XML 62 R55.htm IDEA: XBRL DOCUMENT v3.26.1
INVESTMENTS AND FAIR VALUE MEASUREMENTS - NARRATIVE (Details) - USD ($)
Jul. 31, 2025
Apr. 30, 2025
Debt Securities, Available-for-sale [Line Items]    
Debt securities, available-for-sale, total aggregated loss $ 100,000 $ 100,000
Credit-related impairment losses 0 0
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Fair value of available-for-sale debt securities in unrealized loss position, Total 10,600,000 10,600,000
U.S. treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Fair value of available-for-sale debt securities in unrealized loss position, Total $ 0 $ 0