Organization and Significant Accounting Policies - Stock Option Activity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 28, 2014	Dec. 27, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Outstanding, Number of Shares, Beginning balance	1,209,119
Granted, Number of Shares
Exercised, Number of Shares	(337,997)
Canceled, Number of Shares	(1,846)
Outstanding, Number of Shares, Ending balance	869,276	1,209,119
Options exercisable and expected to vest, Number of Shares	869,276
Weighted Average Exercise Price Outstanding, Beginning balance	$ 7.86
Granted, Weighted Average Exercise Price
Exercised, Weighted Average Exercise Price	$ 5.13
Canceled, Weighted Average Exercise Price	$ 13.42
Weighted Average Exercise Price Outstanding, Ending balance	$ 8.91	$ 7.86
Options exercisable and expected to vest, Weighted Average Exercise Price	$ 8.91
Weighted Average Remaining Contractual Term (years), Outstanding	2 years 5 months 5 days	2 years 10 months 10 days
Weighted Average Remaining Contractual Term (years), Options exercisable and expected to vest	2 years 5 months 5 days
Aggregate Intrinsic Value, Outstanding, Beginning balance	$ 3,976
Aggregate Intrinsic Value, Outstanding, Ending balance	3,701	3,976
Aggregate Intrinsic Value, Options exercisable and expected to vest	$ 3,701