Fair Value Measurements (Schedule of Financial Instruments Measure at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Oct. 28, 2023	Jan. 28, 2023	Oct. 29, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	$ 53,275	$ 45,265	$ 28,502
Marketable securities - mutual funds that fund deferred compensation	11,226	11,601	10,353
Total	64,501	56,866	38,855
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	53,275	45,265	28,502
Marketable securities - mutual funds that fund deferred compensation	11,226	11,601	10,353
Total	64,501	56,866	38,855
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	0	0	0
Marketable securities - mutual funds that fund deferred compensation	0
Total	0	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	0	0	0
Marketable securities - mutual funds that fund deferred compensation	0
Total	$ 0	$ 0	$ 0