Restructuring Charges (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ (198)	$ 1,525	$ 183
Employee Severance and Separation
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ (200)