Derivative Financial Instruments and Hedging Activities - Schedule of Fair Value of Derivative Instruments (Detail) - USD ($) $ in Thousands	May 31, 2022	May 31, 2021
Derivative [Line Items]
Asset Derivatives at Fair Value	$ 12,643	$ 78,148
Liability Derivatives at Fair Value	9,003	15,197
Derivatives Designated As Hedging Instruments
Derivative [Line Items]
Asset Derivatives at Fair Value	1,040	53,148
Liability Derivatives at Fair Value	4,582	111
Derivatives Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Asset Derivatives at Fair Value	1,040
Liability Derivatives at Fair Value	4,565
Derivatives Designated As Hedging Instruments | Commodity Contracts | Other Liabilities
Derivative [Line Items]
Liability Derivatives at Fair Value	48	111
Derivatives Designated As Hedging Instruments | Commodity Contracts | Receivables
Derivative [Line Items]
Asset Derivatives at Fair Value	1,040	53,125
Derivatives Designated As Hedging Instruments | Commodity Contracts | Other Assets
Derivative [Line Items]
Asset Derivatives at Fair Value		23
Derivatives Designated As Hedging Instruments | Foreign Currency Exchange Contracts
Derivative [Line Items]
Liability Derivatives at Fair Value	17
Derivatives Designated As Hedging Instruments | Foreign Currency Exchange Contracts | Other Liabilities
Derivative [Line Items]
Liability Derivatives at Fair Value	17
Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Asset Derivatives at Fair Value	11,603	25,000
Liability Derivatives at Fair Value	4,421	15,086
Derivatives Not Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Asset Derivatives at Fair Value	11,603	25,000
Liability Derivatives at Fair Value	4,166	14,554
Derivatives Not Designated As Hedging Instruments | Commodity Contracts | Other Liabilities
Derivative [Line Items]
Liability Derivatives at Fair Value	24
Derivatives Not Designated As Hedging Instruments | Commodity Contracts | Receivables
Derivative [Line Items]
Asset Derivatives at Fair Value	11,555	24,621
Derivatives Not Designated As Hedging Instruments | Commodity Contracts | Other Assets
Derivative [Line Items]
Asset Derivatives at Fair Value	48	379
Accounts Payable | Derivatives Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Liability Derivatives at Fair Value	4,517
Accounts Payable | Derivatives Not Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Liability Derivatives at Fair Value	4,142	14,554
Accounts Payable | Derivatives Not Designated As Hedging Instruments | Foreign Currency Exchange Contracts
Derivative [Line Items]
Liability Derivatives at Fair Value	$ 255	$ 532