LEASES (Details) $ in Thousands	12 Months Ended
	Dec. 27, 2023 USD ($) restaurant item	Dec. 28, 2022 USD ($) property restaurant	Dec. 29, 2021 USD ($) restaurant	Dec. 27, 2023 item	Dec. 27, 2023 restaurant	Dec. 27, 2023 lease	Dec. 27, 2023
Lessee, Lease, Description [Line Items]
Initial lease term	20 years
Number of renewable options | item	4
Renewal term	5 years
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Operating lease ROU assets	$ 21,502	$ 13,070	$ 17,763
Original impact of original lease classification	$ 0
Number of restaurants primarily responsible for impairment | restaurant	1	1	2
Operating lease, impairment charges			$ 400
Restaurants sold | restaurant	18
Texas
Lessee, Lease, Description [Line Items]
Number of restaurants closed | restaurant			1
California
Lessee, Lease, Description [Line Items]
Number of restaurants closed		1	1	1	1
California | Maximum
Lessee, Lease, Description [Line Items]
Operating lease, impairment charges	$ 100	$ 100
Lease Not Yet Commenced
Lessee, Lease, Description [Line Items]
Number of operating leases | lease						0
Property Lease
Lessee, Lease, Description [Line Items]
Number of finance leases							1
Operating lease ROU assets	21,448	12,978	$ 17,763
Equipment Lease
Lessee, Lease, Description [Line Items]
Number of finance leases | lease						13
Operating lease ROU assets	$ 54	$ 92
Property lease modification
Lessee, Lease, Description [Line Items]
Number of Restaurants with lease modification | restaurant	36	22
Operating lease ROU assets	$ 21,500	$ 13,000
Number of properties impacted on original lease classification | property		1
Original impact of original lease classification		$ 700