v3.26.3
Capital Stock - Changes in Issued and Outstanding Common Shares (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Common Stock [Roll Forward]        
Capital stock outstanding, Shares, Beginning Balance     587,431,120  
Stock Repurchased During Period, Shares     (2,600,000)  
Capital stock outstanding, Shares, Ending Balance 587,032,279   587,032,279  
Common Stock, Amount [Roll Forward]        
Stock-based compensation $ 7.5 $ 5.9 $ 14.0 $ 11.6
Employee share purchase plan     $ 1.3 1.2
Capital Stock and Additional Paid-in Capital        
Common Stock [Roll Forward]        
Capital stock outstanding, Shares, Beginning Balance     587,431,000  
Common shares issued for restricted share unit settlements     1,788,000  
Common shares issued for employee share purchase plan     400,000  
Stock Repurchased During Period, Shares     (2,587,000)  
Capital stock outstanding, Shares, Ending Balance 587,032,000   587,032,000  
Common Stock, Amount [Roll Forward]        
Common Stock, Value, Outstanding     $ 2,924.4  
Stock-based compensation $ 7.5 $ 5.9 14.0 11.6
Employee share purchase plan     1.3 $ 1.2
Treasury stock - shares repurchase     (12.9)  
Common Stock, Value, Outstanding $ 2,926.8   $ 2,926.8