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REVENUES - General Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 27, 2024 | Sep. 29, 2023 | Sep. 27, 2024 | Sep. 29, 2023 | Dec. 29, 2023
Revenue |  |  |  |  |
Payroll taxes, bonuses and employee benefit costs for all Company personnel | $ 25,876 | $ 23,805 | $ 78,449 | $ 68,606 |
Revenue of the entity recorded in which it acts solely in the capacity of an agent |  |  | 0 |  |
Retained accounts receivable | $ 18,900 |  | $ 18,900 |  | $ 14,300
Minimum |  |  |  |  |
Revenue |  |  |  |  |
Percent of revenue (as a percent) | 2.00% |  | 2.00% |  |
Maximum |  |  |  |  |
Revenue |  |  |  |  |
Percent of revenue (as a percent) | 3.00% |  | 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 |  |

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