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SUPPLEMENTAL FINANCIAL STATEMENT DATA - Contract Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2023	Dec. 30, 2022
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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