Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Basic net income per share
Net income, basic	$ 532,357	$ 422,599	$ 437,120
Shares, basic	122,651	127,588	132,905
Per share amount, basic (in dollars per share)	$ 4.34	$ 3.31	$ 3.29
Dilutive stock options and restricted stock units outstanding, income	$ 0	$ 0	$ 0
Dilutive stock options and restricted stock units outstanding, shares	820	616	908
Dilutive stock options and restricted stock units outstanding, per share (in dollars per share)	$ (0.03)	$ (0.01)	$ (0.02)
Diluted net income per share
Shares, diluted	123,471	128,204	133,813
Diluted net income per share (in dollars per share)	$ 4.31	$ 3.30	$ 3.27
Anitdilutive securities excluded from computation of earnings per share	3,100	3,900	1,900