v3.26.1
Customer Concentration and Revenue Information - Revenue Concentration Risk (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Aug. 01, 2026
Jul. 26, 2025
Aug. 01, 2026
Jul. 26, 2025
Concentration Risk        
Contract revenues $ 2,005,907 $ 1,377,944 $ 3,970,689 $ 2,636,551
Revenue Benchmark | Customer Concentration Risk        
Concentration Risk        
Contract revenues $ 2,005,900 $ 1,377,900 $ 3,970,700 $ 2,636,600
Concentration risk, percentage 100.00% 100.00% 100.00% 100.00%
Revenue Benchmark | Customer Concentration Risk | Total other customers combined        
Concentration Risk        
Contract revenues $ 1,287,700 $ 654,500 $ 2,466,800 $ 1,291,100
Concentration risk, percentage 64.20% 47.50% 62.10% 49.00%
Revenue Benchmark | Customer Concentration Risk | AT&T Inc.        
Concentration Risk        
Contract revenues $ 209,400 $ 195,000 $ 457,600 $ 366,800
Concentration risk, percentage 10.40% 14.20% 11.50% 13.90%
Revenue Benchmark | Customer Concentration Risk | Verizon Communications, Inc.        
Concentration Risk        
Contract revenues $ 403,500 $ 373,000 $ 807,300 $ 698,100
Concentration risk, percentage 20.10% 27.10% 20.30% 26.50%
Revenue Benchmark | Customer Concentration Risk | Lumen Technologies, Inc.        
Concentration Risk        
Contract revenues $ 105,300 $ 155,400 $ 239,000 $ 280,600
Concentration risk, percentage 5.30% 11.30% 6.00% 10.60%