Condensed Consolidating Financial Information Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 438,907	$ 469,899	$ 894,490	$ 946,870
Cost of sales	357,348	382,677	732,351	775,389
Selling, general and administrative expenses	45,646	52,903	95,342	111,486
Amortization of intangible assets	2,586	2,592	5,209	5,166
Restructuring, impairment and other charges	4,354	5,465	18,376	9,292
Operating income (loss)	28,973	26,262	43,212	45,537
Gain on bargain purchase	0	(540)	0	(11,079)
Interest expense, net	28,796	29,412	56,648	59,629
Intercompany interest expense (income)	0	0	0	0
(Gain) loss on early extinguishment of debt	785	0	11,414	0
Other (income) expense, net	(1,116)	148	(818)	337
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	508	(2,758)	(24,032)	(3,350)
Income tax expense (benefit)	470	(1,206)	(1,486)	(2,811)
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	38	(1,552)	(22,546)	(539)
Equity in income of unconsolidated subsidiaries	0	0	0	0
Income (loss) from discontinued operations, net of taxes	(439)	1,926	(5,073)	3,697
Net income (loss)	(401)	374	(27,619)	3,158
Comprehensive income (loss): [Abstract]
Net income (loss)	(401)	374	(27,619)	3,158
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	0	0	0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes	0	687	0	1,792
Currency translation adjustment	(2,202)	169	(758)	1,401
Comprehensive income (loss)	(2,603)	1,230	(28,377)	6,351
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Amortization of intangible assets	0	0	0	0
Restructuring, impairment and other charges	0	0	0	0
Operating income (loss)	0	0	0	0
Gain on bargain purchase		0		0
Interest expense, net	0	0	0	0
Intercompany interest expense (income)	0	0	0	0
(Gain) loss on early extinguishment of debt	0		0
Other (income) expense, net	0	0	0	0
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	0	0	0	0
Equity in income of unconsolidated subsidiaries	(401)	374	(27,619)	3,158
Income (loss) from continuing operations	(401)	374	(27,619)	3,158
Income (loss) from discontinued operations, net of taxes	0	0	0	0
Net income (loss)	(401)	374	(27,619)	3,158
Comprehensive income (loss): [Abstract]
Net income (loss)	(401)	374	(27,619)	3,158
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	(2,202)	856	(758)	3,193
Reclassifications of losses related to interest rate swaps into earnings, net of taxes		0		0
Currency translation adjustment	0	0	0	0
Comprehensive income (loss)	(2,603)	1,230	(28,377)	6,351
Subsidiary Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	172,094	168,199	356,051	343,267
Cost of sales	143,277	138,543	297,434	285,983
Selling, general and administrative expenses	25,717	28,140	52,726	60,254
Amortization of intangible assets	137	101	307	201
Restructuring, impairment and other charges	1,370	2,529	1,526	4,876
Operating income (loss)	1,593	(1,114)	4,058	(8,047)
Gain on bargain purchase		(540)		(11,079)
Interest expense, net	28,648	29,220	56,334	59,232
Intercompany interest expense (income)	(415)	(316)	(688)	(627)
(Gain) loss on early extinguishment of debt	785		11,414
Other (income) expense, net	(839)	(69)	(620)	(423)
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	(26,586)	(29,409)	(62,382)	(55,150)
Income tax expense (benefit)	1,124	(1,581)	(3,145)	874
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	(27,710)	(27,828)	(59,237)	(56,024)
Equity in income of unconsolidated subsidiaries	27,682	27,603	29,196	58,158
Income (loss) from continuing operations	(28)	(225)	(30,041)	2,134
Income (loss) from discontinued operations, net of taxes	(373)	599	2,422	1,024
Net income (loss)	(401)	374	(27,619)	3,158
Comprehensive income (loss): [Abstract]
Net income (loss)	(401)	374	(27,619)	3,158
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	(2,202)	169	(758)	1,401
Reclassifications of losses related to interest rate swaps into earnings, net of taxes		687		1,792
Currency translation adjustment	0	0	0	0
Comprehensive income (loss)	(2,603)	1,230	(28,377)	6,351
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	263,393	296,642	530,716	591,930
Cost of sales	210,570	239,682	427,976	480,481
Selling, general and administrative expenses	19,735	24,485	42,215	50,672
Amortization of intangible assets	2,315	2,357	4,634	4,697
Restructuring, impairment and other charges	2,956	2,932	16,756	4,412
Operating income (loss)	27,817	27,186	39,135	51,668
Gain on bargain purchase		0		0
Interest expense, net	155	200	321	428
Intercompany interest expense (income)	391	242	639	498
(Gain) loss on early extinguishment of debt	0		0
Other (income) expense, net	87	255	26	753
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	27,184	26,489	38,149	49,989
Income tax expense (benefit)	(615)	310	1,698	(3,999)
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	27,799	26,179	36,451	53,988
Equity in income of unconsolidated subsidiaries	(51)	97	240	1,497
Income (loss) from continuing operations	27,748	26,276	36,691	55,485
Income (loss) from discontinued operations, net of taxes	(66)	1,327	(7,495)	2,673
Net income (loss)	27,682	27,603	29,196	58,158
Comprehensive income (loss): [Abstract]
Net income (loss)	27,682	27,603	29,196	58,158
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	(2,284)	(43)	(1,065)	47
Reclassifications of losses related to interest rate swaps into earnings, net of taxes		0		0
Currency translation adjustment	82	212	307	1,354
Comprehensive income (loss)	25,480	27,772	28,438	59,559
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	3,420	5,058	7,723	11,673
Cost of sales	3,501	4,452	6,941	8,925
Selling, general and administrative expenses	194	278	401	560
Amortization of intangible assets	134	134	268	268
Restructuring, impairment and other charges	28	4	94	4
Operating income (loss)	(437)	190	19	1,916
Gain on bargain purchase		0		0
Interest expense, net	(7)	(8)	(7)	(31)
Intercompany interest expense (income)	24	74	49	129
(Gain) loss on early extinguishment of debt	0		0
Other (income) expense, net	(364)	(38)	(224)	7
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	(90)	162	201	1,811
Income tax expense (benefit)	(39)	65	(39)	314
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	(51)	97	240	1,497
Equity in income of unconsolidated subsidiaries	0	0	0	0
Income (loss) from continuing operations	(51)	97	240	1,497
Income (loss) from discontinued operations, net of taxes	0	0	0	0
Net income (loss)	(51)	97	240	1,497
Comprehensive income (loss): [Abstract]
Net income (loss)	(51)	97	240	1,497
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	0	0	0	0
Reclassifications of losses related to interest rate swaps into earnings, net of taxes		0		0
Currency translation adjustment	(2,284)	(43)	(1,065)	47
Comprehensive income (loss)	(2,335)	54	(825)	1,544
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Selling, general and administrative expenses	0	0	0	0
Amortization of intangible assets	0	0	0	0
Restructuring, impairment and other charges	0	0	0	0
Operating income (loss)	0	0	0	0
Gain on bargain purchase		0		0
Interest expense, net	0	0	0	0
Intercompany interest expense (income)	0	0	0	0
(Gain) loss on early extinguishment of debt	0		0
Other (income) expense, net	0	0	0	0
Income (loss) from continuing operations before income taxes and equity in income of unconsolidated subsidiaries	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Income (loss) from continuing operations before equity in income of unconsolidated subsidiaries	0	0	0	0
Equity in income of unconsolidated subsidiaries	(27,230)	(28,074)	(1,817)	(62,813)
Income (loss) from continuing operations	(27,230)	(28,074)	(1,817)	(62,813)
Income (loss) from discontinued operations, net of taxes	0	0	0	0
Net income (loss)	(27,230)	(28,074)	(1,817)	(62,813)
Comprehensive income (loss): [Abstract]
Net income (loss)	(27,230)	(28,074)	(1,817)	(62,813)
Other comprehensive income (loss): [Abstract]
Other comprehensive income (loss) of unconsolidated subsidiaries	6,688	(982)	2,581	(4,641)
Reclassifications of losses related to interest rate swaps into earnings, net of taxes		0		0
Currency translation adjustment	0	0	0	0
Comprehensive income (loss)	$ (20,542)	$ (29,056)	$ 764	$ (67,454)