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Exchangeable Shares (Details) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Apr. 30, 2024
Schedule of Equity Method Investments [Line Items]        
Net gain (loss) in connection with exchangeable shares $ 0.0 $ 7.2 $ 0.0  
Canopy        
Schedule of Equity Method Investments [Line Items]        
Interest in Canopy (in shares) 26.3      
Exchangeable shares, carrying value       $ 97.3
Exchangeable shares, fair value $ 21.2      
Net gain (loss) in connection with exchangeable shares $ (76.1)      
Canopy | Conversion and Exchange to Exchangeable Shares        
Schedule of Equity Method Investments [Line Items]        
Net gain (loss) in connection with exchangeable shares   $ 83.3