Summary Stock Options Outstanding and Exercisable (Detail) (USD $)	12 Months Ended
	Dec. 29, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding	1,781,182
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price per Share	$ 42.56
Options Exercisable	661,865
Options Exercisable, Weighted Average Contractual Life (Years)	4 years 2 months 12 days
Options Exercisable, Weighted Average Exercise Price	$ 40.64
Range One
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum Exercise Price	$ 14.62
Maximum Exercise Price	$ 25.00
Options Outstanding	18,019
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 months 18 days
Options Outstanding, Weighted Average Exercise Price per Share	$ 18.77
Options Exercisable	18,019
Options Exercisable, Weighted Average Contractual Life (Years)	9 months 18 days
Options Exercisable, Weighted Average Exercise Price	$ 18.77
Range Two
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum Exercise Price	$ 25.01
Maximum Exercise Price	$ 35.00
Options Outstanding	55,704
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	2 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price per Share	$ 32.13
Options Exercisable	55,704
Options Exercisable, Weighted Average Contractual Life (Years)	2 years 1 month 6 days
Options Exercisable, Weighted Average Exercise Price	$ 32.13
Range Three
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum Exercise Price	$ 35.01
Maximum Exercise Price	$ 40.00
Options Outstanding	458,663
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years
Options Outstanding, Weighted Average Exercise Price per Share	$ 37.89
Options Exercisable	131,479
Options Exercisable, Weighted Average Contractual Life (Years)	4 years 9 months 18 days
Options Exercisable, Weighted Average Exercise Price	$ 37.11
Range Four
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum Exercise Price	$ 40.01
Maximum Exercise Price	$ 45.00
Options Outstanding	865,696
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price per Share	$ 42.31
Options Exercisable	407,963
Options Exercisable, Weighted Average Contractual Life (Years)	4 years 3 months 18 days
Options Exercisable, Weighted Average Exercise Price	$ 43.03
Range Five
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum Exercise Price	$ 45.01
Maximum Exercise Price	$ 57.83
Options Outstanding	383,100
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	8 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price per Share	$ 51.37
Options Exercisable	48,700
Options Exercisable, Weighted Average Contractual Life (Years)	5 years
Options Exercisable, Weighted Average Exercise Price	$ 47.94