v3.26.1
Capital Stock and Stock-Based Awards - Schedule of Stock Unit and Restricted Stock Unit activity (Details) - Restricted Stock Units (RSUs) - $ / shares
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Restricted stock units and MSPP RSUs      
Granted (in shares) 413,736 410,392 177,867
Management Stock Purchase Plan      
Restricted stock units and MSPP RSUs      
Nonvested, beginning balance (in shares) 589,226    
Granted (in shares) 421,726    
Vested (in shares) (265,217)    
Forfeited (in shares) (69,682)    
Nonvested ending balance (in shares) 676,053 589,226  
Weighted Average grant date fair value      
Nonvested, beginning balance (in dollars per share) $ 31.14    
Granted (in dollars per share) 18.40    
Vested (in dollars per share) 31.11    
Forfeited (in dollars per share) 29.85    
Nonvested, ending balance (in dollars per share) $ 27.82 $ 31.14