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Accounts Receivable, Contract Assets, and Contract Liabilities - Accounts Receivable (Details) - USD ($) $ in Thousands | Jul. 26, 2025 | Jan. 25, 2025
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Receivables [Abstract] |  |
Trade accounts receivable | $ 585,264 | $ 538,475
Unbilled accounts receivable | 976,584 | 801,423
Retainage | 28,708 | 34,934
Total | 1,590,556 | 1,374,832
Less: allowance for credit losses | (2,595) | (1,094)
Accounts receivable, net | $ 1,587,961 | $ 1,373,738

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