LEASES (Details) $ in Thousands	3 Months Ended
	Mar. 27, 2024 USD ($) lease item restaurant	Mar. 29, 2023 USD ($) restaurant
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	$ 6,348	$ 10,097
Restaurants sold | restaurant		1
California | Maximum
Lessee, Lease, Description [Line Items]
Operating lease, impairment charges		$ 100
Lease Not Yet Commenced
Lessee, Lease, Description [Line Items]
Number of operating leases | lease	2
Property Lease
Lessee, Lease, Description [Line Items]
Operating lease ROU assets	$ 5,860	$ 10,097
Property Lease | California
Lessee, Lease, Description [Line Items]
Number of restaurants primarily responsible for impairment | restaurant		1
Equipment Lease
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	26
Operating lease ROU assets	$ 488
Property lease modification
Lessee, Lease, Description [Line Items]
Number of Restaurants with lease modification | restaurant	8	12
Operating lease ROU assets	$ 5,900	$ 10,100
Facility Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1