Stock Repurchase Programs (Details) (USD $)	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Stock Repurchase Programs [Line Items]
Repurchase of outstanding common stock	$ 1,800,000	$ 2,000,000
Number of stock repurchase programs authorized by the Board of Directors	2
Rule 10b5-1 Program [Member]
Stock Repurchase Programs [Line Items]
Repurchase of common stock - shares	4,000
Repurchase of outstanding common stock	15,000
$600 Million Repurchase Program [Member]
Stock Repurchase Programs [Line Items]
Authorization to repurchase outstanding common stock	600,000,000
Cumulative Repurchase of common stock - shares	56,600,000
Cumulative Repurchase of outstanding common stock	375,400,000
Stock available to be purchased under stock repurchase program	224,600,000
Other Stock Repurchases [Member]
Stock Repurchase Programs [Line Items]
Repurchase of common stock - shares	500,000
Repurchase of outstanding common stock	$ 1,800,000