Accounts Receivable - Trade Accounts And Notes Receivable (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Apr. 30, 2021
Receivables [Abstract]
Trade receivables	$ 604,321	$ 488,002
Other receivables	105,617	76,941
Allowance for expected credit losses	(5,424)	(3,254)
Other allowances	(4,259)	(3,028)
Trade accounts and notes receivable	$ 700,255	$ 558,661