Subsidiary Guarantors Table - Condensed Consolidating Statement of Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Condensed Financial Statements, Captions [Line Items]
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) income from operations	(6,380)	(16,567)
Interest expense, net	20,883	20,706
Foreign currency (gain)	(383)	516
Loss before income taxes	(26,880)	(37,789)
Income tax expense	1,132	533
Loss before equity loss from subsidiaries	(28,012)	(38,322)
Equity income from subsidiaries	0	0
Net (loss) income	(28,012)	(38,322)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	17	148
Foreign currency translation adjustments, net of tax	11,018	(11,586)
Total comprehensive income (loss)	(16,977)	(49,760)
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	195,331	179,638
Cost of sales	156,216	148,967
Gross profit	39,115	30,671
Selling, general and administrative expenses	47,257	47,657
(Loss) income from operations	(8,142)	(16,986)
Interest expense, net	20,817	18,788
Foreign currency (gain)	0	0
Loss before income taxes	(28,959)	(35,774)
Income tax expense	778	726
Loss before equity loss from subsidiaries	(29,737)	(36,500)
Equity income from subsidiaries	1,725	(1,822)
Net (loss) income	(28,012)	(38,322)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	17	148
Foreign currency translation adjustments, net of tax	11,018	(11,586)
Total comprehensive income (loss)	(16,977)	(49,760)
Co-Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	0	0
Cost of sales	0	0
Gross profit	0	0
Selling, general and administrative expenses	0	0
(Loss) income from operations	0	0
Interest expense, net	0	0
Foreign currency (gain)	0	0
Loss before income taxes	0	0
Income tax expense	0	0
Loss before equity loss from subsidiaries	0	0
Equity income from subsidiaries	0	0
Net (loss) income	0	0
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	0	0
Foreign currency translation adjustments, net of tax	0	0
Total comprehensive income (loss)	0	0
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Net sales	32,308	30,162
Cost of sales	29,895	28,806
Gross profit	2,413	1,356
Selling, general and administrative expenses	1,703	844
(Loss) income from operations	710	512
Interest expense, net	0	1,661
Foreign currency (gain)	0	0
Loss before income taxes	710	(1,149)
Income tax expense	(19)	24
Loss before equity loss from subsidiaries	729	(1,173)
Equity income from subsidiaries	996	(649)
Net (loss) income	1,725	(1,822)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	35	58
Foreign currency translation adjustments, net of tax	11,018	(11,586)
Total comprehensive income (loss)	12,778	(13,350)
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	47,857	47,248
Cost of sales	36,332	37,372
Gross profit	11,525	9,876
Selling, general and administrative expenses	10,473	9,969
(Loss) income from operations	1,052	(93)
Interest expense, net	66	257
Foreign currency (gain)	(383)	516
Loss before income taxes	1,369	(866)
Income tax expense	373	(217)
Loss before equity loss from subsidiaries	996	(649)
Equity income from subsidiaries	0	0
Net (loss) income	996	(649)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	40	48
Foreign currency translation adjustments, net of tax	11,018	(11,586)
Total comprehensive income (loss)	12,054	(12,187)
Reclassification/ Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(39,215)	(36,682)
Cost of sales	(39,215)	(36,682)
Gross profit	0	0
Selling, general and administrative expenses	0	0
(Loss) income from operations	0	0
Interest expense, net	0	0
Foreign currency (gain)	0	0
Loss before income taxes	0	0
Income tax expense	0	0
Loss before equity loss from subsidiaries	0	0
Equity income from subsidiaries	(2,721)	2,471
Net (loss) income	(2,721)	2,471
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(75)	(106)
Foreign currency translation adjustments, net of tax	(22,036)	23,172
Total comprehensive income (loss)	$ (24,832)	$ 25,537