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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 | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 12, 2020 USD ($) restaurant | Sep. 27, 2020 USD ($) restaurant | Sep. 29, 2019 USD ($) restaurant | Sep. 30, 2018 USD ($) restaurant
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Restaurants sold to franchisees | restaurant |  | 0 | 0 | 135
Cash |  | $ 3,395 | $ 1,280 | $ 26,486
Total proceeds from the sale of company-operated restaurants |  | 3,395 | 1,280 | 96,947
Net assets sold (primarily property and equipment) |  | 0 | 0 | (21,329)
Goodwill related to the sale of company-operated restaurants |  | 0 | (2) | (4,663)
Other |  | (134) | 88 | (24,791)
Gains on the sale of company-operated restaurants |  | 3,261 | 1,366 | 46,164
Additional proceeds from the sale of a company-operated restaurant |  | 3,400 | 1,300 | $ 1,400
Maintenance and repair expenses |  |  | 2,300 |
Other miscellaneous non-capital charges |  |  | $ 3,700 |
Number of restaurants acquired from franchisees | restaurant |  |  | 0 | 0
Franchise Acquisitions |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Consideration transferred | $ 900 |  |  |
Obtained Judgment |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
Number of restaurants acquired from franchisees | restaurant | 8 |  |  |
2017 Reacquired Franchise Restaurants |  |  |  |
Summary Of Refranchisings, Franchisee Development And Acquisitions [Line Items] |  |  |  |
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 | $ 0 | $ 70,461

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- Definition Write-off of the carrying amount of certain assets, primarily property and equipment but including other miscellaneous assets, associated with all or a portion of a reporting unit that is sold in the period. + References No definition available. + Details
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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