Stock Repurchase Programs (Details) - USD ($) shares in Thousands, $ in Thousands		1 Months Ended		3 Months Ended		6 Months Ended
	Jul. 04, 2015	Apr. 30, 2015	Jul. 31, 2014	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jul. 02, 2015	Aug. 31, 2008	Feb. 29, 2008
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount								$ 578,800	$ 500,000	$ 500,000
Remaining number of shares authorized to be repurchased	1,200,000			1,200,000		1,200,000
Approved treasury stock repurchase, term	18 months		2 years
Treasury stock repurchase approved	$ 1,200,000	$ 450,000
Share Repurchased and Cost of Repurchased Shares [Abstract]
Shares repurchased				2,887	768	4,889	1,595
Total cost of repurchased shares				$ 56,279	$ 12,515	$ 93,076	$ 25,032