Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Statement of Comprehensive Income [Abstract]
Net sales	$ 339,787	$ 353,742	$ 891,402	$ 870,206
Cost of sales	258,083	279,131	686,780	689,167
Gross profit	81,704	74,611	204,622	181,039
Selling, general and administrative expenses	61,391	62,254	182,027	181,516
Goodwill, Impairment Loss	0	148,504	0	148,504
Impairment of Intangible Assets (Excluding Goodwill)	0	89,687	0	89,687
Restructuring costs	1,787	0	1,787	(331)
Income from operations	18,526	(225,834)	20,808	(238,337)
Interest expense, net	20,808	20,749	62,670	61,828
Foreign currency loss (gain)	806	220	1,923	836
Income (loss) before income taxes	(3,088)	(246,803)	(43,785)	(301,001)
Income tax expense	2,116	(27,627)	4,879	(24,868)
Net income (loss)	(5,204)	(219,176)	(48,664)	(276,133)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	145	3	444	11
Foreign currency translation adjustments, net of tax	(8,659)	(11,232)	(21,624)	(10,075)
Total comprehensive income (loss)	$ (13,718)	$ (230,405)	$ (69,844)	$ (286,197)