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				6 Months Ended
		Apr. 14, 2024		Apr. 16, 2023		Apr. 14, 2024	Apr. 16, 2023
Restructuring and Related Activities [Abstract]
Acquisition, integration, and strategic initiatives	[1]	$ 4,268		$ 1,259		$ 9,889	$ 2,896
Costs of closed restaurants and other		773	[2]	560	[2]	1,632	2,745
Accelerated depreciation		88		185		125	453
Gains on acquisition of restaurants		0	[3]	0	[3]	(2,357)	0
Losses (gains) on disposition of property and equipment, net	[4]	138		976		1,148	(8,615)
Impairment and other charges		$ 5,267		$ 2,980		$ 10,437	$ (2,521)

[1] Acquisition, integration, and strategic initiatives are related to the acquisition and integration of Del Taco, as well as strategic consulting fees.

[2] Costs of closed restaurants and other generally includes ongoing costs associated with closed restaurants, cancelled project costs, and impairment charges as a result of our decision to close restaurants.

[3] gains on acquisition of 9 Del Taco restaurants.

[4] 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