Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2023
Aug. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Equity method investments, total losses $ 12.3 $ 1,060.3 $ 135.8 $ 1,060.3
Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Equity method investments, total losses     135.8 1,060.3
Nonrecurring | Quoted Prices in Active Markets (Level 1)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Equity method investments 97.8 634.8 97.8 634.8
Nonrecurring | Significant Other Observable Inputs (Level 2)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Equity method investments 2.6 0.0 2.6 0.0
Nonrecurring | Significant Unobservable Inputs (Level 3)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Equity method investments $ 0.0 $ 0.0 $ 0.0 $ 0.0