Other Accrued Liabilities and Other Non-current Liabilities - Summary of Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 12, 2017	Jan. 03, 2017
Accrued Liabilities Current [Line Items]
Employee compensation and related items	$ 11,983	$ 13,783
Accrued insurance	8,213	8,192
Accrued sales tax	4,758	3,916
Accrued advertising	2,173	1,657
Accrued income tax	2,167	562
Accrued real property tax	1,946	1,274
Restaurant closure liability	435	875
Other	7,390	6,394
Other accrued liabilities	$ 39,065	$ 36,653