Annual report pursuant to Section 13 and 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
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, losses $ 136.1 $ 1,060.3 $ 0.0
Long-lived assets, total losses 0.0 0.0 665.9
Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, losses 136.1 1,060.3  
Long-lived assets, total losses   53.5 665.9
Asset impairment, Total Losses   1,126.8  
Nonrecurring | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, total losses   13.0  
Nonrecurring | Quoted Prices in Active Markets (Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, fair value 56.1 398.4  
Long-lived assets, estimated fair value   0.0 0.0
Assets, fair value   398.4  
Nonrecurring | Quoted Prices in Active Markets (Level 1) | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   0.0  
Nonrecurring | Significant Other Observable Inputs (Level 2)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, fair value 0.6 0.0  
Long-lived assets, estimated fair value   0.0 0.0
Assets, fair value   0.0  
Nonrecurring | Significant Other Observable Inputs (Level 2) | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   0.0  
Nonrecurring | Significant Unobservable Inputs (Level 3)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity method investments, fair value $ 0.6 0.0  
Long-lived assets, estimated fair value   6.3 $ 20.0
Assets, fair value   6.3  
Nonrecurring | Significant Unobservable Inputs (Level 3) | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   $ 0.0