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Accounts Receivable, Contract Assets, and Contract Liabilities - Customer Credit Concentration (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 29, 2023 | Jan. 28, 2023
Concentration Risk |  |
Amount | $ 1,214,450 | $ 1,067,013
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Lumen Technologies |  |
Concentration Risk |  |
Amount | $ 315,300 | $ 189,300
% of Total | 24.70% | 17.40%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | AT&T Inc. |  |
Concentration Risk |  |
Amount | $ 132,400 | $ 136,200
% of Total | 10.40% | 12.50%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Comcast Corporation |  |
Concentration Risk |  |
Amount | $ 125,900 | $ 125,200
% of Total | 9.90% | 11.50%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Windstream Corporation |  |
Concentration Risk |  |
Amount | $ 96,500 | $ 153,200
% of Total | 7.60% | 14.00%

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