REVENUE FROM CONTRACTS WITH CUSTOMERS - Additional Information (Details)			12 Months Ended
	Aug. 04, 2020 USD ($) item	Aug. 03, 2020 USD ($) item	Dec. 28, 2022 USD ($) restaurant item	Dec. 29, 2021 USD ($) restaurant
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Number of revenue streams | item			2
Accrued Loyalty Rewards Program Liability, Current			$ 500,000	$ 700,000
Loyalty Rewards Program, Expected Loyalty Points Redemption Period			1 year
Loyalty Rewards Program, Award Earned	$ 5	$ 10
Loyalty Rewards Program, Expiration Period For Inactivity	1 year
Loyalty Rewards Program, Points Needed For One Reward | item	50	100
Loyalty Reward Program, unused reward expiration period	6 months
Franchise Rights
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Renewal period			20 years
Franchise agreement term			20 years
Restaurant Sale | Disposed of by Sale | Orange Country
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Number of Restaurants | restaurant			3
Additional contract liability			$ 800,000
Restaurant Sale | Disposed of by Sale | Sacramento Area
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Number of Restaurants | restaurant				8
Additional contract liability				$ 700,000