Accounts Receivable, Contract Assets, and Contract Liabilities - Customer Credit Concentration (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount	$ 1,067,013	$ 895,898
% 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	$ 189,300	$ 166,000
% of Total	17.40%	18.40%
AT&T Inc. | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount	$ 136,200	$ 106,000
% of Total	12.50%	11.70%
Comcast Corporation | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount	$ 125,200	$ 113,500
% of Total	11.50%	12.60%
Verizon Communications Inc. | Trade Accounts Receivable and Costs and Estimated Earnings | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount	$ 102,700	$ 144,300
% of Total	9.40%	16.00%