Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net earnings	$ 636,484	$ 539,362	$ 525,433
Foreign currency translation adjustment and other (net of taxes (benefit) of $2,092, $(3,201) and $(1,111), respectively)	(33,871)	(32,171)	(30,145)
Change in net unrealized holding gain (loss) on available-for-sale investments (net of taxes (benefits) of $37, $(46) and $(331), respectively)	60	(87)	(522)
Comprehensive income	$ 602,673	$ 507,104	$ 494,766