Leases, Operating Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Apr. 12, 2020	Apr. 12, 2020
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	$ 1,470	$ 3,527
Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	0	0
Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	1,470	3,527
Franchise
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	54,695	127,359
Variable lease income - franchise	15,190	38,610
Franchise rental revenues	69,885	165,969
Franchise | Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	4,572	10,667
Variable lease income - franchise	1,810	4,526
Franchise rental revenues	6,382	15,193
Franchise | Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	50,123	116,692
Variable lease income - franchise	13,380	34,084
Franchise rental revenues	$ 63,503	$ 150,776