Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Statement of Comprehensive Income [Abstract]
Net sales	$ 236,281	$ 220,366
Cost of sales	183,228	178,463
Gross profit	53,053	41,903
Selling, general and administrative expenses	59,433	58,470
Loss from operations	(6,380)	(16,567)
Interest expense	20,883	20,706
Foreign currency (gain) loss	(383)	516
Loss before income taxes	(26,880)	(37,789)
Income tax expense	1,132	533
Net (loss) income	(28,012)	(38,322)
Other comprehensive (loss) income:
Pension and other postretirement benefit adjustments, net of tax	17	148
Foreign currency translation adjustments, net of tax	11,018	(11,586)
Total comprehensive loss	$ (16,977)	$ (49,760)