Treasury Stock (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Board-approved share repurchase program of common stock			$ 1,000,000,000
Stock repurchase period			April 2015
Repurchased shares under the share repurchase program	352,886	1,361,410	1,751,536	3,682,810
Cost of share repurchased under the share repurchase program	21,300,000	61,300,000	90,601,000	163,840,000
Remaining authorization under the share repurchase program			$ 200,600,000