Restructuring Charges, Net - Changes In Restructuring Liability (Detail) - USD ($)	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Restructuring Reserve [Roll Forward]
Restructuring charges, net	$ 68,558,000	$ 42,573,000	$ 0
Severance | The "Plan"
Restructuring Reserve [Roll Forward]
Restructuring liability, beginning balance	8,004,000	1,502,000	6,985,000
Restructuring charges, net	68,558,000	42,573,000	0
Reductions for cash payments	(57,636,000)	(24,485,000)	(4,829,000)
Non-cash payments	(15,421,000)	(10,827,000)
Exchange rate fluctuations	399,000	(759,000)	(654,000)
Restructuring liability, ending balance	$ 3,904,000	$ 8,004,000	$ 1,502,000