Derivative Financial Instruments and Hedging Activities - Schedule of Fair Value of Derivative Instruments (Detail) - USD ($) $ in Thousands	May 31, 2024	May 31, 2023
Derivative [Line Items]
Derivatives, Fair Value of Assets	$ 920	$ 314
Derivatives, Fair Value of Liabilities	1,421	5,948
Derivatives Designated As Hedging Instruments
Derivative [Line Items]
Derivatives, Fair Value of Assets	601	20
Derivatives, Fair Value of Liabilities	104	4,339
Derivatives Designated As Hedging Instruments | Commodity Contracts | Other Liabilities
Derivative [Line Items]
Derivatives, Fair Value of Liabilities	21	237
Derivatives Designated As Hedging Instruments | Commodity Contracts | Receivables
Derivative [Line Items]
Derivatives, Fair Value of Assets	601	20
Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Derivatives, Fair Value of Assets	319	294
Derivatives, Fair Value of Liabilities	1,317	1,609
Derivatives Not Designated As Hedging Instruments | Commodity Contracts | Receivables
Derivative [Line Items]
Derivatives, Fair Value of Assets	319	294
Accounts Payable | Derivatives Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Derivatives, Fair Value of Liabilities	83	4,069
Accounts Payable | Derivatives Designated As Hedging Instruments | Foreign Currency Exchange Contracts
Derivative [Line Items]
Derivatives, Fair Value of Liabilities		33
Accounts Payable | Derivatives Not Designated As Hedging Instruments | Commodity Contracts
Derivative [Line Items]
Derivatives, Fair Value of Liabilities	69	$ 1,609
Accounts Payable | Derivatives Not Designated As Hedging Instruments | Foreign Currency Exchange Contracts
Derivative [Line Items]
Derivatives, Fair Value of Liabilities	$ 1,248