Other Intangible Assets and Liabilities - Schedule of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Dec. 27, 2017	Dec. 28, 2016
Favorable Leasehold Interest
Finite-Lived Intangible Assets [Line Items]
Favorable leasehold interest	$ 6,038	$ 6,038
Less: accumulated amortization	(5,661)	(5,554)
Total favorable leasehold interest, net	377	484
Unfavorable leasehold interest liability
Finite-Lived Intangible Assets [Line Items]
Unfavorable leasehold interest liability	(9,156)	(9,156)
Less: accumulated amortization	8,370	8,144
Unfavorable leasehold interest liability, net	$ (786)	$ (1,012)