Restructuring - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Restructuring Reserve [Roll Forward]
Restructuring reserve balance at May 1			$ 434
Expense	$ 1,458	$ 1,133	2,280	$ 1,133
Payments and adjustments			(1,506)
Restructuring reserve balance at October 31	$ 452		452
Employee Severance
Restructuring Reserve [Roll Forward]
Expense			$ 1,524