Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans (RSU Activity) (Details)

v3.23.2
Stock-Based Compensation Plans (RSU Activity) (Details) - $ / shares
shares in Millions
12 Months Ended
May 31, 2023
May 31, 2022
May 31, 2021
Time-Based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested, Beginning balance 1.3    
Awards granted [1] 0.6    
Vested (0.4)    
Forfeited (0.1)    
Nonvested, Ending balance 1.4 1.3  
Nonvested, Beginning balance, Weighted-average grant-date fair value per share $ 80.60    
Granted, Weighted-average grant-date fair value per share 127.75 [1] $ 109.81 $ 67.92
Vested, Weighted-average grant-date fair value per share 73.88    
Forfeited, Weighted-average grant-date fair value per share 99.79    
Nonvested, Ending balance, Weighted-average grant-date fair value per share $ 102.13 $ 80.60  
Performance-Based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested, Beginning balance 0.1    
Awards granted [1] 0.1    
Vested (0.1)    
Forfeited (0.0)    
Nonvested, Ending balance 0.1 0.1  
Nonvested, Beginning balance, Weighted-average grant-date fair value per share $ 92.33    
Granted, Weighted-average grant-date fair value per share [2] 108.31 [1] $ 103.59 $ 0
Vested, Weighted-average grant-date fair value per share 80.59    
Forfeited, Weighted-average grant-date fair value per share 108.86    
Nonvested, Ending balance, Weighted-average grant-date fair value per share $ 107.88 $ 92.33  
[1] For performance-based RSUs, granted number assumes achievement of performance goals at target. Actual number of shares to be earned may differ from this amount.
[2] No performance-based RSUs were granted during fiscal 2021.