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Investments (Schedule of Investments) (Details) - USD ($)
$ in Thousands
May 03, 2025
Feb. 01, 2025
Held-to-maturity Securities [Abstract]    
Held-to-Maturity Securities, Amortized Cost or Par Value $ 22,883 $ 23,801
Held-to-Maturity Securities, Estimated Fair Value 22,864 23,831
State and municipal bonds [Member]    
Held-to-maturity Securities [Abstract]    
Held-to-Maturity Securities, Amortized Cost or Par Value 22,883 23,801
Held-to-Maturity Securities, Gross Unrealized Gains 3 31
Held-to-Maturity Securities, Gross Unrealized Losses (22) (1)
Held-to-Maturity Securities, Other-than-Temporary Impairment 0 0
Held-to-Maturity Securities, Estimated Fair Value 22,864 23,831
Mutual Fund [Member]    
Trading Securities [Abstract]    
Trading Securities, Amortized Cost or Par Value 26,146 25,516
Trading Securities, Gross Unrealized Gains 2,129 2,600
Trading Securities, Gross Unrealized Losses 0 0
Trading Securities, Other-than-Temporary Impairment 0 0
Trading Securities, Estimated Fair Value $ 28,275 $ 28,116