OTHER OPERATING (INCOME) EXPENSES, NET - Summary of Impairment, Disposition of Property and Equipment, Restaurant Closing Costs and Restructuring (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 09, 2023	Jul. 10, 2022	Jul. 09, 2023	Jul. 10, 2022
Restructuring and Related Activities [Abstract]
Acquisition, integration, and restructuring costs	[1]	$ 2,463	$ 2,753	$ 5,359	$ 18,864
Costs of closed restaurants and other	[2]	1,272	837	4,017	2,559
Operating restaurant impairment charges	[3]	4,395	1,653	4,395	1,653
Accelerated depreciation		66	346	519	1,009
Gains on disposition of property and equipment, net (4)	[4]	(540)	(1,460)	(9,155)	(1,746)
Impairment and other charges		$ 7,656	$ 4,129	$ 5,135	$ 22,339

[1] Acquisition, integration, and restructuring costs are related to the acquisition and integration of Del Taco.

[2] Costs of closed restaurants and other primarily include impairment charges as a result of our decision to close restaurants, ongoing costs associated with closed restaurants, and canceled project costs. (3)In 2023, restaurant impairment charges related to the impairment of under-performing Del Taco restaurants currently held for use, whereas in 2022, the charges related to the impairment of under-performing Jack in the Box company-operated restaurants currently held for use. (4)The 2023 year-to-date gains on disposition of property and equipment primarily relate to the sale of Jack in the Box restaurant properties to franchisees who were leasing the properties from us prior to the sale.

[3] In 2023, restaurant impairment charges related to the impairment of under-performing Del Taco restaurants currently held for use, whereas in 2022, the charges related to the impairment of under-performing Jack in the Box company-operated restaurants currently held for use.

[4] The 2023 year-to-date gains on disposition of property and equipment primarily relate to the sale of Jack in the Box restaurant properties to franchisees who were leasing the properties from us prior to the sale