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Investments (Tables)
 3 Months Ended
May 01, 2021
Schedule of Investments [Abstract]  
Schedule of investments, cost and fair value
The following is a summary of investments as of May 1, 2021:
 
Amortized
Cost or
Par Value		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Other-than-
Temporary
Impairment		Estimated
Fair
Value
Held-to-Maturity Securities:     
State and municipal bonds$697 $— $— $— $697 
Trading Securities:     
Mutual funds$15,935 $3,152 $— $— $19,087 
 
The following is a summary of investments as of January 30, 2021:
 
Amortized
Cost or
Par Value		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Other-than-
Temporary
Impairment		Estimated
Fair
Value
Held-to-Maturity Securities:     
State and municipal bonds$3,359 $7 $— $— $3,366 
Trading Securities:     
Mutual funds$16,121 $2,199 $— $— $18,320 
Schedule of amortized cost and fair value of debt securities by contractual maturity
The amortized cost and fair value of debt securities by contractual maturity as of May 1, 2021 is as follows:
 
Amortized
Cost		Fair
Value
Held-to-Maturity Securities  
Less than 1 year$697 $697 
1 - 5 years— — 
 $697 $697