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REVENUES - General Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2025	Mar. 29, 2024	Dec. 27, 2024
Revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	$ 31,108	$ 26,509
Revenue of the entity recorded in which it acts solely in the capacity of an agent	0
Retained accounts receivable	$ 25,500		$ 22,000
Minimum
Revenue
Percent of revenue (as a percent)	2.00%
Maximum
Revenue
Percent of revenue (as a percent)	3.00%
Cost of Sales
Revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	$ 0
Allocation of facilities costs to contract revenue	$ 0