Leases - Rental Income (Details) $ in Thousands	12 Months Ended
	Sep. 27, 2020 USD ($)
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	$ 6,370
Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	0
Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - closed restaurants and other	6,370
Franchise rental revenues
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	235,800
Variable lease income - franchise	84,847
Operating Lease, Lease Income, Total	320,647
Franchise rental revenues | Owned Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	19,785
Variable lease income - franchise	9,960
Operating Lease, Lease Income, Total	29,745
Franchise rental revenues | Leased Properties
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	216,015
Variable lease income - franchise	74,887
Operating Lease, Lease Income, Total	$ 290,902