Accounts Receivable, Contract Assets, and Contract Liabilities - Change in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	May 01, 2021	Apr. 25, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cumulative effect from implementation of ASU 2016-13	$ 1,676	$ 4,582
Provision for bad debt	2,823	118
Amounts charged against the allowance	(262)	(5)
Allowance for doubtful accounts at end of period	4,237	5,166
Cumulative effect from implementation of ASU 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cumulative effect from implementation of ASU 2016-13	$ 0	$ 471