CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Income Statement [Abstract]
Net sales	$ 475,105	$ 490,119
Cost of sales	397,888	415,157
Selling, general and administrative expenses	52,261	55,494
Amortization of intangible assets	2,407	3,449
Restructuring and other charges	4,354	5,947
Operating income	18,195	10,072
Interest expense, net	25,692	27,910
Loss on early extinguishment of debt, net	433	18
Other income, net	(217)	(509)
Loss from continuing operations before income taxes	(7,713)	(17,347)
Income tax benefit	(66)	(560)
Loss from continuing operations	(7,647)	(16,787)
(Loss) income from discontinued operations, net of taxes	(32)	953
Net loss	(7,679)	(15,834)
Other comprehensive income (loss):
Changes in pension and other employee benefit accounts, net of taxes	1,342	480
Currency translation adjustment	(1,330)	88
Comprehensive loss	$ (7,667)	$ (15,266)
(Loss) income per share – basic:
Continuing operations per share - basic	$ (0.11)	$ (0.25)
Discontinued operations per share - basic	0.00	0.01
Net loss per share - basic	(0.11)	(0.24)
(Loss) income per share – diluted:
Continuing operations per share - diluted	(0.11)	(0.25)
Discontinued operations per share - diluted	0.00	0.01
Net loss per share - diluted	$ (0.11)	$ (0.24)
Weighted average shares outstanding:
Basic shares	67,746	66,336
Diluted shares	67,746	66,336