LEASES (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2024 USD ($) lease restaurant	Jun. 28, 2023 USD ($) restaurant	Jun. 26, 2024 USD ($) lease restaurant item	Jun. 28, 2023 USD ($) restaurant
Lessee, Lease, Description [Line Items]
Initial lease term	20 years		20 years
Number of renewable options | item			4
Renewal term	5 years		5 years
Lessee, Operating Lease, Existence of Option to Extend [true false]			true
Operating lease ROU assets			$ 8,099	$ 13,634
Operating lease, impairment charges			$ 0
California | Maximum
Lessee, Lease, Description [Line Items]
Operating lease, impairment charges				100
Operating Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Number of operating leases | lease	2		2
Financing Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	2		2
Property Lease
Lessee, Lease, Description [Line Items]
Operating lease ROU assets			$ 6,866	$ 13,607
Property Lease | California
Lessee, Lease, Description [Line Items]
Number of restaurants primarily responsible for impairment | restaurant				1
Equipment Lease [Member]
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	20		20
Operating lease ROU assets			$ 1,233	$ 27
Property lease modification
Lessee, Lease, Description [Line Items]
Number of Restaurants with lease modification | restaurant	4	10	12	22
Operating lease ROU assets	$ 1,800	$ 3,500	$ 8,100	$ 13,600
Facility Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1		1