
Purchase of restricted-use investments	(313)	(15,133)
Maturities of restricted-use investments	178
Proceeds from sale of assets	70	156
Net cash used in investing activities	(72,479)	(79,282)
Cash flow from financing activities:
Repayment of borrowings	(3,143)	(2,086)
Payment of debt issuance costs	(263)	(1,437)
Proceeds from issuance of common stock	4,573	10,071
Purchase of redeemable noncontrolling interests	(288)	(2,033)
Stock repurchases	(403,663)	(98,401)
Payment of cash dividends	(87,995)	(64,445)
Net cash used in financing activities	(490,779)	(158,331)
Effect of exchange rate on cash	(646)	795
Decrease in cash and cash equivalents	(427,997)	(103,617)
Cash and cash equivalents at beginning of period	629,208	231,427
Cash and cash equivalents at end of period	201,211	127,810
Supplemental cash flow information
Cash paid for interest	13,719	21,045
Cash paid for income taxes	$ 8,019	$ 6,427