Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net earnings	$ 866,978	$ 636,484	$ 539,362
Foreign currency translation adjustment and other (net of taxes (benefit) of $4,909, $2,092 and $(3,201), respectively)	37,463	(33,871)	(32,171)
Unrealized holding gain (loss) on available-for-sale investments (net of taxes (benefit) of $(416), $37 and $(46), respectively)	(680)	60	(87)
Comprehensive income	$ 903,761	$ 602,673	$ 507,104