Stock Repurchase Programs (Narrative) (Details) (USD $)	6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011 Other Stock Repurchases [Member]	Jul. 01, 2011 Other Stock Repurchases [Member]	Jul. 01, 2011 Rule 10b5-1 program [Member]	Jul. 01, 2011 Rule 10b5-1 program [Member]	Jul. 01, 2011 $600 Million Repurchase Program [Member]
Authorization to repurchase outstanding common stock							$ 600,000,000
Repurchase of common stock - shares			600,000	900,000	6,721	100,000
Cumulative Repurchase of common stock - shares							56,600,000
Cumulative Repurchase of outstanding common stock							375,400,000
Repurchase of outstanding common stock	4,800,000	21,300,000	2,800,000	4,300,000	32,038	500,000
Stock available to be purchased under stock repurchase program							$ 224,600,000