Stock Repurchase Programs - Additional Information (Detail) (USD $)	9 Months Ended			3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012 $600 Million Repurchase Program	Sep. 28, 2012 Rule 10b5-1 Program	Sep. 28, 2012 Rule 10b5-1 Program	Sep. 28, 2012 Other Stock Repurchases	Sep. 28, 2012 Other Stock Repurchases
Stockholders Equity Note [Line Items]
Authorization to repurchase outstanding common stock			$ 600,000,000
Repurchase of common stock - shares				11,000	19,000	200,000	1,000,000
Repurchase of outstanding common stock	3,700,000	5,000,000		36,000	67,000	700,000	3,700,000
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