Fair Value Measurements (Schedule of Financial Instruments Measure at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Jul. 29, 2023	Jan. 28, 2023	Jul. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	$ 22,445	$ 45,265	$ 41,401
Marketable securities - mutual funds that fund deferred compensation	12,218	11,601	10,994
Total	34,663	56,866	52,395
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	22,445	45,265	41,401
Marketable securities - mutual funds that fund deferred compensation	12,218	11,601	10,994
Total	34,663	56,866	52,395
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