Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Net income	$ 46,303	$ 2,133
Other comprehensive loss, net:
Foreign currency translation adjustment	(7,220)	(5,069)
Change in unrecognized pension loss, net of income tax (provision) benefit of $(213) and $37, respectively	338	(62)
Unrealized loss on cash flow hedges, net of income tax benefit of $287	(458)	0
Other comprehensive loss, net	(7,340)	(5,131)
Comprehensive income (loss)	$ 38,963	$ (2,998)