Leases (Sale, Leaseback Transactions) (Details) $ in Thousands	3 Months Ended	4 Months Ended	12 Months Ended
	Jul. 05, 2020 USD ($)	Jan. 19, 2020 USD ($) saleLeasebackTransaction	Oct. 02, 2022 USD ($) saleLeasebackTransaction	Oct. 03, 2021 USD ($) saleLeasebackTransaction	Sep. 27, 2020 USD ($) saleLeasebackTransaction officeBuilding
Sale Leaseback Transaction [Line Items]
Number of sales - leaseback transactions completed | saleLeasebackTransaction		1	4	2	2
Proceeds from the sale and leaseback of assets			$ 10,768	$ 3,884	$ 19,828
Notice period for termination of lease without penalty					90 days
Restaurant
Sale Leaseback Transaction [Line Items]
Proceeds from the sale and leaseback of assets	$ 2,400		10,800	3,900
Gain on sale of leaseback transaction	$ 100		$ (200)	$ 100
Initial term of operating lease	17 years			20 years
Restaurant | Minimum
Sale Leaseback Transaction [Line Items]
Initial term of operating lease			16 years
Restaurant | Maximum
Sale Leaseback Transaction [Line Items]
Initial term of operating lease			20 years
Multi-tenant Commercial Property
Sale Leaseback Transaction [Line Items]
Proceeds from the sale and leaseback of assets		$ 17,400
Gain on sale of leaseback transaction		$ 200
Initial term of operating lease		20 years
Principal Executive Offices
Sale Leaseback Transaction [Line Items]
Number of sales - leaseback transactions completed | officeBuilding					1
Proceeds from the sale and leaseback of assets					$ 20,600
Gain on sale of leaseback transaction					$ 10,800
Initial term of operating lease					18 months