GOODWILL AND INTANGIBLE ASSETS, NET - Changes in Carrying Amount of Goodwill - (Details) $ in Thousands	6 Months Ended
Apr. 16, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 366,821
Goodwill, ending balance	353,611
Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(72)
Damages awarded	(5,900)
Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(7,238)
Jack in the Box
Goodwill [Roll Forward]
Goodwill, beginning balance	136,099
Goodwill, ending balance	136,027
Jack in the Box \| Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(72)
Damages awarded	0
Jack in the Box \| Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	0
Del Taco
Goodwill [Roll Forward]
Goodwill, beginning balance	230,722
Goodwill, ending balance	217,584
Del Taco \| Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	0
Damages awarded	(5,900)
Del Taco \| Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	$ (7,238)

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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