Employee Benefit Plans - Schedule of Stock Options Outstanding and Exercisable (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number Outstanding	3,113	3,112	3,210	3,221
Options Outstanding Approximate Wt. Avg. Remaining Life (Years)	5 years 2 months 12 days
Options Outstanding ,Wt. Avg. Ex. Price	$ 12.62	$ 13.01	$ 12.89	$ 12.87
Options Exercisable, Number Exercisable	2,209	2,112	1,857
Options Exercisable, Wt. Avg. Ex. Price	$ 13.52	$ 14.44	$ 15.26
Range of Exercise Price $ 7.32 - $10.83 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Minimum	$ 7.32
Range of Exercise Prices, Maximum	$ 10.83
Options Outstanding, Number Outstanding	1,317
Options Outstanding Approximate Wt. Avg. Remaining Life (Years)	7 years 2 months 12 days
Options Outstanding ,Wt. Avg. Ex. Price	$ 8.33
Options Exercisable, Number Exercisable	641
Options Exercisable, Wt. Avg. Ex. Price	$ 7.39
Range Of Exercise Prices $10.84 - $16.26 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Minimum	$ 10.84
Range of Exercise Prices, Maximum	$ 16.26
Options Outstanding, Number Outstanding	1,001
Options Outstanding Approximate Wt. Avg. Remaining Life (Years)	5 years
Options Outstanding ,Wt. Avg. Ex. Price	$ 14.49
Options Exercisable, Number Exercisable	773
Options Exercisable, Wt. Avg. Ex. Price	$ 14.64
Range Of Exercise Prices $16.27 - $24.41 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Minimum	$ 16.27
Range of Exercise Prices, Maximum	$ 24.41
Options Outstanding, Number Outstanding	790
Options Outstanding Approximate Wt. Avg. Remaining Life (Years)	2 years 3 months 18 days
Options Outstanding ,Wt. Avg. Ex. Price	$ 17.33
Options Exercisable, Number Exercisable	790
Options Exercisable, Wt. Avg. Ex. Price	$ 17.33
Range Of Exercise Prices $24.42 - $36.63 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Minimum	$ 24.42
Range of Exercise Prices, Maximum	$ 36.63
Options Outstanding, Number Outstanding	5
Options Outstanding Approximate Wt. Avg. Remaining Life (Years)	2 years 6 months
Options Outstanding ,Wt. Avg. Ex. Price	$ 25.70
Options Exercisable, Number Exercisable	5
Options Exercisable, Wt. Avg. Ex. Price	$ 25.70