CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Income Statement [Abstract]
Net sales	$ 480,576	$ 442,781	$ 1,450,105	$ 1,267,935
Cost of sales	410,142	367,356	1,224,735	1,056,392
Selling, general and administrative expenses	53,077	53,105	164,411	148,783
Amortization of intangible assets	2,456	2,459	9,354	7,473
Restructuring and other charges	5,571	3,337	18,856	10,243
Operating income	9,330	16,524	32,749	45,044
Gain on bargain purchase	0	(17,262)	0	(17,262)
Interest expense, net	26,014	27,611	80,590	85,421
Loss on early extinguishment of debt, net	1,280	1,593	27,778	9,440
Other (income) expense, net	(7,013)	595	(7,310)	(1,400)
(Loss) income from continuing operations before income taxes	(10,951)	3,987	(68,309)	(31,155)
Income tax benefit	(157)	(9,440)	(1,427)	(5,096)
(Loss) income from continuing operations	(10,794)	13,427	(66,882)	(26,059)
(Loss) income from discontinued operations, net of taxes	(99)	13,492	1,518	14,950
Net (loss) income	(10,893)	26,919	(65,364)	(11,109)
Other comprehensive income (loss):
Changes in pension and other employee benefit accounts, net of taxes	480	0	1,440	0
Currency translation adjustment	(1,067)	(31)	(334)	(3,139)
Comprehensive (loss) income	$ (11,480)	$ 26,888	$ (64,258)	$ (14,248)
(Loss) income per share – basic:
Continuing operations per share - basic	$ (0.16)	$ 0.21	$ (1.00)	$ (0.40)
Discontinued operations per share - basic	$ 0.00	$ 0.21	$ 0.02	$ 0.23
Net (loss) income per share - basic	$ (0.16)	$ 0.42	$ (0.98)	$ (0.17)
(Loss) income per share – diluted:
Continuing operations per share - diluted	$ (0.16)	$ 0.16	$ (1.00)	$ (0.40)
Discontinued operations per share - diluted	$ 0.00	$ 0.16	$ 0.02	$ 0.23
Net (loss) income per share - diluted	$ (0.16)	$ 0.32	$ (0.98)	$ (0.17)
Weighted average shares outstanding:
Basic shares	67,296	64,333	66,709	64,032
Diluted shares	67,296	86,032	66,709	64,032