Property and Equipment - Schedule of Costs and Related Accumulated Depreciation and Amortization of Major Classes of Property (Detail) - USD ($) $ in Thousands	Jun. 27, 2018	Dec. 27, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 239,888	$ 209,316
Less: accumulated depreciation and amortization	(135,951)	(106,522)
Property and equipment, net	103,937	102,794
Land
Property Plant And Equipment [Line Items]
Property and equipment, gross	12,323	12,323
Buildings and improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	149,218	124,056
Other property and equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	73,530	64,712
Construction in progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 4,817	$ 8,225

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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