GOODWILL AND INTANGIBLE ASSETS, NET - Changes in Carrying Amount of Goodwill - (Details) $ in Thousands	6 Months Ended
Apr. 14, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 329,986
Sale of Del Taco company-operated restaurants to franchisees	(105)
Reclassified to assets held for sale	(298)
Goodwill, ending balance	329,583
Jack in the Box restaurant operations
Goodwill [Roll Forward]
Goodwill, beginning balance	136,027
Sale of Del Taco company-operated restaurants to franchisees	0
Reclassified to assets held for sale	0
Goodwill, ending balance	136,027
Del Taco
Goodwill [Roll Forward]
Goodwill, beginning balance	193,959
Sale of Del Taco company-operated restaurants to franchisees	(105)
Reclassified to assets held for sale	(298)
Goodwill, ending balance	$ 193,556

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The increase (decrease) during the period in book value of long-lived assets that the reporting entity plans to sell within one year (or one business cycle).

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