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Accounts Receivable, Contract Assets, and Contract Liabilities - Customer Credit Concentration (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 27, 2024 | Jan. 28, 2023 | Jan. 29, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amount | $ 1,243,256 | $ 1,067,013 |
% of Total | 100.00% | 100.00% | 100.00%
Lumen Technologies | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amount | $ 345,000 | $ 189,300 |
% of Total | 27.40% | 17.40% |
Comcast Corporation | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amount | $ 104,700 | $ 125,200 |
% of Total | 8.30% | 11.50% |
AT&T Inc. | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amount | $ 90,300 | $ 136,200 |
% of Total | 7.20% | 12.50% |

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