Property and Equipment - Schedule of Costs and Related Accumulated Depreciation and Amortization of Major Classes of Property (Detail) - USD ($) $ in Thousands	Dec. 28, 2016	Dec. 30, 2015
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 214,852	$ 186,914
Less: accumulated depreciation and amortization	(96,382)	(84,493)
Property and equipment, net	118,470	102,421
Land [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	12,323	12,323
Buildings and Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	125,159	111,349
Other Property and Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	65,831	58,525
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 11,539	$ 4,717