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Investments (Schedule of Investments) (Details) - USD ($)
$ in Thousands
Nov. 02, 2024
Feb. 03, 2024
Held-to-maturity Securities [Abstract]    
Held-to-Maturity Securities, Amortized Cost or Par Value $ 23,482 $ 22,210
Held-to-Maturity Securities, Estimated Fair Value 23,479 22,222
State and municipal bonds [Member]    
Held-to-maturity Securities [Abstract]    
Held-to-Maturity Securities, Amortized Cost or Par Value 23,482 22,210
Held-to-Maturity Securities, Gross Unrealized Gains 8 23
Held-to-Maturity Securities, Gross Unrealized Losses (11) (11)
Held-to-Maturity Securities, Other-than-Temporary Impairment 0 0
Held-to-Maturity Securities, Estimated Fair Value 23,479 22,222
Mutual Fund [Member]    
Trading Securities [Abstract]    
Trading Securities, Amortized Cost or Par Value 24,589 24,132
Trading Securities, Gross Unrealized Gains 2,672 861
Trading Securities, Gross Unrealized Losses 0 0
Trading Securities, Other-than-Temporary Impairment 0 0
Trading Securities, Estimated Fair Value $ 27,261 $ 24,993