Supplemental Guarantor Information Consolidating Condensed Statements of Operations (Details) (USD $)	3 Months Ended				9 Months Ended		12 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2014 The Company (Parent) [Member]	Sep. 30, 2013 The Company (Parent) [Member]	Sep. 30, 2014 The Company (Parent) [Member]	Sep. 30, 2013 The Company (Parent) [Member]	Sep. 30, 2014 Combined Guarantor Subsidiaries [Member]	Sep. 30, 2013 Combined Guarantor Subsidiaries [Member]	Sep. 30, 2014 Combined Guarantor Subsidiaries [Member]	Sep. 30, 2013 Combined Guarantor Subsidiaries [Member]	Sep. 30, 2014 Combined Non-Guarantor Subsidiaries [Member]	Sep. 30, 2013 Combined Non-Guarantor Subsidiaries [Member]	Sep. 30, 2014 Combined Non-Guarantor Subsidiaries [Member]	Sep. 30, 2013 Combined Non-Guarantor Subsidiaries [Member]	Sep. 30, 2014 Eliminations [Member]	Sep. 30, 2013 Eliminations [Member]	Sep. 30, 2014 Eliminations [Member]	Sep. 30, 2013 Eliminations [Member]	Sep. 30, 2014 Convertible Senior Subordinated Debentures at 4.125% February 2027 Convertible Subordinated Debt	Feb. 17, 2007 Convertible Senior Subordinated Debentures at 4.125% February 2027 Convertible Subordinated Debt
Condensed Financial Statements, Captions [Line Items]
Interest rate (as a percent)																										4.125%
Principal Amount																											$ 135,000,000
Net sales	320,520,000			336,578,000	951,964,000	1,003,659,000				55,333,000	60,641,000	160,054,000	186,453,000	96,947,000	114,950,000	307,801,000	350,291,000	192,482,000	184,299,000	554,060,000	535,805,000	(24,242,000)	(23,312,000)	(69,951,000)	(68,890,000)
Cost of Goods Sold	235,873,000			242,371,000	692,946,000	727,516,000				49,799,000	52,454,000	144,620,000	159,884,000	76,819,000	84,997,000	234,288,000	258,609,000	133,533,000	128,232,000	384,025,000	378,287,000	(24,278,000)	(23,312,000)	(69,987,000)	(69,264,000)
Gross Profit	84,647,000			94,207,000	259,018,000	276,143,000				5,534,000	8,187,000	15,434,000	26,569,000	20,128,000	29,953,000	73,513,000	91,682,000	58,949,000	56,067,000	170,035,000	157,518,000	36,000	0	36,000	374,000
Selling, general and administrative expenses	98,181,000			97,579,000	295,328,000	302,757,000				32,124,000	29,046,000	95,990,000	99,338,000	19,765,000	24,223,000	62,633,000	69,085,000	46,375,000	44,310,000	136,788,000	131,640,000	(83,000)	0	(83,000)	2,694,000
Charges	4,077,000	2,090,000	2,240,000	1,884,000	8,407,000	6,998,000	9,336,000	11,395,000	10,534,000	3,149,000	1,597,000	5,203,000	5,078,000	0	36,000	(95,000)	49,000	928,000	251,000	3,299,000	1,871,000	0	0	0	0
Asset write-downs related to intangible assets	8,253,000			167,000	8,253,000	167,000				0	0	0	0	8,253,000	167,000	8,253,000	167,000	0	0	0	0	0	0	0	0
Income (Loss) from Equity Method Investments	0			0	0	0				13,251,000	32,513,000	37,596,000	105,501,000	8,476,000	8,935,000	23,103,000	21,472,000	(63,000)	22,000	(127,000)	(93,000)	(21,664,000)	(41,470,000)	(60,572,000)	(126,880,000)
Interest Income (Expense), Net	511,000			581,000	1,855,000	2,116,000				57,000	(603,000)	(227,000)	(1,418,000)	406,000	1,107,000	1,668,000	2,819,000	48,000	77,000	414,000	715,000	0	0	0	0
Income (Loss) from Continuing Operations before Income Taxes	(26,375,000)			(6,004,000)	(54,825,000)	(35,895,000)				(16,545,000)	10,660,000	(47,936,000)	29,072,000	180,000	13,355,000	24,157,000	41,034,000	11,535,000	11,451,000	29,407,000	23,199,000	(21,545,000)	(41,470,000)	(60,453,000)	(129,200,000)
Income tax provision	2,350,000			270,000	7,250,000	2,430,000				(1,449,000)	(5,442,000)	(1,251,000)	(9,749,000)	400,000	(480,000)	0	(1,470,000)	3,399,000	6,192,000	8,501,000	13,649,000	0	0	0	0
Net loss from Continuing Operations	(28,725,000)			(6,274,000)	(62,075,000)	(38,325,000)				(15,096,000)	16,102,000	(46,685,000)	38,821,000	(220,000)	13,835,000	24,157,000	42,504,000	8,136,000	5,259,000	20,906,000	9,550,000	(21,545,000)	(41,470,000)	(60,453,000)	(129,200,000)
Total Net Earnings from Discontinued Operations	13,629,000			22,376,000	15,390,000	77,146,000				0	0	0	0	13,629,000	22,376,000	15,390,000	77,146,000	0	0	0	0	0	0	0	0
Net Earnings (Loss)	(15,096,000)			16,102,000	(46,685,000)	38,821,000				(15,096,000)	16,102,000	(46,685,000)	38,821,000	13,409,000	36,211,000	39,547,000	119,650,000	8,136,000	5,259,000	20,906,000	9,550,000	(21,545,000)	(41,470,000)	(60,453,000)	(129,200,000)
Other Comprehensive Income (Loss)	(22,346,000)			9,874,000	(19,933,000)	1,845,000				(22,346,000)	9,874,000	(19,933,000)	1,845,000	(5,327,000)	220,000	(3,038,000)	(415,000)	(9,521,000)	10,135,000	(18,476,000)	2,228,000	14,848,000	(10,355,000)	21,514,000	(1,813,000)
Comprehensive Income (Loss)	$ (37,442,000)			$ 25,976,000	$ (66,618,000)	$ 40,666,000				$ (37,442,000)	$ 25,976,000	$ (66,618,000)	$ 40,666,000	$ 8,082,000	$ 36,431,000	$ 36,509,000	$ 119,235,000	$ (1,385,000)	$ 15,394,000	$ 2,430,000	$ 11,778,000	$ (6,697,000)	$ (51,825,000)	$ (38,939,000)	$ (131,013,000)