REFRANCHISING - Schedule of Gain on Refranchising Restaurant Costs and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021
Statement [Line Items]
Refranchising loss	$ (4,178)	$ (314)
Restaurant sales | Assets classified as held for sale
Statement [Line Items]
Restaurant costs and expenses, net of revenue	(4,200)	(3,000)
Gains on store sales or closures	$ 0	$ 2,700