Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 661,069	$ 577,967
Less: accumulated depreciation and amortization	264,650	227,288
Total property and equipment, net of accumulated depreciation	396,419	350,679
Depreciation expense	61,177	55,437	$ 50,480
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	62,080	62,185
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	141,341	130,824
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	451,363	381,090
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 6,285	$ 3,868