GOODWILL AND INTANGIBLE ASSETS, NET - Changes in Carrying Amount of Goodwill - (Details) $ in Thousands	4 Months Ended
	Jan. 21, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 329,986
Reclassified to assets held for sale	(403)
Goodwill, ending balance	329,583
Jack in the Box restaurant operations
Goodwill [Roll Forward]
Goodwill, beginning balance	136,027
Goodwill, ending balance	136,027
Jack in the Box restaurant operations | Jack in the Box restaurant operations
Goodwill [Roll Forward]
Reclassified to assets held for sale	0
Del Taco
Goodwill [Roll Forward]
Goodwill, beginning balance	193,959
Goodwill, ending balance	193,556
Del Taco | Del Taco
Goodwill [Roll Forward]
Reclassified to assets held for sale	$ (403)