Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 15, 2018	Apr. 03, 2018	Apr. 04, 2017	Jan. 02, 2018	Jul. 21, 2016	Jul. 20, 2016
Stockholders Equity
Cash dividends declared per common share (in dollars per share)	$ 0.29	$ 0.29	$ 0.24
Repurchased shares since program inception		50,261,838		49,534,212
Value of shares repurchased since program inception		$ 1,567,767		$ 1,532,864
Treasury stock repurchased during period		$ 34,903
Treasury Stock
Stockholders Equity
Number of shares authorized to be repurchased					56,000,000	7,500,000
Repurchased shares since program inception		50,300,000
Value of shares repurchased since program inception		$ 1,567,800
Shares repurchased during period		700,000
Treasury stock repurchased during period		$ 34,900