Summary of Refranchisings and Franchise Acquisitions (Disclosure of Assets Held-for-sale) (Details) - USD ($) $ in Thousands	Sep. 29, 2024	Oct. 01, 2023
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	$ 16,493	$ 13,925
Jack in the Box
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	14,567	11,097
Other
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	199	766
Del Taco | Property, Plant and Equipment
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	1,318	771
Del Taco | Goodwill
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items]
Assets held for sale	$ 409	$ 1,291