Description of Business (Details)	Jun. 18, 2019 state restaurant	Jun. 19, 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	310	315
Franchised Units [Member]
Franchisor Disclosure [Line Items]
Number of restaurants	273	251
Franchised Units [Member] | GUAM
Franchisor Disclosure [Line Items]
Number of restaurants	1	1