Leases - Other Information (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Apr. 30, 2022
Finance leases included in property and equipment
Property and equipment	$ 202,254	$ 193,380
Accumulated depreciation	(58,974)	(57,363)
Property and equipment, net	$ 143,280	$ 136,017
Finance lease, right-of-use asset, balance sheet location [Extensible List]	Property and equipment, net of accumulated depreciation of $237,746 and $227,288, respectively	Property and equipment, net of accumulated depreciation of $237,746 and $227,288, respectively
Weighted-average remaining lease term (years)
Operating leases	4 years 8 months 12 days	4 years 7 months 6 days
Finance leases	3 years 7 months 6 days	3 years 8 months 12 days
Weighted-average discount rate
Operating leases	4.60%	4.70%
Finance leases	4.20%	4.20%