LEASES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2024 USD ($) restaurant lease	Sep. 27, 2023 USD ($) restaurant	Sep. 25, 2024 USD ($) lease restaurant item	Sep. 27, 2023 USD ($) restaurant
Lessee, Lease, Description [Line Items]
Initial lease term	20 years		20 years
Existence of residual value guarantee			false
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			$ 12,743	$ 15,499
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	1		1
Financing Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1		1
Property Leases
Lessee, Lease, Description [Line Items]
Operating lease ROU assets			$ 11,457	$ 15,445
Property Leases | California
Lessee, Lease, Description [Line Items]
Number of restaurants primarily responsible for impairment | restaurant				1
Equipment Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	20		20
Operating lease ROU assets			$ 1,286	$ 54
Property lease modification
Lessee, Lease, Description [Line Items]
Number of Restaurants with lease modification | restaurant	7	5	19	27
Operating lease ROU assets	$ 4,600	$ 1,900	$ 12,700	$ 15,400
Facility Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1		1