Share-Based Payments (Details) - Employee Stock Option [Member]	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility (%)	25.00%	25.00%	24.00%
Dividend yield (%)	2.70%	3.10%	2.70%
Risk-free interest rate (%)	3.90%	3.60%	1.00%
Expected life of stock options (years)	6 years	6 years	6 years