Derivative Financial Instruments and Hedging Activities - Schedule of Derivatives Designated as Cash Flow Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (2.8)	$ 13.0	$ (5.3)	$ 11.4
Gain (Loss) Reclassified from AOCI into Net Earnings	$ (2.7)	$ (0.8)	$ (5.3)	$ 7.2
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent	Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent	Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent	Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent
Commodity Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (2.7)	$ 13.0	$ (5.1)	$ 11.4
Gain (Loss) Reclassified from AOCI into Net Earnings	(2.6)	$ (0.8)	(5.2)	$ 7.2
Foreign Currency Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(0.1)		(0.2)
Gain (Loss) Reclassified from AOCI into Net Earnings	$ (0.1)		$ (0.1)