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Accounts Receivable, Contract Assets, and Contract Liabilities - Accounts Receivable (Details) - USD ($) $ in Thousands | Apr. 27, 2024 | Jan. 27, 2024
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Receivables [Abstract] |  |
Trade accounts receivable | $ 468,071 | $ 462,034
Unbilled accounts receivable | 861,297 | 734,442
Retainage | 44,975 | 49,556
Total | 1,374,343 | 1,246,032
Less: allowance for doubtful accounts | (1,539) | (2,776)
Accounts receivable, net | $ 1,372,804 | $ 1,243,256

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