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Fair Value of Financial Instruments
3 Months Ended
Jul. 31, 2022
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments Fair Value of Financial Instruments
The Company's financial instruments consist primarily of cash and equivalents, mutual funds, cash surrender value of life insurance policies, and short-term borrowings. The carrying value of these assets and liabilities approximates their fair value. The following tables summarize the Company's fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis as of July 31, 2022 and April 30, 2022 (in thousands):
 July 31, 2022
Financial AssetsLevel 1Level 2Total
Trading securities held in non-qualified compensation plans (1)
$1,015 $— $1,015 
Cash surrender value of life insurance policies (1)
— 1,360 1,360 
Total$1,015 $1,360 $2,375 
Financial Liabilities
Non-qualified compensation plans (2)
$— $2,806 $2,806 
Total$— $2,806 $2,806 
 April 30, 2022
Financial AssetsLevel 1Level 2Total
Trading securities held in non-qualified compensation plans (1)
$1,219 $— $1,219 
Cash surrender value of life insurance policies (1)
— 1,371 1,371 
Total$1,219 $1,371 $2,590 
Financial Liabilities
Non-qualified compensation plans (2)
$— $3,003 $3,003 
Total$— $3,003 $3,003 
(1)The Company maintains two non-qualified compensation plans which include investment assets in a rabbi trust. These assets consist of marketable securities, which are valued using quoted market prices multiplied by the number of shares owned, and life insurance policies, which are valued at their cash surrender value.
(2)Plan liabilities are equal to the individual participants' account balances and other earned retirement benefits.