Leases, Operating Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 05, 2020	Jul. 05, 2020
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	$ 1,442	$ 4,969
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	1,442	4,969
Franchise
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	54,381	181,740
Variable lease income - franchise	21,640	60,250
Franchise rental revenues	76,021	241,990
Franchise | Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	4,562	15,229
Variable lease income - franchise	2,570	7,096
Franchise rental revenues	7,132	22,325
Franchise | Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	49,819	166,511
Variable lease income - franchise	19,070	53,154
Franchise rental revenues	$ 68,889	$ 219,665