Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Income Statement [Abstract]
Net sales	$ 287,082	$ 295,171
Cost of goods sold	(241,216)	(241,984)
Gross profit	45,866	53,187
Selling, general and administrative expenses	(34,342)	(34,131)
Special charges, net	(1,804)	(2,419)
Other operating, net	(340)	361
Operating income (loss)	9,380	16,998
Other income (expense):
Interest expense	(12,084)	(12,848)
Foreign currency and other, net	(1,420)	62
Income (loss) before income taxes	(4,124)	4,212
Income tax (provision) benefit	(2,103)	(4,477)
Net income (loss)	(6,227)	(265)
Other comprehensive income (loss):
Currency translation	(3,772)	4,823
Employee postretirement benefits, net of tax	96	0
Other comprehensive income (loss)	(3,676)	4,823
Other comprehensive income (loss)	$ (9,903)	$ 4,558