Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net earnings	$ 398,354	$ 397,232	$ 306,627
Foreign currency translation adjustment and other (net of tax benefits of $3,604, $1,396 and $2,162, respectively)	(8,185)	6,511	(7,776)
Change in net unrealized holding gain (loss) on available-for-sale investments (net of taxes of $10, $125 and $0, respectively)	11	201	0
Comprehensive income	$ 390,180	$ 403,944	$ 298,851