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Shareholders' Equity (Tables)
 12 Months Ended
Apr. 30, 2024
Equity [Abstract]  
Schedule of Changes in Outstanding Options
A summary of changes in outstanding options for the year ended April 30, 2024 is as follows:
Number of
Shares		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Contractual
Term
(years)		Aggregate
Intrinsic
Value
Outstanding at May 1, 2023
5,273,057 $16.59 
Granted*1,481,000 12.10 
Exercised(26,253)11.06 
Forfeited(223,800)14.68 
Expired(101,600)12.31
Outstanding at April 30, 2024*6,402,404 $15.71 3.2$9,750 
Exercisable at April 30, 20242,725,704 $16.06 2.0$9,193 
*amounts adjusted for rounding
Schedule of Changes in Outstanding Restricted Stock Unit, Activity
A summary of changes in outstanding RSUs for the year ended April 30, 2024 is as follows:
Number of
Shares		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Contractual
Term
(years)		Aggregate
Intrinsic
Value
Outstanding at May 1, 2023
— $— 
Granted95,613 11.82 
Exercised— — 
Forfeited— — 
Expired— — 
Outstanding at April 30, 2024*95,613 $11.82 0.1$966,647 
Exercisable at April 30, 2024— $— — $— 
*amounts adjusted for rounding
Schedule of Fair Value of Option Award Estimated Using Black-Scholes Option Pricing Model
The fair value of option awards are estimated on the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions for the years ended April 30, 2024, 2023 and 2022:
202420232022
Dividend yield3.7 %2.7 %1.7 %
Expected volatility43.8 %42.8 %41.3 %
Risk-free interest rate4.1 %3.3 %1.1 %
Expected term5 years5 years5 years