Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details)

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Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2024
Aug. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Goodwill impairment, total losses $ 2,250.0 $ 0.0 $ 2,250.0 $ 0.0
Equity method investments, total losses 2.1 12.3 2.1 135.8
Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Goodwill impairment, total losses     2,250.0  
Equity method investments, total losses     2.1 135.8
Asset impairment charges     2,252.1  
Nonrecurring | Quoted Prices in Active Markets (Level 1)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Goodwill 0.0   0.0  
Equity method investments 0.0 97.8 0.0 97.8
Assets at fair value 0.0   0.0  
Nonrecurring | Significant Other Observable Inputs (Level 2)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Goodwill 0.0   0.0  
Equity method investments 0.0 2.6 0.0 2.6
Assets at fair value 0.0   0.0  
Nonrecurring | Significant Unobservable Inputs (Level 3)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Goodwill 564.8   564.8  
Equity method investments 0.0 $ 0.0 0.0 $ 0.0
Assets at fair value $ 564.8   $ 564.8