Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 12,785	$ (6,735)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, including amortization of debt issuance costs classified in interest expense	25,864	24,139
Amortization of swap termination costs	6,878	11,708
Net loss (gain) on sale or disposal of properties	143	(9)
Impairment of assets	3,220
Loss on extinguishment of debt		8,357
Equity compensation costs	4,979	3,490
Deferred income taxes and other	1,533	(5,994)
Changes in operating assets and liabilities, net of acquisitions and dispositions:
Accounts receivable	(23,767)	(12,399)
Other current assets	(10,031)	7,421
Accounts payable	11,914	6,677
Accrued expenses	19,691	21,884
Other assets and liabilities	(481)	191
Net cash provided by operating activities	52,728	58,730
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(36,185)	(30,582)
NECR government grant reimbursements	6,954
Proceeds from sale of assets	2,788	652
Acquisitions, net of cash acquired	(12,706)
Deferred costs and other	(45)
Net cash used in investing activities	(39,194)	(29,930)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on long-term debt	(263)	(380)
Repurchase of senior secured notes		(76,220)
Repurchase of common stock	(50,091)
Costs associated with sale of common stock		(106)
Deferred financing costs paid	(119)	(224)
Net cash used in financing activities	(50,473)	(76,930)
Effect of exchange rates on cash	453	(234)
Net decrease in cash	(36,486)	(48,364)
Cash, beginning of period	152,968	190,218
Cash, end of period	$ 116,482	$ 141,854