Supplemental Guarantor Information Consolidating Condensed Statements of Operations (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 The Company (Parent) [Member]	Mar. 31, 2012 The Company (Parent) [Member]	Mar. 31, 2013 Combined Guarantor Subsidiaries [Member]	Mar. 31, 2012 Combined Guarantor Subsidiaries [Member]	Mar. 31, 2013 Combined Non-Guarantor Subsidiaries [Member]	Mar. 31, 2012 Combined Non-Guarantor Subsidiaries [Member]	Mar. 31, 2013 Eliminations [Member]	Mar. 31, 2012 Eliminations [Member]	Mar. 31, 2013 Convertible Senior Subordinated Debentures February 2027 [Member] Convertible Subordinated Debt [Member]	Feb. 17, 2007 Convertible Senior Subordinated Debentures February 2027 [Member] Convertible Subordinated Debt [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 337,616,000	$ 355,100,000	$ 60,909,000	$ 90,032,000	$ 124,615,000	$ 124,653,000	$ 173,925,000	$ 173,388,000	$ (21,833,000)	$ (32,973,000)
Interest Rate											4.125%
Debt Instrument, Face Amount												135,000,000
Cost of Goods Sold	241,838,000	244,503,000	52,353,000	67,952,000	89,834,000	89,905,000	121,705,000	119,415,000	(22,054,000)	(32,769,000)
Gross Profit	95,778,000	110,597,000	8,556,000	22,080,000	34,781,000	34,748,000	52,220,000	53,973,000	221,000	(204,000)
Selling, general and administrative expense	104,019,000	100,713,000	34,863,000	32,769,000	23,835,000	22,883,000	43,977,000	45,061,000	1,344,000	0
Restructuring Charges	2,522,000	561,000	1,671,000	6,000	0	21,000	851,000	534,000	0	0
Income (Loss) from Equity Method Investments	0	0	48,018,000	18,246,000	5,808,000	1,044,000	65,000	199,000	(53,891,000)	(19,489,000)
Interest Income (Expense), Net	(1,220,000)	(2,050,000)	45,000	870,000	(646,000)	(2,160,000)	(619,000)	(760,000)	0	0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(11,983,000)	7,273,000	20,085,000	8,421,000	16,108,000	10,728,000	6,838,000	7,817,000	(55,014,000)	(19,693,000)
Income Tax Expense (Benefit)	(7,450,000)	1,668,000	(15,096,000)	188,000	0	(395,000)	7,646,000	1,875,000	0	0
Income (Loss) from Continuing Operations Attributable to Parent	(4,533,000)	5,605,000	35,181,000	8,233,000	16,108,000	11,123,000	(808,000)	5,942,000	(55,014,000)	(19,693,000)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	39,714,000	2,628,000	0	0	39,714,000	2,628,000	0	0	0	0
Net Earnings (loss)	35,181,000	8,233,000	35,181,000	8,233,000	55,822,000	13,751,000	(808,000)	5,942,000	(55,014,000)	(19,693,000)
Other Comprehensive Income (Loss), Net of Tax	134,000	1,186,000	134,000	1,186,000	(2,186,000)	1,845,000	1,787,000	(150,000)	399,000	(1,695,000)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 35,315,000	$ 9,419,000	$ 35,315,000	$ 9,419,000	$ 53,636,000	$ 15,596,000	$ 979,000	$ 5,792,000	$ (54,615,000)	$ (21,388,000)