Stock Option Activity (Detail) (Stock Option, USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, Outstanding at beginning of period	7,423,000	6,547,000	5,602,000
Options, Granted		2,142,000	1,703,000
Options, Exercised	(1,047,000)	(1,165,000)	(731,000)
Options, Forfeited	(16,000)	(101,000)	(27,000)
Options, Outstanding at end of period	6,360,000	7,423,000	6,547,000
Options, Exercisable at end of period	2,638,000	2,258,000	2,109,000
Weighted Average Exercise Price, Outstanding at beginning of year	$ 15.67	$ 14.66	$ 13.56
Weighted Average Exercise Price, Granted		$ 16.31	$ 16.67
Weighted Average Exercise Price, Exercised	$ 13.25	$ 11.10	$ 10.79
Weighted Average Exercise Price, Forfeitures	$ 16.33	$ 16.30	$ 16.38
Weighted Average Exercise Price, Outstanding at end of year	$ 16.08	$ 15.67	$ 14.66
Weighted average fair value of options granted during the year		$ 3.47	$ 3.69