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, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022	May 31, 2023
Derivative [Line Items]
Notional Amount	$ 0.3	$ 0.2	$ 0.8	$ (3.8)
Commodity Contracts | Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Notional Amount			$ 13.2		$ 2.4
Commodity Contracts | Minimum | Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Maturity Date			Dec. 31, 2023		Jun. 30, 2023
Commodity Contracts | Maximum | Derivatives Not Designated As Hedging Instruments
Derivative [Line Items]
Maturity Date			Dec. 31, 2024		Dec. 31, 2024
Cash Flow Hedges | Commodity Contracts
Derivative [Line Items]
Notional Amount	$ 45.4		$ 45.4		$ 53.0
Cash Flow Hedges | Commodity Contracts | Minimum
Derivative [Line Items]
Maturity Date			Dec. 31, 2023		Jun. 30, 2023
Cash Flow Hedges | Commodity Contracts | Maximum
Derivative [Line Items]
Maturity Date			Oct. 31, 2025		Sep. 30, 2024