Stock Repurchase Programs (Details) (USD $)	1 Months Ended		12 Months Ended
	Jul. 31, 2014	Jan. 31, 2014	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012	Aug. 31, 2008	Feb. 29, 2008
Class of Stock [Line Items]
Stock Repurchase Program, Authorized Amount						$ 500,000,000	$ 500,000,000
Repurchase of common shares
Remaining number of shares authorized to be repurchased			714,300,000
Approved treasury stock repurchase, term	2 years	2 years
Treasury stock repurchase approved	300,000,000	100,000,000
Share repurchased and total cost of repurchased shares
Shares repurchased			(5,856,000)	0	0
Cost of repurchased shares			100,117,000	0	0
Common Stock [Member]
Share repurchased and total cost of repurchased shares
Shares repurchased			(5,856,000)
Treasury Stock [Member]
Share repurchased and total cost of repurchased shares
Cost of repurchased shares			$ 100,117,000