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Derivative Financial Instruments and Hedging Activities - Schedule of Summary of Derivative Hedges (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023	May 31, 2024
Derivative [Line Items]
Notional Amount	$ (0.3)	$ 0.3	$ (3.1)	$ 0.8
Commodity Contracts \| Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Notional Amount			$ 11.7		$ 22.4
Commodity Contracts \| Minimum \| Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Maturity Date(s)			Dec. 31, 2024		Jun. 30, 2024
Commodity Contracts \| Maximum \| Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Maturity Date(s)			Jan. 31, 2026		Mar. 31, 2025
Cash Flow Hedges \| Commodity Contracts
Derivative [Line Items]
Notional Amount	(9.4)		$ (9.4)		$ 24.5
Cash Flow Hedges \| Commodity Contracts \| Minimum
Derivative [Line Items]
Maturity Date(s)			Dec. 31, 2024		Jun. 30, 2024
Cash Flow Hedges \| Commodity Contracts \| Maximum
Derivative [Line Items]
Maturity Date(s)			Dec. 31, 2025		Sep. 30, 2025
Cash Flow Hedges \| Foreign Currency Exchange Contracts
Derivative [Line Items]
Notional Amount	$ 6.3		$ 6.3
Cash Flow Hedges \| Foreign Currency Exchange Contracts \| Minimum
Derivative [Line Items]
Maturity Date(s)			Dec. 31, 2024
Cash Flow Hedges \| Foreign Currency Exchange Contracts \| Maximum
Derivative [Line Items]
Maturity Date(s)			Apr. 30, 2025