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Customer Concentration and Revenue Information - Revenue Concentration Risk (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 26, 2024 | Oct. 28, 2023 | Oct. 26, 2024 | Oct. 28, 2023
Concentration Risk |  |  |  |
Contract revenues | $ 1,272,007 | $ 1,136,110 | $ 3,617,489 | $ 3,223,119
Revenue Benchmark | Customer Concentration Risk |  |  |  |
Concentration Risk |  |  |  |
Contract revenues | $ 1,272,000 | $ 1,136,100 | $ 3,617,500 | $ 3,223,100
Concentration risk, percentage | 100.00% | 100.00% | 100.00% | 100.00%
Revenue Benchmark | Customer Concentration Risk | AT&T Inc. |  |  |  |
Concentration Risk |  |  |  |
Contract revenues | $ 265,600 | $ 145,100 | $ 691,300 | $ 543,800
Concentration risk, percentage | 20.90% | 12.80% | 19.10% | 16.90%
Revenue Benchmark | Customer Concentration Risk | Lumen Technologies |  |  |  |
Concentration Risk |  |  |  |
Contract revenues | $ 146,400 | $ 187,600 | $ 466,900 | $ 486,500
Concentration risk, percentage | 11.50% | 16.50% | 12.90% | 15.10%
Revenue Benchmark | Customer Concentration Risk | Comcast Corporation |  |  |  |
Concentration Risk |  |  |  |
Contract revenues | $ 102,700 | $ 111,200 | $ 313,300 | $ 351,300
Concentration risk, percentage | 8.10% | 9.80% | 8.70% | 10.90%
Revenue Benchmark | Customer Concentration Risk | Total other customers combined |  |  |  |
Concentration Risk |  |  |  |
Contract revenues | $ 757,300 | $ 692,200 | $ 2,146,000 | $ 1,841,500
Concentration risk, percentage | 59.50% | 60.90% | 59.30% | 57.10%

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