Loss on Asset Disposals and Impairment (Details) - Summary of Loss on Asset Disposals and Impairment Charges Recognized - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Restructuring Cost and Reserve [Line Items]
Store closing charges	$ 298	$ 503	$ 315
Remodels and other miscellaneous asset write-offs	5,306	5,501	1,851
Loss on asset disposals and impairment	8,434	7,462	3,827
Underperforming Restaurants
Restructuring Cost and Reserve [Line Items]
Long-lived asset impairment	$ 2,830	$ 1,458	$ 1,661