Consolidated Statements of Comprehensive Earnings (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011	Sep. 30, 2012	Sep. 25, 2011
Consolidated Statements of Comprehensive Earnings (Unaudited) [Abstract]
Net earnings	$ 164,852	$ 170,990	$ 205,700	$ 246,237
Other comprehensive earnings (loss):
Foreign currency translation adjustments	9,020	(42,789)	1,113	(9,767)
Net (losses) gains on cash flow hedging activities, net of tax	(5,989)	20,755	974	(16,585)
Reclassifications to earnings, net of tax:
Net (gains) losses on cash flow hedging activities	(1,623)	2,900	(4,379)	3,238
Total other comprehensive earnings (loss), net of tax	1,408	(19,134)	(2,292)	(23,114)
Total comprehensive earnings	$ 166,260	$ 151,856	$ 203,408	$ 223,123