Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 03, 2017	Sep. 27, 2016	Jun. 28, 2016	Mar. 29, 2016	Dec. 29, 2015	Sep. 29, 2015	Jun. 30, 2015	Mar. 31, 2015	Jan. 03, 2017	Dec. 29, 2015	Dec. 30, 2014	Jul. 21, 2016
Stockholders Equity:
Cash dividends declared per common share (in dollars per share)	$ 0.24	$ 0.24	$ 0.200	$ 0.200	$ 0.200	$ 0.200	$ 0.165	$ 0.165	$ 0.88	$ 0.73	$ 0.61
Treasury stock repurchased during period									$ 146,467	$ 109,371	$ 140,483
Repurchased shares since program inception	46,979,659				44,064,322				46,979,659	44,064,322
Treasury Stock
Stockholders Equity:
Number of shares authorized to be repurchased												56,000,000
Additional number of shares authorized to repurchase												7,500,000
Shares repurchased during period									2,900,000	2,100,000	3,100,000
Treasury stock repurchased during period									$ 146,500	$ 104,800	$ 143,200