Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Income Statement [Abstract]
Net sales	$ 288,979	$ 290,097	$ 867,599	$ 881,512
Cost of goods sold	(240,779)	(238,123)	(723,143)	(729,932)
Gross profit	48,200	51,974	144,456	151,580
Selling, general and administrative expenses	(33,463)	(33,044)	(107,176)	(102,354)
Special charges, net	(7,093)	(1,732)	(10,647)	(12,904)
Other operating, net	(671)	235	(1,975)	754
Operating income (loss)	6,973	17,433	24,658	37,076
Other income (expense):
Interest expense	(13,185)	(12,487)	(37,592)	(38,074)
Foreign currency and other, net	2,298	(999)	(22)	(4,095)
Income (loss) before income taxes	(3,914)	3,947	(12,956)	(5,093)
Income tax (provision) benefit	(4,353)	(2,593)	(9,444)	(5,912)
Net income (loss)	(8,267)	1,354	(22,400)	(11,005)
Currency translation	4,932	3,976	3,560	(1,292)
Employee postretirement benefits, net of tax	63	206	188	(42)
Other comprehensive income (loss)	4,995	4,182	3,748	(1,334)
Other comprehensive income (loss)	$ (3,272)	$ 5,536	$ (18,652)	$ (12,339)