Restructuring Charges, Net - Summary of Changes in Restructuring Liability (Details) - USD ($)	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Restructuring Reserve [Roll Forward]
Restructuring liability, beginning balance	$ 8,004,000
Restructuring charges, net	421,000	$ 0
Reductions for cash payments	(4,109,000)
Exchange rate fluctuations	(16,000)
Restructuring liability, ending balance	$ 4,300,000