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Earnings Per Share (Narrative) (Details) - USD ($)	12 Months Ended
Earnings Per Share (Narrative) (Details) - USD ($)	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023	Nov. 20, 2024	Nov. 29, 2023
Equity, Class of Treasury Stock [Line Items]
Potentially dilutive shares	0	0	0
Treasury Stock, Shares, Acquired	1,169,710	1,108,715	0
Payments for Repurchase of Common Stock	$ 96,711,000	$ 87,652,000	$ 0
Share Repurchase Program 2023
Equity, Class of Treasury Stock [Line Items]
Share Repurchase Program, Authorized, Amount					$ 125,000,000
Share Repurchase Program, Remaining Authorized, Amount	$ 117,800,000
Share Repurchase Program 2024
Equity, Class of Treasury Stock [Line Items]
Share Repurchase Program, Authorized, Amount				$ 125,000,000