SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Financing Costs and Insurance Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Amortization of Debt Issuance Costs	$ 197	$ 201	$ 340
Accrued insurance	11,417	11,831
Expense for payroll and benefits reserves	9,900	9,200	8,700
Other Assets
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Deferred financing fees net of accumulated amortization	500	700
Interest expense
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Amortization of Debt Issuance Costs	$ 200	$ 200	$ 300