Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.25.1
Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2025
Feb. 29, 2024
Feb. 28, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Goodwill impairment, total losses $ 2,740.7    
Assets held for sale impairment 478.0 $ 0.0 $ 0.0
Equity method investments, losses 8.7 136.1 1,060.3
Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Goodwill impairment, total losses 2,740.7    
Assets held for sale impairment 478.0    
Equity method investments, losses 8.7 136.1 1,060.3
Long-lived assets, total losses     53.5
Asset impairment, total losses 3,284.4   1,126.8
Nonrecurring | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, total losses 57.0   13.0
Nonrecurring | Quoted Prices in Active Markets (Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Goodwill 0.0    
Assets held for sale, estimated fair value 0.0    
Equity method investments, fair value 0.0 56.1 398.4
Long-lived assets, estimated fair value     0.0
Assets, fair value 0.0   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, 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    
Assets held for sale, estimated fair value 879.8    
Equity method investments, fair value 0.0 0.6 0.0
Long-lived assets, estimated fair value     0.0
Assets, fair value 879.8   0.0
Nonrecurring | Significant Other Observable Inputs (Level 2) | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, 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 0.0    
Assets held for sale, estimated fair value 0.0    
Equity method investments, fair value 0.0 $ 0.6 0.0
Long-lived assets, estimated fair value     6.3
Assets, fair value 125.8   6.3
Nonrecurring | Significant Unobservable Inputs (Level 3) | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, fair value $ 125.8   $ 0.0