Employee Benefit Plans - Summarized Information with Respect to Options Outstanding and Exercisable (Detail) (USD $)	12 Months Ended
	Dec. 27, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Weighted Average Remaining, Average Life (Years)	2 years 10 months 10 days
Shares Outstanding	1,209,319
Weighted Average Exercise Price	$ 7.86
Shares Exercisable	1,209,173
Weighted Average Exercise Price	$ 7.86
Stock Options One [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, Minimum	$ 1.11
Range of Exercise Price, Maximum	$ 3.96
Weighted Average Remaining, Average Life (Years)	5 years 3 months 18 days
Shares Outstanding	272,505
Weighted Average Exercise Price	$ 2.18
Shares Exercisable	272,505
Weighted Average Exercise Price	$ 2.18
Stock Options Two [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, Minimum	$ 4.36
Range of Exercise Price, Maximum	$ 6.43
Weighted Average Remaining, Average Life (Years)	1 year 3 months 4 days
Shares Outstanding	12,750
Weighted Average Exercise Price	$ 6.02
Shares Exercisable	12,750
Weighted Average Exercise Price	$ 6.02
Stock Options Three [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, Minimum	$ 6.55
Range of Exercise Price, Maximum	$ 6.55
Weighted Average Remaining, Average Life (Years)	1 year 4 months 10 days
Shares Outstanding	388,323
Weighted Average Exercise Price	$ 6.55
Shares Exercisable	388,323
Weighted Average Exercise Price	$ 6.55
Stock Options Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, Minimum	$ 6.61
Range of Exercise Price, Maximum	$ 12.38
Weighted Average Remaining, Average Life (Years)	2 years 2 months 12 days
Shares Outstanding	258,916
Weighted Average Exercise Price	$ 8.61
Shares Exercisable	258,770
Weighted Average Exercise Price	$ 8.61
Stock Options Five [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, Minimum	$ 12.99
Range of Exercise Price, Maximum	$ 14.90
Weighted Average Remaining, Average Life (Years)	3 years 3 months
Shares Outstanding	276,825
Weighted Average Exercise Price	$ 14.66
Shares Exercisable	276,825
Weighted Average Exercise Price	$ 14.66