LEASES (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) lease item restaurant	Dec. 25, 2024 USD ($) restaurant	Dec. 27, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Initial lease term	20 years
Existence of residual value guarantee	false
Number of renewable options | item	4
Renewal term	5 years
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 17,467,000	$ 21,798,000	$ 21,502,000
Number of lease commencements	5
ROU assets increased due to new lease commencements	$ 6,200,000
Original impact of original lease classification	0	$ 0
Number of restaurants primarily responsible for impairment | restaurant		1
Operating lease, impairment charges	$ 0	$ 0
California
Lessee, Lease, Description [Line Items]
Number of restaurants closed | restaurant		1
California | Maximum
Lessee, Lease, Description [Line Items]
Operating lease, impairment charges		$ 100,000
Operating Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Number of operating leases | lease	0
Lease Not Yet Commenced | Financing Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	0
Equipment Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	24
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 3,000	$ 1,294,000	$ 54,000
Property lease modification
Lessee, Lease, Description [Line Items]
Number of Restaurants with lease modification | restaurant	19	28
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 11,300,000	$ 20,500,000
Facility Leases
Lessee, Lease, Description [Line Items]
Number of finance leases | lease	1