FRANCHISE ACQUISITIONS - Narrative (Details) $ in Thousands		4 Months Ended
		Jan. 21, 2024 USD ($) restaurants	Jan. 22, 2023 USD ($)
Asset Acquisition [Line Items]
Purchase price		$ 86
Gains on acquisition of restaurants	[1]	$ 2,357	$ 0
Del Taco
Asset Acquisition [Line Items]
Number of restaurants acquired from franchisees | restaurants		9

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