Consolidated Statement of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2011	Sep. 27, 2014	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Statement of Comprehensive Income [Abstract]
Net sales			$ 1,186,973	$ 1,169,598	$ 1,142,521
Cost of sales			943,419	887,798	859,617
Gross profit			243,554	281,800	282,904
Selling, general and administrative expenses			247,283	232,281	240,027
Impairment of goodwill		148,500	144,159	0	0
Impairment of other intangible assets	79,900		89,687	0	0
Income (loss) from operations			(237,575)	49,519	42,877
Interest expense, net			82,527	79,751	75,520
Foreign currency loss (gain)			788	754	119
Loss before income taxes			(320,890)	(30,986)	(32,762)
Income tax expense (benefit)			(27,201)	2,507	5,605
Net (loss) income			(293,689)	(33,493)	(38,367)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax			(20,268)	19,774	(9,446)
Foreign currency translation adjustments, net of tax			(22,439)	(20,443)	8,228
Total comprehensive loss			$ (336,396)	$ (34,162)	$ (39,585)