Subsidiary Guarantors - Condensed Consolidating Statement of Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 208,984	$ 212,954
Cost of sales	164,230	171,860
Gross profit	44,754	41,094
Selling, general and administrative expenses	56,835	59,470
Income (loss) from operations	(12,081)	(18,376)
Interest expense, net	18,841	18,687
Foreign currency loss	253	38
Income (loss) before income taxes	(31,175)	(37,101)
Income tax expense (benefit)	169	769
(Loss) income before equity (loss) income from subsidiaries	(31,344)	(37,870)
Equity loss (gain) from subsidiaries	0	0
Net (loss) income	(31,344)	(37,870)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	153	0
Foreign currency translation adjustments, net of tax	(5,543)	7,954
Total comprehensive (loss) income	(36,734)	(29,916)
Company
Condensed Financial Statements, Captions [Line Items]
Net sales	161,763	159,860
Cost of sales	128,301	128,043
Gross profit	33,462	31,817
Selling, general and administrative expenses	44,404	47,163
Income (loss) from operations	(10,942)	(15,346)
Interest expense, net	18,453	(18,378)
Foreign currency loss	0	0
Income (loss) before income taxes	(29,395)	(33,724)
Income tax expense (benefit)	946	1,365
(Loss) income before equity (loss) income from subsidiaries	(30,341)	(35,089)
Equity loss (gain) from subsidiaries	(1,003)	(2,781)
Net (loss) income	(31,344)	(37,870)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	153	0
Foreign currency translation adjustments, net of tax	(5,543)	7,954
Total comprehensive (loss) income	(36,734)	(29,916)
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
Income (loss) from operations	0	0
Interest expense, net	0	0
Foreign currency loss	0	0
Income (loss) before income taxes	0	0
Income tax expense (benefit)	0	0
(Loss) income before equity (loss) income from subsidiaries	0	0
Equity loss (gain) 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 (loss) income	0	0
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Net sales	35,830	37,321
Cost of sales	33,327	36,312
Gross profit	2,503	1,009
Selling, general and administrative expenses	1,435	1,885
Income (loss) from operations	1,068	(876)
Interest expense, net	0	0
Foreign currency loss	0	0
Income (loss) before income taxes	1,068	(876)
Income tax expense (benefit)	(34)	52
(Loss) income before equity (loss) income from subsidiaries	1,102	(928)
Equity loss (gain) from subsidiaries	(2,105)	(1,853)
Net (loss) income	(1,003)	(2,781)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	110	0
Foreign currency translation adjustments, net of tax	(5,543)	7,954
Total comprehensive (loss) income	(6,436)	5,173
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	46,200	52,524
Cost of sales	37,411	44,256
Gross profit	8,789	8,268
Selling, general and administrative expenses	10,996	10,422
Income (loss) from operations	(2,207)	(2,154)
Interest expense, net	388	(309)
Foreign currency loss	253	(38)
Income (loss) before income taxes	(2,848)	(2,501)
Income tax expense (benefit)	(743)	(648)
(Loss) income before equity (loss) income from subsidiaries	(2,105)	(1,853)
Equity loss (gain) from subsidiaries	0	0
Net (loss) income	(2,105)	(1,853)
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	102	0
Foreign currency translation adjustments, net of tax	(5,543)	7,954
Total comprehensive (loss) income	(7,546)	6,101
Reclassification/Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(34,809)	(36,751)
Cost of sales	(34,809)	(36,751)
Gross profit	0	0
Selling, general and administrative expenses	0	0
Income (loss) from operations	0	0
Interest expense, net	0	0
Foreign currency loss	0	0
Income (loss) before income taxes	0	0
Income tax expense (benefit)	0	0
(Loss) income before equity (loss) income from subsidiaries	0	0
Equity loss (gain) from subsidiaries	3,108	4,634
Net (loss) income	3,108	4,634
Other comprehensive income (loss):
Pension and other postretirement benefit adjustments, net of tax	(212)	0
Foreign currency translation adjustments, net of tax	11,086	(15,908)
Total comprehensive (loss) income	$ 13,982	$ (11,274)