Summary of Refranchisings and Franchise Acquisitions (Disclosure of Assets Held-for-sale) (Details) - USD ($) $ in Thousands	Oct. 01, 2023	Oct. 02, 2022
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	$ 13,925	$ 17,019
Jack in the Box
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	11,097	14,151
Other
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	766	2,868
Del Taco | Property, Plant and Equipment
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	771	0
Del Taco | Goodwill
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	$ 1,291	$ 0