Derivative Instruments and Hedging Activities - Schedule of Derivatives Designated as Cash Flow Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (2,531)	$ 37,380	$ 11,747	$ 54,143
Gain (Loss) Reclassified from AOCI into Net Earnings	23,997	1,582	107,152	(4,445)
Commodity Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(2,460)	37,380	11,758	54,143
Commodity Contracts | Cost of Sales
Derivative [Line Items]
Gain (Loss) Reclassified from AOCI into Net Earnings	24,025	2,217	107,190	(3,113)
Interest Rate Contract | Interest Expense
Derivative [Line Items]
Gain (Loss) Reclassified from AOCI into Net Earnings	(7)	$ (635)	(20)	$ (1,332)
Foreign Currency Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(71)		(11)
Foreign Currency Exchange Contracts | Miscellaneous Income Net
Derivative [Line Items]
Gain (Loss) Reclassified from AOCI into Net Earnings	$ (21)		$ (18)