Consolidated Statements of Comprehensive Earnings (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Mar. 27, 2011
Consolidated Statements of Comprehensive Earnings (Unaudited) [Abstract]
Net earnings (loss)	$ (2,579)	$ 17,196
Other comprehensive earnings (loss):
Foreign currency translation adjustments	22,266	28,669
Net losses on cash flow hedging activities, net of tax	(9,289)	(37,008)
Reclassifications to earnings (loss), net of tax:
Net gains on cash flow hedging activities	(1,264)	(1,573)
Total other comprehensive earnings (loss), net of tax	11,713	(9,912)
Total comprehensive earnings	$ 9,134	$ 7,284