CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net loss	$ (171,820)	$ (18,804)	$ (15,260)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	38,636	40,949	40,748
Impairment charge	6,533	7,547
Deferred taxes	55,930	(3,788)	3,424
Non-cash share-based compensation	9,570	9,588	8,756
(Gain) loss on disposal of long-lived assets	(7,491)	177	(594)
Changes in assets and liabilities:
Accounts receivable, net	28,100	(2,096)	(11,567)
Inventories	36,460	(38,824)	47,415
Other assets	20,599	(9,896)	8,380
Accounts payable and accrued expenses	(12,613)	13,012	(19,713)
Accrued employee compensation and benefits	(4,187)	2,595	(5,179)
Accrued warranty expense	(287)	(1,022)	(2,165)
Income taxes receivable and payable	7,653	8,356	(6,567)
Other liabilities	3,015	1,838	(4,807)
Net cash provided by operating activities	10,098	9,632	42,871
Cash flows from investing activities:
Capital expenditures	(28,931)	(22,216)	(38,845)
Proceeds from sales of property and equipment	19,371
Other investing activities		(2,581)	166
Net cash used in investing activities	(9,560)	(24,797)	(38,679)
Cash flows from financing activities:
Issuance of common stock	2,195	2,954	2,562
Issuance of preferred stock			140,000
Equity issuance costs		(54)	(6,031)
Dividends paid, net	(13,093)	(13,067)	(11,590)
Borrowings/(payments) on credit facilities, net			(90,000)
Credit facility origination fees	(2,467)
Other financing activities	80	(650)	172
Net cash provided by (used in) financing activities	(13,285)	(10,817)	35,113
Effect of exchange rate changes on cash and cash equivalents	727	2,711	672
Net increase (decrease) in cash and cash equivalents	(12,020)	(23,271)	39,977
Cash and cash equivalents at beginning of year	55,043	78,314	38,337
Cash and cash equivalents at end of year	43,023	55,043	78,314
Supplemental disclosures:
Cash paid for interest and fees	3,744	568	1,563
Cash received for income taxes	3,473	13,849	8,974
Dividends payable	$ 438	$ 438	$ 438