Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Financials Designated as Cash Flow Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (14,207)	$ 35,220
Gain (Loss) Reclassified from AOCI into Net Earnings	2,890	35,419
Commodity Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(14,045)	35,220
Gain (Loss) Reclassified from AOCI into Net Earnings	2,869	35,459
Interest Rate Contract
Derivative [Line Items]
Gain (Loss) Reclassified from AOCI into Net Earnings	(7)	$ (40)
Foreign Currency Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(162)
Gain (Loss) Reclassified from AOCI into Net Earnings	$ 28