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Investments
9 Months Ended
Oct. 31, 2020
Schedule of Investments [Abstract]  
Investments Investments
The following is a summary of investments as of October 31, 2020:
 
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$7,410 $21 $— $— $7,431 
Trading Securities:     
Mutual funds$15,208 $1,521 $— $— $16,729 
 
The following is a summary of investments as of February 1, 2020:
 
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$12,532 $13 $(1)$— $12,544 
Trading Securities:     
Mutual funds$14,563 $1,300 $— $— $15,863 

The amortized cost and fair value of debt securities by contractual maturity as of October 31, 2020 is as follows:
 
Amortized
Cost
Fair
Value
Held-to-Maturity Securities  
Less than 1 year$7,410 $7,431 
1 - 5 years— — 
 $7,410 $7,431 
 
As of October 31, 2020 and February 1, 2020, all of the Company's investments in held-to-maturity securities are classified in short-term investments. Trading securities are held in a Rabbi Trust, intended to fund the Company’s deferred compensation plan, and are classified in long-term investments.