v3.26.1
Share-Based Payments (Tables)
12 Months Ended
Apr. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Weighted-average Black-Scholes assumptions for stock options granted
The fair value of each stock option is estimated on the date of grant using a Black-Scholes option-pricing model with the following weighted-average assumptions for stock options granted:
2024
Expected volatility25.0 %
Dividend yield2.7 %
Risk-free interest rate3.9 %
Expected life of stock options (years)6.0
Summary of the Company's stock option activity and related information
The following table is a summary of our stock option activity.
Number of 
Stock Options
Weighted-Average
Exercise Price
Outstanding at May 1, 2025
637,539 $125.72 
Exercised— — 
Cancelled(32,209)128.79 
Outstanding at April 30, 2026
605,330 $125.56 
Exercisable at April 30, 2026
585,033 $124.60 
Summary of restricted shares, deferred shares, deferred stock units, and performance units The following table is a summary of our restricted shares, deferred stock units, and performance units.
Restricted Shares
and Deferred
Stock Units
Weighted-Average
Grant Date Fair Value Per Share
Performance
Units
Weighted-Average
Grant Date Fair Value Per Share
Outstanding at May 1, 2025
324,421 $124.16 354,106 $132.51 
Granted289,730 102.68 172,132 96.91 
Vested(168,687)123.23 (84,665)133.01 
Forfeited(69,955)112.34 (48,099)118.47 
Outstanding at April 30, 2026
375,509 $110.21 393,474 $118.62 
Weighted-average grant date fair values of the equity awards
The following table summarizes the weighted-average fair values of the equity awards granted.
Year Ended April 30,Restricted Shares
and Deferred
Stock Units
Weighted-Average
Grant Date Fair Value Per Share
Performance
Units
Weighted-Average
Grant Date Fair Value Per Share
2026289,730 $102.68 172,132 $96.91 
2025186,895 111.44 157,329 117.74 
2024155,354 143.60 117,312 153.20