Income Taxes - Schedule of Provision of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2015	Sep. 30, 2015	Jul. 01, 2015	Apr. 01, 2015	Dec. 31, 2014	Sep. 24, 2014	Jun. 25, 2014	Mar. 26, 2014	Dec. 30, 2015	Dec. 31, 2014	Dec. 25, 2013
Current income taxes:
Federal										$ (1)
State									$ 188	29	$ 30
Total current									188	28	30
Deferred income taxes:
Federal									8,871	(44,137)	1,037
State									6,378	(22,864)	334
Total deferred									15,249	(67,001)	1,371
Charge in lieu of tax (attributable to stock options)									5,420	3,965
Tax provision for income taxes	$ 4,576	$ 6,505	$ 5,062	$ 4,714	$ (2,606)	$ (61,389)	$ 570	$ 417	$ 20,857	$ (63,008)	$ 1,401