XML 75 R66.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 12 - Equity Compensation Plans - Summary of Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Outstanding beginning balance, options (in shares) 5,067,098  
Outstanding beginning balance, options, weighted average exercise price (in dollars per share) $ 115.73  
Outstanding, options, aggregate intrinsic value $ 572.6  
Granted, options (in shares) 653,175  
Granted, options, weighted average exercise price (in dollars per share) $ 196.67  
Dividend reinvestment, options (in shares) 0  
Dividend reinvestment, options, weighted average exercise price (in (in dollars per share) $ 0  
Exercised or lapsed, options (in shares) (1,206,156)  
Exercised or lapsed, options, weighted average exercise price (in dollars per share) $ 92.22  
Exercised or lapsed, options, aggregate intrinsic value $ 110.0  
Canceled, expired or forfeited, option (in shares) (224,492)  
Canceled, expired or forfeited, options, weighted average exercise price (in dollars per share) $ 182.28  
Outstanding, option (in shares) 4,289,625  
Outstanding beginning balance, options, weighted average exercise price (in dollars per share) $ 131.15  
Outstanding, options, aggregate intrinsic value $ 168.9  
Exercisable, options (in shares) 2,919,198 3,173,592
Exercisable, options, weighted average exercise price (in dollars per share) $ 108.37 $ 89.14
Exercisable, options, aggregate intrinsic value $ 181.4 $ 443.0
Nonvested, options (in shares) 1,370,427  
Expected to vest, options (in shares) 1,181,072  
Restricted Stock [Member]    
Outstanding beginning balance, number of shares (in shares) 351,504  
Outstanding beginning balance, weighted average exercise price (in dollars per share) $ 161.33  
Granted, number of shares (in shares) 181,380  
Granted, weighted average exercise price (in dollars per share) $ 195.93  
Dividend reinvestment, number of shares (in shares) 0  
Exercised or lapsed, number of shares (in shares) (197,238)  
Exercised or lapsed, weighted average exercise price (in dollars per share) $ 156.30  
Canceled, expired or forfeited, number of shares (in shares) (33,177)  
Canceled, expired or forfeited, weighted average exercise price (in dollars per share) $ 181.99  
Outstanding ending balance, number of shares (in shares) 302,469  
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 182.89  
Nonvested, number of shares (in shares) 302,469 351,504
Expected, number of shares (in shares) 263,954  
Performance Shares [Member]    
Outstanding beginning balance, number of shares (in shares) 163,123  
Outstanding beginning balance, weighted average exercise price (in dollars per share) $ 192.99  
Granted, number of shares (in shares) 111,333  
Granted, weighted average exercise price (in dollars per share) $ 168.63  
Dividend reinvestment, number of shares (in shares) 1,021  
Exercised or lapsed, number of shares (in shares) (54,927)  
Exercised or lapsed, weighted average exercise price (in dollars per share) $ 174.42  
Canceled, expired or forfeited, number of shares (in shares) (21,406)  
Outstanding ending balance, number of shares (in shares) 199,144  
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 195.31  
Nonvested, number of shares (in shares) 199,144 163,123
Expected, number of shares (in shares) [1] 153,219  
[1] Includes estimated performance achievement