Annual report pursuant to Section 13 and 15(d)

Description of Business (Details)

v3.8.0.1
Description of Business (Details)
Dec. 31, 2017
State
Restaurant
Dec. 25, 2016
Restaurant
Dec. 27, 2015
Restaurant
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of States in which Entity Operates | State 19    
Number of Restaurants | Restaurant 91 80 69