Summary of Trade Accounts Receivable Net of Allowances and Net Contract Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2022	May 31, 2022
Disaggregation Of Revenue [Line Items]
Trade accounts receivable, less allowances	$ 1,407,866	$ 1,432,632
Contract assets	80,155	57,234
Contract liabilities - short-term	(49,850)	(44,938)
Net Contract Assets	30,305	$ 12,296
Change in Contract with Customer, Asset and Liability [Abstract]
Change in trade accounts receivable, less allowances	(24,766)
Change in contract assets	(22,921)
Change in Net Contract Assets (Liabilities)	$ (18,009)
Percentage of change in trade accounts receivable, less allowances	(1.70%)
Percentage of change in contract assets	(40.00%)
Percentage of change in Net Contract Assets/(Liabilities)	(146.50%)
Short-term
Change in Contract with Customer, Asset and Liability [Abstract]
Change in contract liabilities	$ 4,912
Percentage of change in contract liabilities	(10.90%)