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Summary of Refranchisings and Franchise Acquisitions (Summary Of Refranchisings And Franchise Acquisitions) (Details) $ in Thousands | 12 Months Ended
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Oct. 02, 2022 USD ($) restaurant | Oct. 03, 2021 USD ($) restaurant | Sep. 27, 2020 USD ($) restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |
Proceeds from the sale of company-operated restaurants | $ 6,391 | $ 1,827 | $ 3,395
Goodwill related to the sale of company-operated restaurants |  | (948) |
Gains on the sale of company-operated restaurants | $ 30,533 | $ 6,888 | $ 9,768
Entity Operated Units |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |
Restaurants sold to Jack in the Box franchisees | restaurant | 15 | 0 | 0
Proceeds from the sale of company-operated restaurants | $ 6,391 | $ 1,827 | $ 3,395
Net assets sold (primarily property and equipment) | (1,565) | 0 | 0
Goodwill related to the sale of company-operated restaurants | (948) | 0 | 0
Other | 0 | 2,376 | (134)
Gains on the sale of company-operated restaurants | 3,878 | 4,203 | 3,261
Proceeds from the extension of franchise and lease agreements from the sale of restaurants in prior years | $ 1,400 | $ 1,800 | $ 3,400

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