SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Gain on Recovery of Insurance Proceeds (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Gain on recovery of insurance proceeds	$ 300	$ 327
Received from the insurance		500
Gain on recovery of insurance proceeds, property, equipment and expenses	41	247
Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Gain on recovery of insurance proceeds, property, equipment and expenses	$ 100
Fire | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Incurred costs		$ 100