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Fair Value Measurements
3 Months Ended
Jul. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
 
The Company utilizes the hierarchy of fair value measurements to classify certain of its assets and liabilities based upon the following definitions:
Level 1- Investments with quoted prices in active markets for identical assets or liabilities. The Company's cash equivalents are invested in money market funds, mutual funds, and certificates of deposit. The Company's mutual fund investment assets represent contributions made and invested on behalf of the Company's former executive officers in a supplementary employee retirement plan.

Level 2- Investments with observable inputs other than Level 1 prices, such as: quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3- Investments with unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. The Company has no Level 3 assets or liabilities measured on a recurring basis.
The Company's financial instruments include cash and equivalents, marketable securities, and other investments; accounts receivable and accounts payable; interest rate swap and foreign exchange forward contracts; and short- and long-term debt. The carrying values of cash and equivalents, accounts receivable and payable, and short-term debt on the condensed consolidated balance sheets approximate their fair value due to the short maturities of these items. The interest rate swap and foreign exchange forward contracts were marked to market and therefore represent fair value. The fair values of these contracts are determined based on inputs that are readily available in public markets or can be derived from information available in publicly quoted markets. The following table summarizes the fair value of assets that are recorded in the Company's consolidated financial statements as of July 31, 2023 and April 30, 2023 at fair value on a recurring basis (in thousands):
 Fair Value Measurements
 As of July 31, 2023
 Level 1Level 2Level 3
ASSETS:   
Mutual funds$199 $— $— 
Interest rate swap contracts— 15,128 — 
Foreign exchange forward contracts— 1,015 — 
Total assets at fair value$199 $16,143 $— 
 As of April 30, 2023
 Level 1Level 2Level 3
ASSETS:   
Mutual funds$191 $— $— 
Interest rate swap contracts— 13,885 — 
Total assets at fair value$191 $13,885 $— 
There were no transfers between Level 1, Level 2, or Level 3 for assets measured at fair value on a recurring basis.