Derivative Financial Instruments and Hedging Activities - Schedule of Gain (Loss) Recognized in Earnings for Economic (Non-Designated) Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021
Derivative [Line Items]
Gain (Loss) Recognized in Earnings	$ 13,669	$ 46,781
Commodity Contracts | Cost of Sales
Derivative [Line Items]
Gain (Loss) Recognized in Earnings	13,935	47,546
Foreign Currency Exchange Contracts | Miscellaneous Income, Net
Derivative [Line Items]
Gain (Loss) Recognized in Earnings	(266)	$ (765)
Derivatives Not Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Gain (Loss) Recognized in Earnings	52,526
Derivatives Not Designated As Hedging Instruments | Foreign Currency Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in Earnings	$ 4,978