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Accounts Receivable, Contract Assets, and Contract Liabilities - Customer Credit Concentration (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 29, 2023 | Oct. 29, 2022 | Jan. 28, 2023
Concentration Risk |  |  |
Amount | $ 1,184,871 |  | $ 1,067,013
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Lumen Technologies |  |  |
Concentration Risk |  |  |
Amount | $ 245,800 |  | $ 189,300
% of Total | 20.10% |  | 17.40%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | AT&T Inc. |  |  |
Concentration Risk |  |  |
Amount | $ 135,000 |  | $ 136,200
% of Total | 11.00% |  | 12.50%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Comcast Corporation |  |  |
Concentration Risk |  |  |
Amount | $ 122,500 |  | $ 125,200
% of Total | 10.00% |  | 11.50%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Windstream Corporation |  |  |
Concentration Risk |  |  |
Amount | $ 192,100 |  | $ 153,200
% of Total | 15.70% | 14.00% |

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