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Summary of Refranchisings, Franchisee Development and Acquisitions (Number of Restaurants Sold to Franchisees and Developed by Franchisees and Gains Recognized) (Details) $ in Thousands | 12 Months Ended
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Sep. 29, 2019 USD ($) restaurant | Sep. 30, 2018 USD ($) restaurant | Oct. 01, 2017 USD ($) restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Restaurants sold to franchisees | restaurant |  | 0 | 135 | 178
New restaurants opened by franchisees | restaurant |  | 19 | 11 | 18
Cash | [1] | $ 1,280 | $ 26,486 | $ 99,591
Total proceeds from the sale of company-operated restaurants |  | 1,280 | 96,947 | 99,591
Net assets sold (primarily property and equipment) |  | 0 | (21,329) | (30,597)
Lease commitment charges | [2] | 0 | 0 | (11,737)
Goodwill related to the sale of company-operated restaurants |  | (2) | (4,663) | (10,062)
Other | [3] | 88 | (24,791) | (9,161)
Gains on the sale of company-operated restaurants |  | 1,366 | 46,164 | 38,034
Additional proceeds from the sale of a company-operated restaurant |  | 1,300 | 1,400 | 200
Maintenance and repair expenses |  |  | 2,300 |
Other miscellaneous non-capital charges |  |  | 3,700 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Sale of Related Markets |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Impairment charges |  |  |  | 4,600
Equipment write-offs |  |  |  | $ 1,400
2017 Reacquired Franchise Restaurants |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Restaurants sold to franchisees | restaurant |  |  |  | 42
Reduction of gains related to modification |  |  | 8,700 |
Franchise Remodel Incentive |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Costs related to franchise remodel incentives |  |  | 9,200 |
Notes Receivable |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Notes receivable |  | $ 0 | $ 70,461 | $ 0
[1] | Amounts in 2019, 2018, and 2017 include additional proceeds of $1.3 million, $1.4 million, and $0.2 million related to the extension of the underlying franchise and lease agreements from the sale of restaurants in prior years.
[2] | Charges are for operating restaurant leases with lease commitments in excess of our sublease rental income.
[3] | Amounts in 2018 primarily represent $9.2 million of costs related to franchise remodel incentives, $8.7 million reduction of gains related to the modification of certain 2017 refranchising transactions, $2.3 million of maintenance and repair expenses and $3.7 million of other miscellaneous non-capital charges. Amounts in 2017 represent impairment of $4.6 million and equipment write-offs of $1.4 million related to restaurants closed in connection with the sale of the related markets, maintenance and repair charges, and other miscellaneous non-capital charges.

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