Summary of Activity for Allowance for Credit Losses (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Accounts receivable, allowance for credit loss [Roll Forward]
Beginning balance	$ 55,922
Bad debt provision	4,326	$ 10,000	$ 16,700
Uncollectible accounts written off, net of recoveries	(10,797)
Translation adjustments	(2,782)
Ending balance	$ 46,669	$ 55,922