Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Cash Flow Hedging
Change In Pension Benefits And Derivative Hedging Activities [Line Items]
Other comprehensive income, deferred tax	$ (335)	$ 1,783	$ (24)	$ 1,350