Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net sales	$ 291,538	$ 296,244	$ 578,620	$ 591,415
Cost of goods sold	(241,148)	(249,825)	(482,364)	(491,809)
Gross profit	50,390	46,419	96,256	99,606
Selling, general and administrative expenses	(39,371)	(35,180)	(73,713)	(69,310)
Special charges, net	(1,750)	(8,753)	(3,554)	(11,172)
Other operating, net	(964)	159	(1,304)	519
Operating income (loss)	8,305	2,645	17,685	19,643
Other income (expense):
Interest expense	(12,323)	(12,738)	(24,407)	(25,587)
Foreign currency and other, net	(900)	(3,160)	(2,320)	(3,097)
Income (loss) before income taxes	(4,918)	(13,253)	(9,042)	(9,041)
Income tax (provision) benefit	(2,988)	1,159	(5,091)	(3,318)
Net income (loss)	(7,906)	(12,094)	(14,133)	(12,359)
Currency translation	2,400	(10,091)	(1,372)	(5,268)
Employee postretirement benefits, net of tax	29	(248)	125	(248)
Other comprehensive income (loss)	2,429	(10,339)	(1,247)	(5,516)
Other comprehensive income (loss)	$ (5,477)	$ (22,433)	$ (15,380)	$ (17,875)