Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Financials Designated as Cash Flow Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (19,265)	$ (20,942)	$ (36,041)	$ 14,279
Gain (Loss) Reclassified from AOCI into Net Earnings	(13,602)	47,736	(13,279)	83,155
Commodity Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(19,641)	(21,002)	(36,099)	14,218
Gain (Loss) Reclassified from AOCI into Net Earnings	(13,648)	47,706	(13,192)	83,165
Interest Rate Contract
Derivative [Line Items]
Gain (Loss) Reclassified from AOCI into Net Earnings	(7)	27	(13)	(13)
Foreign Currency Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	376	60	58	61
Gain (Loss) Reclassified from AOCI into Net Earnings	$ 53	$ (3)	$ (74)	$ 3