Guarantor and Non-guarantor Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Guarantor and Non-guarantor Financial Statements [Abstract]
Percentage of ownership in domestic subsidiaries (in hundredths)	100.00%		100.00%
ASSETS
Cash and cash equivalents	$ 35,661	$ 35,063	$ 35,661	$ 35,063	$ 56,915
Customer and other receivables, net	114,678		114,678		98,075
Inventories	82,299		82,299		72,827
Other current assets	13,390		13,390		12,332
Total current assets	246,028		246,028		240,149
Property, plant, and equipment, net	288,776		288,776		271,562
Goodwill	163,536		163,536		163,536
Intangible assets, net	175,958		175,958		181,349
Investments in and advances to subsidiaries and affiliates	0		0		0
Deferred income taxes	0		0
Other non-current assets	9,994		9,994		12,266
TOTAL	884,292		884,292		868,862
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	83,584		83,584		80,261
Accrued payroll and compensation	14,556		14,556		16,466
Accrued interest payable	12,480		12,480		12,503
Other current liabilities	23,633		23,633		19,259
Total current liabilities	134,253		134,253		128,489
Long term debt	323,607		323,607		323,082
Deferred and non-current income taxes	30,277		30,277		28,899
Other non-current liabilities	141,096		141,096		131,009
Stockholders' equity	255,059		255,059		257,383	298,099
TOTAL	884,292		884,292		868,862
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	268,783	241,872	538,301	452,767
Cost of goods sold	243,958	219,428	491,376	413,033
GROSS PROFIT	24,825	22,444	46,925	39,734
Operating expenses	15,233	13,984	30,097	29,833
INCOME FROM OPERATIONS	9,592	8,460	16,828	9,901
Other income (expense):
Interest expense, net	(8,658)	(8,400)	(17,403)	(16,740)
Equity in earnings of subsidiaries	0	0	0	0
Other income (loss), net	(436)	233	(279)	2,396
INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS	498	293	(854)	(4,443)
Income tax provision (benefit)	1,339	(107)	2,936	392
INCOME (LOSS) FROM CONTINUING OPERATIONS	(841)	400	(3,790)	(4,835)
Discontinued operations, net of tax	0	877	0	951
NET INCOME (LOSS)	(841)	1,277	(3,790)	(3,884)	(17,031)
Comprehensive income (loss)	(662)	1,249	(3,829)	(4,031)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(841)	1,277	(3,790)	(3,884)	(17,031)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation			19,921	19,188
Amortization - deferred financing costs			1,379	1,379
Amortization - other intangible assets			5,391	6,765
(Gain) loss on disposal of assets			171	444
Deferred income taxes			1,395	0
Non-cash stock-based compensation	967	698	1,715	1,280	2,397
Equity in earnings of subsidiaries	0	0	0	0
Non-cash change in warrant liability			0	(2,426)
Change in other operating items			(22,785)	(48,976)
Net cash provided by (used in) operating activities			3,397	(26,230)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(25,651)	(22,577)
Other			1,000	(14,596)
Net cash used in investing activities			(24,651)	(37,173)
CASH FLOWS FROM FINANCING ACTIVITIES:
Other			0	20,000
Net cash provided by financing activities			0	20,000
Increase (decrease) in cash and cash equivalents			(21,254)	(43,403)
CASH AND CASH EQUIVALENTS-Beginning of period			56,915	78,466	78,466
CASH AND CASH EQUIVALENTS-End of period	35,661	35,063	35,661	35,063	56,915
Parent [Member]
ASSETS
Cash and cash equivalents	33,737	29,356	33,737	29,356
Customer and other receivables, net	43,319		43,319		36,736
Inventories	27,280		27,280		26,655
Other current assets	5,315		5,315		4,441
Total current assets	109,651		109,651		119,410
Property, plant, and equipment, net	85,747		85,747		73,765
Goodwill	96,283		96,283		96,283
Intangible assets, net	135,175		135,175		139,384
Investments in and advances to subsidiaries and affiliates	287,190		287,190		281,552
Deferred income taxes	0		0
Other non-current assets	8,918		8,918		9,880
TOTAL	722,964		722,964		720,274
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	15,112		15,112		17,615
Accrued payroll and compensation	2,123		2,123		3,079
Accrued interest payable	12,480		12,480		12,503
Other current liabilities	59,815		59,815		52,932
Total current liabilities	89,530		89,530		86,129
Long term debt	323,607		323,607		323,082
Deferred and non-current income taxes	38,440		38,440		37,045
Other non-current liabilities	16,328		16,328		16,635
Stockholders' equity	255,059		255,059		257,383
TOTAL	722,964		722,964		720,274
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	119,374	111,793	241,950	213,116
Cost of goods sold	103,971	98,258	206,905	190,489
GROSS PROFIT	15,403	13,535	35,045	22,627
Operating expenses	13,919	12,364	27,591	25,268
INCOME FROM OPERATIONS	1,484	1,171	7,454	(2,641)
Other income (expense):
Interest expense, net	(8,540)	(8,185)	(17,119)	(16,307)
Equity in earnings of subsidiaries	7,284	7,528	7,525	11,756
Other income (loss), net	(996)	407	(216)	2,870
INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS	(768)	921	(2,356)	(4,322)
Income tax provision (benefit)	73	(356)	1,434	(438)
INCOME (LOSS) FROM CONTINUING OPERATIONS	(841)	1,277	(3,790)	(3,884)
Discontinued operations, net of tax	0	0	0	0
NET INCOME (LOSS)	(841)	1,277	(3,790)	(3,884)
Comprehensive income (loss)	(841)	1,277	(3,790)	(3,884)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(841)	1,277	(3,790)	(3,884)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation			4,574	4,161
Amortization - deferred financing costs			1,379	1,379
Amortization - other intangible assets			4,209	4,665
(Gain) loss on disposal of assets			(2,075)	(580)
Deferred income taxes			1,395	1
Non-cash stock-based compensation			1,715	1,280
Equity in earnings of subsidiaries	(7,284)	(7,528)	(7,525)	(11,756)
Non-cash change in warrant liability				(2,426)
Change in other operating items			(5,661)	(33,821)
Net cash provided by (used in) operating activities			(5,779)	(40,981)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(13,572)	(3,663)
Other			0	(22,381)
Net cash used in investing activities			(13,572)	(26,044)
CASH FLOWS FROM FINANCING ACTIVITIES:
Other			1,510	21,267
Net cash provided by financing activities			1,510	21,267
Increase (decrease) in cash and cash equivalents			(17,841)	(45,758)
CASH AND CASH EQUIVALENTS-Beginning of period			51,578	75,114	75,114
CASH AND CASH EQUIVALENTS-End of period	33,737	29,356	33,737	29,356
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	(4,717)	(627)	(4,717)	(627)
Customer and other receivables, net	106,453		106,453		100,097
Inventories	48,993		48,993		39,555
Other current assets	5,807		5,807		5,771
Total current assets	156,536		156,536		142,653
Property, plant, and equipment, net	158,042		158,042		150,900
Goodwill	67,253		67,253		67,253
Intangible assets, net	40,783		40,783		41,965
Investments in and advances to subsidiaries and affiliates	0		0		0
Deferred income taxes	7,781		7,781
Other non-current assets	830		830		8,883
TOTAL	431,225		431,225		411,654
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	55,560		55,560		52,938
Accrued payroll and compensation	8,985		8,985		9,167
Accrued interest payable	0		0		0
Other current liabilities	14,931		14,931		13,542
Total current liabilities	79,476		79,476		75,647
Long term debt	0		0		0
Deferred and non-current income taxes	0		0		0
Other non-current liabilities	104,014		104,014		91,447
Stockholders' equity	247,735		247,735		244,560
TOTAL	431,225		431,225		411,654
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	159,890	133,347	315,682	246,067
Cost of goods sold	154,919	126,657	309,960	233,324
GROSS PROFIT	4,971	6,690	5,722	12,743
Operating expenses	1,230	1,554	2,350	4,421
INCOME FROM OPERATIONS	3,741	5,136	3,372	8,322
Other income (expense):
Interest expense, net	(122)	(700)	(197)	(999)
Equity in earnings of subsidiaries	0	0	0	0
Other income (loss), net	0	24	0	15
INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS	3,619	4,460	3,175	7,338
Income tax provision (benefit)	0	0	0	0
INCOME (LOSS) FROM CONTINUING OPERATIONS	3,619	4,460	3,175	7,338
Discontinued operations, net of tax	0	0	0	0
NET INCOME (LOSS)	3,619	4,460	3,175	7,338
Comprehensive income (loss)	3,619	4,460	3,175	7,338
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	3,619	4,460	3,175	7,338
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation			11,829	10,607
Amortization - deferred financing costs			0	0
Amortization - other intangible assets			1,182	1,430
(Gain) loss on disposal of assets			2,200	(1,033)
Deferred income taxes			0	0
Non-cash stock-based compensation			0	0
Equity in earnings of subsidiaries	0	0	0	0
Non-cash change in warrant liability				0
Change in other operating items			(9,793)	535
Net cash provided by (used in) operating activities			8,593	18,877
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(10,540)	(17,504)
Other			0	0
Net cash used in investing activities			(10,540)	(17,504)
CASH FLOWS FROM FINANCING ACTIVITIES:
Other			0	0
Net cash provided by financing activities			0	0
Increase (decrease) in cash and cash equivalents			(1,947)	1,373
CASH AND CASH EQUIVALENTS-Beginning of period			(2,770)	(2,000)	(2,000)
CASH AND CASH EQUIVALENTS-End of period	(4,717)	(627)	(4,717)	(627)
Non-guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	6,641	6,334	6,641	6,334
Customer and other receivables, net	20,579		20,579		12,099
Inventories	6,026		6,026		6,617
Other current assets	2,268		2,268		2,120
Total current assets	35,514		35,514		28,943
Property, plant, and equipment, net	44,987		44,987		46,897
Goodwill	0		0		0
Intangible assets, net	0		0		0
Investments in and advances to subsidiaries and affiliates	0		0		0
Deferred income taxes	382		382
Other non-current assets	246		246		1,649
TOTAL	81,129		81,129		77,489
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	12,912		12,912		9,708
Accrued payroll and compensation	3,448		3,448		4,220
Accrued interest payable	0		0		0
Other current liabilities	4,560		4,560		3,642
Total current liabilities	20,920		20,920		17,570
Long term debt	0		0		0
Deferred and non-current income taxes	0		0		0
Other non-current liabilities	20,754		20,754		22,927
Stockholders' equity	39,455		39,455		36,992
TOTAL	81,129		81,129		77,489
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	41,505	40,510	78,959	78,250
Cost of goods sold	37,054	38,291	72,801	73,886
GROSS PROFIT	4,451	2,219	6,158	4,364
Operating expenses	84	66	156	144
INCOME FROM OPERATIONS	4,367	2,153	6,002	4,220
Other income (expense):
Interest expense, net	4	485	(87)	566
Equity in earnings of subsidiaries	0	0	0	0
Other income (loss), net	560	(198)	(63)	(489)
INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS	4,931	2,440	5,852	4,297
Income tax provision (benefit)	1,266	249	1,502	830
INCOME (LOSS) FROM CONTINUING OPERATIONS	3,665	2,191	4,350	3,467
Discontinued operations, net of tax	0	877	0	951
NET INCOME (LOSS)	3,665	3,068	4,350	4,418
Comprehensive income (loss)	3,844	3,040	4,311	4,271
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	3,665	3,068	4,350	4,418
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation			3,518	4,420
Amortization - deferred financing costs			0	0
Amortization - other intangible assets			0	670
(Gain) loss on disposal of assets			46	2,057
Deferred income taxes			0	(1)
Non-cash stock-based compensation			0	0
Equity in earnings of subsidiaries	0	0	0	0
Non-cash change in warrant liability				0
Change in other operating items			(7,331)	(15,690)
Net cash provided by (used in) operating activities			583	(4,126)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(1,539)	(1,410)
Other			1,000	7,785
Net cash used in investing activities			(539)	6,375
CASH FLOWS FROM FINANCING ACTIVITIES:
Other			(1,510)	(1,267)
Net cash provided by financing activities			(1,510)	(1,267)
Increase (decrease) in cash and cash equivalents			(1,466)	982
CASH AND CASH EQUIVALENTS-Beginning of period			8,107	5,352	5,352
CASH AND CASH EQUIVALENTS-End of period	6,641	6,334	6,641	6,334
Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Customer and other receivables, net	(55,673)		(55,673)		(50,857)
Inventories	0		0		0
Other current assets	0		0		0
Total current assets	(55,673)		(55,673)		(50,857)
Property, plant, and equipment, net	0		0		0
Goodwill	0		0		0
Intangible assets, net	0		0		0
Investments in and advances to subsidiaries and affiliates	(287,190)		(287,190)		(281,552)
Deferred income taxes	(8,163)		(8,163)
Other non-current assets	0		0		(8,146)
TOTAL	(351,026)		(351,026)		(340,555)
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	0		0		0
Accrued payroll and compensation	0		0		0
Accrued interest payable	0		0		0
Other current liabilities	(55,673)		(55,673)		(50,857)
Total current liabilities	(55,673)		(55,673)		(50,857)
Long term debt	0		0		0
Deferred and non-current income taxes	(8,163)		(8,163)		(8,146)
Other non-current liabilities	0		0		0
Stockholders' equity	(287,190)		(287,190)		(281,552)
TOTAL	(351,026)		(351,026)		(340,555)
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	(51,986)	(43,778)	(98,290)	(84,666)
Cost of goods sold	(51,986)	(43,778)	(98,290)	(84,666)
GROSS PROFIT	0	0	0	0
Operating expenses	0	0	0	0
INCOME FROM OPERATIONS	0	0	0	0
Other income (expense):
Interest expense, net	0	0	0	0
Equity in earnings of subsidiaries	(7,284)	(7,528)	(7,525)	(11,756)
Other income (loss), net	0	0	0	0
INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS	(7,284)	(7,528)	(7,525)	(11,756)
Income tax provision (benefit)	0	0	0	0
INCOME (LOSS) FROM CONTINUING OPERATIONS	(7,284)	(7,528)	(7,525)	(11,756)
Discontinued operations, net of tax	0	0	0	0
NET INCOME (LOSS)	(7,284)	(7,528)	(7,525)	(11,756)
Comprehensive income (loss)	(7,284)	(7,528)	(7,525)	(11,756)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	(7,284)	(7,528)	(7,525)	(11,756)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation			0	0
Amortization - deferred financing costs			0	0
Amortization - other intangible assets			0	0
(Gain) loss on disposal of assets			0	0
Deferred income taxes			0	0
Non-cash stock-based compensation				0
Equity in earnings of subsidiaries	7,284	7,528	7,525	11,756
Non-cash change in warrant liability				0
Change in other operating items			0	0
Net cash provided by (used in) operating activities			0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Other			0	0
Net cash used in investing activities			0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Other			0	0
Net cash provided by financing activities			0	0
Increase (decrease) in cash and cash equivalents			0	0
CASH AND CASH EQUIVALENTS-Beginning of period			0	0	0
CASH AND CASH EQUIVALENTS-End of period	$ 0	$ 0	$ 0	$ 0