Leases Lessee Lease Narrative (Details)	Sep. 27, 2020 number_of_restaurants
Lessee, Lease, Description
Number of restaurants	6,814
Entity Operated Units
Lessee, Lease, Description
Number of restaurants	360
Land And Building - Company Owned | Entity Operated Units
Lessee, Lease, Description
Number of restaurants	142
Building - Company Owned; Land - Leased | Entity Operated Units
Lessee, Lease, Description
Number of restaurants	147
Land And Building - Leased | Entity Operated Units
Lessee, Lease, Description
Number of restaurants	71