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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. 30, 2022 | Jan. 29, 2022
Concentration Risk |  |
Amount | $ 1,118,595 | $ 895,898
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Lumen Technologies |  |
Concentration Risk |  |
Amount | $ 231,100 | $ 166,000
% of Total | 20.10% | 18.40%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | AT&T Inc. |  |
Concentration Risk |  |
Amount | $ 162,300 | $ 106,000
% of Total | 14.10% | 11.70%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Verizon Communications Inc. |  |
Concentration Risk |  |
Amount | $ 147,700 | $ 144,300
% of Total | 12.90% | 16.00%
Customer Concentration Risk | Trade Accounts Receivable and Costs and Estimated Earnings | Comcast Corporation |  |
Concentration Risk |  |
Amount | $ 133,900 | $ 113,500
% of Total | 11.70% | 12.60%

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