Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
Finance Leases [Abstract]
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Finance Leases Property And Equipment At Cost	$ 7,017	$ 7,103
Finance Leases Accumulated Depreciation	(3,377)	(2,741)
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total	3,640	4,362
Finance Lease, Liability, Current	1,416	1,372
Finance Lease, Liability, Noncurrent	2,324	3,053
Finance Lease, Liability, Total	$ 3,740	$ 4,425
Weighted Average Remaining Lease Term [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	7 years 1 month 6 days	4 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	3 years 1 month 6 days	3 years 9 months 18 days
Weighted Average Discount Rate [Abstract]
Operating Lease, Weighted Average Discount Rate, Percent	5.90%	4.50%
Finance Lease, Weighted Average Discount Rate, Percent	5.50%	4.70%