SUMMARY OF REFRANCHISINGS AND ASSETS HELD FOR SALE - Refranchisings (Details) $ in Thousands		3 Months Ended				6 Months Ended
		Apr. 14, 2024 USD ($) restaurant		Apr. 16, 2023 USD ($) restaurant		Apr. 14, 2024 USD ($) restaurant	Apr. 16, 2023 USD ($) restaurant
Franchisor Disclosure [Line Items]
Goodwill related to the sale of company-operated restaurants						$ (105)
(Loss) gain on the sale of company-operated restaurants	[1]	$ (138)		$ (976)		(1,148)	$ 8,615
Jack in the Box restaurant operations
Franchisor Disclosure [Line Items]
Goodwill related to the sale of company-operated restaurants						0
Del Taco
Franchisor Disclosure [Line Items]
Goodwill related to the sale of company-operated restaurants						(105)
Operating restaurant impairment charges		2,200
Company operated
Franchisor Disclosure [Line Items]
Proceeds from the sale of company-operated restaurants		250	[2]	808	[2]	1,989	18,417
Net assets sold (primarily property and equipment)		(608)		0		(608)	(4,093)
Goodwill related to the sale of company-operated restaurants		(105)		0		(105)	(7,310)
Franchise fees		(454)		0		(454)	(577)
Sublease liabilities, net		(140)		0		(140)	(1,197)
Lease termination		0		0		0	(393)
Other		(8)	[3]	(104)	[3]	(2,001)	(318)
(Loss) gain on the sale of company-operated restaurants		$ (1,065)		$ 704		$ (1,319)	$ 4,529
Company operated | Jack in the Box restaurant operations
Franchisor Disclosure [Line Items]
Refranchising agreements | restaurant		0		0		0	5
Company operated | Del Taco
Franchisor Disclosure [Line Items]
Refranchising agreements | restaurant		13		0		13	16

[1] In 2024, loss on disposition of property and equipment primarily related to the lease termination and early closures of Del Taco restaurants. In 2023, gains on disposition of property and equipment primarily related to the sale of Jack in the Box restaurant properties to franchisees who were leasing the properties from us prior to the sale

[2] Amounts in 2024 and 2023 include additional proceeds received in connection with the extension of franchise and lease agreements from the sale of restaurants in prior years.

[3] mount in 2024 includes a $2.2 million impairment of assets in the first quarter of 2024 related to a Del Taco refranchising transaction that closed in the second quarter of 2024.