v3.26.1
Derivative Financial Instruments and Hedging Activities - Schedule of Derivatives Designated as Cash Flow and Net Investment Hedges Hedging Instruments (Detail) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Derivative [Line Items]      
Gain (Loss) Recognized in OCI $ 4.7 $ (4.8) $ 1.6
SG&A 297.4 231.6 224.4
Miscellaneous income, net 16.6 3.8 5.3
Net earnings (loss) (12.9) 119.3 170.1
Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Net earnings (loss) 2.5 (7.4) 8.3
Cash Flow Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI 6.5 (4.8) 1.6
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Net earnings (loss) 2.5 (7.4) 8.3
Net Investment Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI (1.8) 0.0 0.0
Net Investment Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Net earnings (loss) 0.0 0.0 0.0
Commodity Contracts | Cash Flow Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI 5.1 (5.0) 1.6
Commodity Contracts | Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Cost of goods sold 1.0 (7.3) 8.3
Foreign Currency Exchange Contracts | Cash Flow Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI 1.3 0.2 0.0
Foreign Currency Exchange Contracts | Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Cost of goods sold 1.2 (0.1) 0.0
Foreign Currency Exchange Contracts | Cash Flow Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI 0.0 0.0 0.0
Foreign Currency Exchange Contracts | Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
SG&A 0.2 0.0 0.0
Interest Rate Contracts | Cash Flow Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI 0.1 0.0 0.0
Interest Rate Contracts | Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Interest expense, net 0.1 0.0 0.0
Cross-currency Swap | Net Investment Hedges      
Derivative [Line Items]      
Gain (Loss) Recognized in OCI (1.8) 0.0 0.0
Cross-currency Swap | Net Investment Hedges | Reclassification out of Accumulated Other Comprehensive Income      
Derivative [Line Items]      
Miscellaneous income, net $ 0.0 $ 0.0 $ 0.0