Description of Business (Details)	Mar. 26, 2019 state restaurant	Mar. 27, 2018 state restaurant
Franchisor Disclosure [Line Items]
Number of states in which entity operates | state	14	14
Entity Operated Units [Member]
Franchisor Disclosure [Line Items]
Number of restaurants	312	315
Franchised Units [Member]
Franchisor Disclosure [Line Items]
Number of restaurants	271	251
Franchised Units [Member] | GUAM
Franchisor Disclosure [Line Items]
Number of restaurants	1	1