Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Finance lease cost
Amortization of ROU assets	$ 384	$ 366	$ 1,234	$ 1,104
Interest on lease liabilities	53	47	161	141
Finance lease cost	437	413	1,395	1,245
Operating lease cost	12,013	12,339	35,099	36,957
Short-term lease cost	178	183	669	616
Variable lease cost	3,371	3,300	10,286	7,538
Lease impairment cost	0	5,471	1,629	5,471
Sublease income	(1,096)	(1,019)	(3,210)	(2,264)
Total lease cost	$ 14,903	$ 20,687	$ 45,868	$ 49,563