Accounts Receivable - Trade Accounts And Notes Receivable (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Apr. 30, 2021
Receivables [Abstract]
Trade receivables	$ 614,309	$ 488,002
Other receivables	125,337	76,941
Allowance for expected credit losses	(3,403)	(3,254)
Other allowances	(3,971)	(3,028)
Trade accounts and notes receivable	$ 732,272	$ 558,661