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Other Operating Expense (Income), Net (Impairment and Disposal Costs Included in Impairment and Other Charges) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 28, 2025 | Sep. 29, 2024 | Oct. 01, 2023
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Operating restaurant impairment charges | $ 4,384 | $ 8,008 | $ 4,569
Restructuring Costs | 7,298 | 15,631 | 9,112
Costs of closed restaurants and other | 8,467 | 2,975 | 4,786
Accelerated depreciation | 99 | 699 | 541
Gains on acquisition of restaurants | (6) | (2,702) | 0
Gains on disposition of property and equipment, net | 2,161 | 185 | (8,171)
Impairment and other charges, net | 22,403 | 24,796 | 10,837
Jack in the Box |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Operating restaurant impairment charges | 1,900 | 5,400 |
Del Taco |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Operating restaurant impairment charges | $ 2,400 | $ 2,600 | $ 4,400

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