XML 104 R84.htm IDEA: XBRL DOCUMENT v3.24.2
Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
May 31, 2024
May 31, 2023
May 31, 2022
Aug. 02, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average fair value of stock options granted (in dollars per share) $ 191.15 $ 136.64 $ 100.07  
Intrinsic value of options exercised $ 359.8 $ 302.9 $ 348.3  
Proceeds from stock options exercised 1.4 3.0 117.7  
Fair value of vested stock options 34.3 37.9 36.7  
Aggregate intrinsic value of outstanding options 1,278.4      
Aggregate intrinsic value of exercisable options $ 682.5      
Weighted-average remaining contractual term of stock options exercisable 3 years 9 months 18 days      
Unrecognized compensation cost related to unvested stock options and restricted stock $ 310.4      
Weighted-average period of time unrecognized compensation cost will be recognized 2 years 2 months 12 days      
Stock Compensation Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized under plan (in shares)       12,500,000
Shares reserved for future issuance (in shares) 4,982,123      
Share-based compensation $ 117.0 103.6 109.3  
The total income tax benefit recognized in the consolidated income statement for share-based compensation arrangements $ 29.8 $ 26.4 $ 27.9  
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum term after grant options may be exercised 10 years      
Award expiration term 10 years      
Stock Options | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options vesting period 3 years      
Stock Options | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options vesting period 5 years      
Restricted Stock Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of awards 3 years