XML 49 R22.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Equity Compensation Plans (Tables)
 6 Months Ended
Nov. 30, 2019
Stock Option Activity A summary of stock option activity during the six months ended November 30, 2019 follows:
(Options in thousands)
  
Shares
    
Weighted-
Average
Exercise Price
  
Options outstanding June 1, 2019
   
2,385
    $
49.37
 
Granted
   
561
     
63.91
 
Exercised
   
(493
 )    
39.01
 
Forfeited
   
(51
 )    
56.26
 
                 
Options outstanding November 30, 2019
   
2,402
    $
54.76
 
Fair Value of Stock Options Granted, Estimated using Weighted-Average Assumptions The fair value of stock options granted was estimated using the following weighted-average assumptions. 
 
FY 20
20
 
Risk-free interest rate
   
1.9%
 
Expected dividend yield
   
0.0%
 
Expected stock price volatility
   
29.4%
 
Expected option life
   
3.5
 years