Leases, Operating Lease Income (Details) - USD ($) $ in Thousands	4 Months Ended
	Jan. 17, 2021	Jan. 19, 2020
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	$ 1,865
Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	1,865
Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other		$ 2,057
Franchise
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	72,242
Variable lease income - franchise	31,507
Franchise rental revenues	103,749	96,084
Franchise | Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	72,242
Variable lease income - franchise	$ 31,507
Franchise | Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise		72,663
Variable lease income - franchise		$ 23,421