CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES
Net (loss) earnings	$ (207,347,000)	$ (1,304,000)	$ 49,311,000
Net (earnings) loss from discontinued operations	(4,228,000)	(38,124,000)	5,438,000
Net (loss) earnings from continuing operations	(211,575,000)	(39,428,000)	54,749,000
Adjustments to reconcile net (loss) earnings to net cash provided by (used in) operating activities:
Depreciation	11,255,000	8,193,000	6,896,000
Goodwill impairment	82,524,000	63,948,000
Intangible asset impairment	135,480,000
Asset impairment	37,431,000	1,861,000
Amortization of intangibles	8,432,000	8,432,000	8,432,000
Amortization of deferred financing costs	235,000	966,000	1,327,000
Write-off of deferred debt costs on early extinguishment of debt	844,000	3,586,000
Stock-based compensation expense	3,494,000	4,436,000	6,594,000
Loss (gain) on disposal of property, plant and equipment	2,000	(35,000)	11,000
Provision for bad debt expense	486,000	379,000	111,000
Deferred income tax benefit	(60,194,000)	(4,701,000)	(4,838,000)
Changes in operating assets and liabilities:
Accounts receivable	8,747,000	13,541,000	(9,514,000)
Income tax receivable	(6,951,000)	(2,847,000)
Inventories	20,244,000	2,709,000	(19,437,000)
Other current assets	4,103,000	4,071,000	(4,874,000)
Accounts payable	(1,773,000)	(12,410,000)	9,426,000
Accrued liabilities	(1,379,000)	(50,000)	1,440,000
Income taxes payable	2,715,000	(6,235,000)	5,268,000
Other, net	(238,000)	402,000	(619,000)
Net cash provided by continuing operations	33,882,000	46,818,000	54,972,000
Net cash (used in) provided by discontinued operations	(32,000)	(109,341,000)	3,769,000
Net cash provided by (used in) operating activities	33,850,000	(62,523,000)	58,741,000
INVESTING ACTIVITIES
Capital expenditures	(10,677,000)	(21,537,000)	(16,061,000)
Proceeds from sale of fixed assets		43,000
Net cash used in continuing operations	(10,677,000)	(21,494,000)	(16,061,000)
Net cash provided by (used in) discontinued operations		274,354,000	(2,990,000)
Net cash (used in) provided by investing activities	(10,677,000)	252,860,000	(19,051,000)
FINANCING ACTIVITIES
Proceeds from exercise of stock options		596,000	950,000
Option exercise recognized tax benefit		77,000	142,000
Net settlement of options		(31,000)
Purchase of treasury stock		(57,000)
Common stock issued under employee stock option plan	41,000
Other issuance costs	(43,000)	(1,306,000)	(1,535,000)
Net cash provided by (used in) continuing operations	(2,000)	(721,000)	(443,000)
Net cash used in discontinued operations		(238,525,000)	(1,981,000)
Net cash (used in) provided by financing activities	(2,000)	(239,246,000)	(2,424,000)
Effect of exchange rate changes on cash	20,000	1,073,000	215,000
Net increase (decrease) in cash and cash equivalents	23,191,000	(47,836,000)	37,481,000
Cash and cash equivalents, beginning of period	58,794,000	106,630,000	69,149,000
Cash and cash equivalents, end of period	81,985,000	58,794,000	106,630,000
Less cash and cash equivalents of discontinued operations, end of period			8,297,000
Cash and cash equivalents from continuing operations, end of period	81,985,000	58,794,000	98,333,000
Cash paid during the period for:
Interest		6,699,000	14,359,000
Income taxes	$ 2,514,000	$ 114,482,000	$ 20,974,000