Supplemental Guarantor Condensed Financial Information - Consolidated Statements of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 172,545	$ 198,683
Costs and Expense:
Cost of goods sold (excluding depreciation and amortization)	149,170	166,565
Selling and general (excluding depreciation and amortization)	19,440	22,881
Depreciation and amortization	8,593	8,681
Other operating charges	2,774	842
(Loss) income from operations	(7,432)	(286)
Equity in earnings of subsidiaries	0	0
Interest expense	(13,598)	(13,536)
Intercompany (loss) income, net	0	0
Other income (loss), net	(6,345)	6,044
Loss before income taxes	(27,375)	(7,778)
Provision (benefit) for income taxes	741	342
Net loss	(28,116)	(8,120)
Parent
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0
Costs and Expense:
Cost of goods sold (excluding depreciation and amortization)	0	0
Selling and general (excluding depreciation and amortization)	93	149
Depreciation and amortization	0	0
Other operating charges	0	0
(Loss) income from operations	(93)	(149)
Equity in earnings of subsidiaries	(28,023)	(7,971)
Interest expense	0	0
Intercompany (loss) income, net	0	0
Other income (loss), net	0	0
Loss before income taxes	(28,116)	(8,120)
Provision (benefit) for income taxes	0	0
Net loss	(28,116)	(8,120)
Subsidiary Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	105,314	122,442
Costs and Expense:
Cost of goods sold (excluding depreciation and amortization)	93,064	103,647
Selling and general (excluding depreciation and amortization)	13,061	14,918
Depreciation and amortization	5,575	5,552
Other operating charges	418	281
(Loss) income from operations	(6,804)	(1,956)
Equity in earnings of subsidiaries	(4,891)	(2,989)
Interest expense	(13,349)	(13,310)
Intercompany (loss) income, net	4,278	4,373
Other income (loss), net	(5,951)	6,337
Loss before income taxes	(26,717)	(7,545)
Provision (benefit) for income taxes	1,306	426
Net loss	(28,023)	(7,971)
Non-Guarantor
Condensed Financial Statements, Captions [Line Items]
Net sales	68,723	77,731
Costs and Expense:
Cost of goods sold (excluding depreciation and amortization)	57,598	64,408
Selling and general (excluding depreciation and amortization)	6,286	7,814
Depreciation and amortization	3,018	3,129
Other operating charges	2,356	561
(Loss) income from operations	(535)	1,819
Equity in earnings of subsidiaries	0	0
Interest expense	(249)	(226)
Intercompany (loss) income, net	(4,278)	(4,373)
Other income (loss), net	(394)	(293)
Loss before income taxes	(5,456)	(3,073)
Provision (benefit) for income taxes	(565)	(84)
Net loss	(4,891)	(2,989)
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(1,492)	(1,490)
Costs and Expense:
Cost of goods sold (excluding depreciation and amortization)	(1,492)	(1,490)
Selling and general (excluding depreciation and amortization)	0	0
Depreciation and amortization	0	0
Other operating charges	0	0
(Loss) income from operations	0	0
Equity in earnings of subsidiaries	32,914	10,960
Interest expense	0	0
Intercompany (loss) income, net	0	0
Other income (loss), net	0	0
Loss before income taxes	32,914	10,960
Provision (benefit) for income taxes	0	0
Net loss	$ 32,914	$ 10,960