Fair Value Measurements (Schedule of Financial Instruments Measure at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Oct. 29, 2022	Jan. 29, 2022	Oct. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	$ 28,502	$ 115,528	$ 165,072
Marketable securities - mutual funds that fund deferred compensation	10,353	14,961	17,834
Total	38,855	130,489	182,906
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market mutual funds	28,502	115,528	165,072
Marketable securities - mutual funds that fund deferred compensation	10,353	14,961	17,834
Total	38,855	130,489	182,906
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