Common Stock Repurchases (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Common Stock Repurchases (Textual) [Abstract]
Date the Company's board of directors authorized a stock repurchase program			Mar. 09, 2011
Maximum amount authorized under stock repurchase program			$ 750.0
Value of shares remaining under stock repurchase program			75.0
Repurchase of shares, shares	17.9	41.6	22.5	56.3
Repurchase of shares, value	138.0	300.0	176.2	396.8
Date the Company's board of directors authorized an additional stock repurchase program	August 1,2012		August 1,2012
Additional repurchase of common stock, authorized amount			$ 500.0