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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions				1 Months Ended
	Feb. 08, 2023 USD ($)	Oct. 24, 2022 USD ($)	Apr. 17, 2019 purchaser	Aug. 31, 2010 formerEmployee	Jan. 19, 2025 USD ($)
Loss Contingencies [Line Items]
Accruals for legal matters					$ 17.5
Lease guarantee					$ 18.2
Qdoba guaranteed leases, remaining term					13 years
Jack in the Box
Loss Contingencies [Line Items]
Number of former employees | formerEmployee				5
Damages awarded		$ 6.4
Interest Expense, Interest-Bearing Liability		$ 9.5
J&D Restaurant Group v. Jack in the Box Inc.
Loss Contingencies [Line Items]
Damages awarded	$ 8.0
Number of perspective purchasers | purchaser			2

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