Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities
Net income (loss)	$ 110,224	$ (506,196)	$ 108,471
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	109,471	129,466	131,205
Stock-based compensation	19,512	16,411	19,107
Amortization of prepaid debt fees	1,597	5,715	5,492
Amortization of convertible debt discount	0	5,336	10,099
Deferred taxes, net	(6,775)	(12,985)	(17,992)
Goodwill impairment	0	584,847	0
Restructuring expense (recovery), non-cash		25,144	0
Restructuring Cost Recovery	(4,839)
Other adjustments, net	(189)	(44)	1,864
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	36,300	(22,770)	(45,612)
Inventories	28,253	6,389	(41,417)
Other current assets	(20,052)	(3,859)	(7,655)
Other long-term assets	10,578	(17,401)	(8,436)
Accounts payables, other current liabilities, and taxes payable	(47,367)	22,715	40,884
Wages and benefits payable	(8,967)	(19,813)	42,245
Unearned revenue	12,009	19,070	(2,356)
Warranty	(25,919)	29,616	14,656
Other operating, net	(8,746)	(9,283)	4,036
Net cash provided by operating activities	205,090	252,358	254,591
Investing activities
Acquisitions of property, plant, and equipment	(50,543)	(60,076)	(62,822)
Business acquisitions, net of cash equivalents acquired	(79,017)	(20,092)	0
Other investing, net	4,115	1,427	6,548
Net cash used in investing activities	(125,445)	(78,741)	(56,274)
Financing activities
Proceeds from borrowings	80,000	670,000	0
Payments on debt	(115,002)	(848,054)	(155,163)
Issuance of common stock	4,781	4,625	8,776
Repurchase of common stock	(47,441)	(29,428)	0
Other financing, net	134	(6,596)	(2,250)
Net cash used in financing activities	(77,528)	(209,453)	(148,637)
Effect of foreign exchange rate changes on cash and cash equivalents	1,208	(555)	(2,096)
Increase (decrease) in cash and cash equivalents	3,325	(36,391)	47,584
Cash and cash equivalents at beginning of period	133,086	169,477	121,893
Cash and cash equivalents at end of period	136,411	133,086	169,477
Non-cash transactions:
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	8,843	6,739	5,995
Supplemental disclosure of cash flow information:
Income taxes, net	40,799	28,128	30,142
Interest, net of amounts capitalized	$ 8,536	$ 28,047	$ 39,315