Leases - Other Information (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Finance leases included in property and equipment
Property and equipment	$ 193,380	$ 176,591
Accumulated depreciation	(57,363)	(51,869)
Property and equipment, net	$ 136,017	$ 124,722
Weighted-average remaining lease term (years)
Operating leases	4 years 7 months 6 days	4 years 8 months 12 days
Finance leases	3 years 8 months 12 days	3 years 6 months
Weighted-average discount rate
Operating leases	4.70%	5.50%
Finance leases	4.20%	4.60%