Common Stock - Changes in Number of Outstanding Shares of Class A Common Stock (Detail)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Stock options exercised	2,619,000	2,116,000	2,397,000
Repurchase of Class A Common Stock		(2,729,000)	(12,476,000)
Class A Common Stock [Member]
Common stock, shares, outstanding, beginning balance	150,320,000	149,484,000	158,745,000
Stock options exercised	2,619,000	2,116,000	2,397,000
Release of restricted stock units, net of shares withheld for employee taxes	1,402,000	1,432,000	791,000
Grant of restricted Class A Common Stock	15,000	17,000	27,000
Repurchase of Class A Common Stock	0	(2,729,000)	(12,476,000)
Common stock, shares, outstanding, ending balance	154,356,000	150,320,000	149,484,000