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SUPPLEMENTAL FINANCIAL STATEMENT DATA - Contract Assets (Details) - USD ($) $ in Thousands | Dec. 29, 2023 | Dec. 30, 2022
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SUPPLEMENTAL FINANCIAL STATEMENT DATA |  |
Unbilled short-term | $ 79,585 | $ 74,545
Contract retentions | 14,300 | 8,515
Contract assets | 93,885 | 83,060
Unbilled long-term | 2,849 | 2,330
Total contract assets | $ 96,734 | $ 85,390

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