v3.26.1
Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
May 31, 2026
May 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 76.8  
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 130.8 $ 5.6
Liabilities 6.1 3.7
Fair Value, Measurements, Recurring | Derivative Instruments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 8.6 [1] 5.6 [2]
Liabilities 6.1 [1] 3.7 [2]
Fair Value, Measurements, Recurring | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets [3] 122.2  
Fair Value, Measurements, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 122.2 0.0
Liabilities 0.0 0.0
Fair Value, Measurements, Recurring | Level 1 | Derivative Instruments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 0.0 [1] 0.0 [2]
Liabilities 0.0 [1] 0.0 [2]
Fair Value, Measurements, Recurring | Level 1 | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets [3] 122.2  
Fair Value, Measurements, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 8.6 5.6
Liabilities 6.1 3.7
Fair Value, Measurements, Recurring | Level 2 | Derivative Instruments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 8.6 [1] 5.6 [2]
Liabilities 6.1 [1] 3.7 [2]
Fair Value, Measurements, Recurring | Level 2 | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets [3] 0.0  
Fair Value, Measurements, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 0.0 0.0
Liabilities 0.0 0.0
Fair Value, Measurements, Recurring | Level 3 | Derivative Instruments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 0.0 [1] 0.0 [2]
Liabilities 0.0 [1] $ 0.0 [2]
Fair Value, Measurements, Recurring | Level 3 | Equity Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets [3] $ 0.0  
[1] The fair value of the Company’s derivative financial instruments was based on the present value of the expected future cash flows considering the risks involved, including non-performance risk, and using discount rates appropriate for the respective maturities. Market observable, Level 2 inputs are used to determine the present value of the expected future cash flows. Refer to “Note 16 – Derivative Financial Instruments and Hedging Activities” for additional information regarding the use of derivative financial instruments.
[2] The fair value of the Company’s derivative financial instruments was based on the present value of the expected future cash flows considering the risks involved, including non-performance risk, and using discount rates appropriate for the respective maturities. Market observable, Level 2 inputs are used to determine the present value of the expected future cash flows. Refer to “Note 16 – Derivative Financial Instruments and Hedging Activities” for additional information regarding the use of derivative financial instruments.
[3] The fair value of the Company’s equity securities instruments is based upon quoted market prices in active markets.