Fair Value of Financial Instruments (Schedule of Financial Instruments Measure at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Jan. 28, 2023	Jan. 29, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	$ 45,265	$ 115,528
Marketable securities - mutual funds that fund deferred compensation	11,601	14,961
Total	56,866	130,489
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	45,265	115,528
Marketable securities - mutual funds that fund deferred compensation	11,601	14,961
Total	56,866	130,489
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	0	0
Marketable securities - mutual funds that fund deferred compensation	0	0
Total	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
Marketable securities - mutual funds that fund deferred compensation	0	0
Total	$ 0	$ 0