Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (40,219)	$ 4,085
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including amortization of debt issuance costs classified in interest expense	11,432	12,945
Amortization of swap termination costs	1,591	3,677
Net (gain) loss on sale or disposal of properties	(163)	207
Loss on extinguishment of debt	82,441
Equity compensation costs	5,727	2,609
Deferred income taxes and other	(24,280)	615
Changes in operating assets and liabilities:
Accounts receivable	3,582	(3,025)
Other current assets	(6,046)	(3,924)
Accounts payable	(9,481)	4,198
Accrued expenses	(5,250)	2,124
Other assets and liabilities	218	(388)
Net cash provided by operating activities	19,552	23,123
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(12,791)	(15,786)
NECR government grant reimbursements	273	2,400
Proceeds from sale of assets	3,507	848
Other	(140)
Net cash used in investing activities	(9,151)	(12,538)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on long-term debt	(7,125)	(263)
Proceeds from issuance of long-term debt	589,075
Repurchase of senior secured notes	(573,500)
Repurchase of common stock	(520)	(33,634)
Financing costs paid	(11,037)	(119)
Net cash used in financing activities	(3,107)	(34,016)
Effect of exchange rates on cash	187	517
Net increase (decrease) in cash	7,481	(22,914)
Cash, beginning of period	90,999	152,968
Cash, end of period	$ 98,480	$ 130,054