Guarantor and Non-guarantor Financial Statements, Condensed Consolidated Statements of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
Net sales	$ 172,812	$ 184,007	$ 181,575	$ 166,784	$ 144,691	$ 155,264	$ 179,941	$ 162,987	$ 705,178	$ 642,883	$ 794,634
Cost of goods sold	158,691	164,095	159,153	149,761	135,989	144,994	161,235	156,709	631,700	598,927	743,633
GROSS PROFIT	14,121	19,912	22,422	17,023	8,702	10,270	18,706	6,278	73,478	43,956	51,001
Operating expenses	10,400	9,868	10,118	10,454	10,371	10,995	12,747	11,075	40,840	45,188	190,231
INCOME (LOSS) FROM OPERATIONS	3,721	10,044	12,304	6,569	(1,669)	(725)	5,959	(4,797)	32,638	(1,232)	(139,230)
Other income (expense):
Interest expense, net									(33,713)	(35,027)	(34,938)
Equity in earnings of subsidiaries									0	0	0
Other income (expense), net									(3,506)	(320)	(864)
LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS									(4,581)	(36,579)	(175,032)
Income tax provision (benefit)	(1,560)	(410)	(1,461)	904	(12,622)	(495)	1,464	1,409	(2,527)	(10,244)	(1,657)
LOSS FROM CONTINUING OPERATIONS	(5,083)	1,205	5,109	(3,285)	1,918	(8,395)	(5,103)	(14,755)	(2,054)	(26,335)	(173,375)
Discontinued operations, net of tax	(45)	(106)	186	(288)	(307)	(10,220)	(259)	(1,192)	(253)	(11,978)	(4,632)
NET LOSS	(5,128)	1,099	5,295	(3,573)	1,611	(18,615)	(5,362)	(15,947)	(2,307)	(38,313)	(178,007)
Comprehensive income (loss)									(33,233)	(5,191)	(195,419)
Eliminations [Member]
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
Net sales									(212,597)	(207,288)	(188,998)
Cost of goods sold									(210,852)	(206,559)	(188,998)
GROSS PROFIT									(1,745)	(729)	0
Operating expenses									0	0	0
INCOME (LOSS) FROM OPERATIONS									(1,745)	(729)	0
Other income (expense):
Interest expense, net									0	0	0
Equity in earnings of subsidiaries									(23,581)	(11,786)	147,264
Other income (expense), net									0	0	0
LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS									(25,326)	(12,515)	147,264
Income tax provision (benefit)									0	0	0
LOSS FROM CONTINUING OPERATIONS									(25,326)	(12,515)	147,264
Discontinued operations, net of tax									0	0	0
NET LOSS									(25,326)	(12,515)	147,264
Comprehensive income (loss)									21,543	(42,056)	162,211
Parent [Member]
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
Net sales									473,264	429,175	438,350
Cost of goods sold									426,969	403,996	420,062
GROSS PROFIT									46,295	25,179	18,288
Operating expenses									39,428	43,118	16,384
INCOME (LOSS) FROM OPERATIONS									6,867	(17,939)	1,904
Other income (expense):
Interest expense, net									(34,777)	(35,664)	(34,672)
Equity in earnings of subsidiaries									23,581	11,786	(147,264)
Other income (expense), net									(2,571)	(259)	1,167
LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS									(6,900)	(42,076)	(178,865)
Income tax provision (benefit)									(4,593)	(3,763)	(858)
LOSS FROM CONTINUING OPERATIONS									(2,307)	(38,313)	(178,007)
Discontinued operations, net of tax									0	0	0
NET LOSS									(2,307)	(38,313)	(178,007)
Comprehensive income (loss)									(33,233)	(5,191)	(195,419)
Guarantor Subsidiaries [Member]
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
Net sales									313,242	288,220	398,662
Cost of goods sold									293,644	277,955	371,192
GROSS PROFIT									19,598	10,265	27,470
Operating expenses									1,228	1,747	173,557
INCOME (LOSS) FROM OPERATIONS									18,370	8,518	(146,087)
Other income (expense):
Interest expense, net									(226)	(800)	(239)
Equity in earnings of subsidiaries									0	0	0
Other income (expense), net									453	222	243
LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS									18,597	7,940	(146,083)
Income tax provision (benefit)									1,068	(8,438)	0
LOSS FROM CONTINUING OPERATIONS									17,529	16,378	(146,083)
Discontinued operations, net of tax									0	0	0
NET LOSS									17,529	16,378	(146,083)
Comprehensive income (loss)									(19,022)	32,012	(153,548)
Non-guarantor Subsidiaries [Member]
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
Net sales									131,269	132,776	146,620
Cost of goods sold									121,939	123,535	141,377
GROSS PROFIT									9,330	9,241	5,243
Operating expenses									184	323	290
INCOME (LOSS) FROM OPERATIONS									9,146	8,918	4,953
Other income (expense):
Interest expense, net									1,290	1,437	(27)
Equity in earnings of subsidiaries									0	0	0
Other income (expense), net									(1,388)	(283)	(2,274)
LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS									9,048	10,072	2,652
Income tax provision (benefit)									998	1,957	(799)
LOSS FROM CONTINUING OPERATIONS									8,050	8,115	3,451
Discontinued operations, net of tax									(253)	(11,978)	(4,632)
NET LOSS									7,797	(3,863)	(1,181)
Comprehensive income (loss)									$ (2,521)	$ 10,044	$ (8,663)