XML 112 R96.htm IDEA: XBRL DOCUMENT v3.22.4
Note 17 - Share Plans - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Outstanding, number of options (in shares) 1,342,131 1,528,690 1,592,686  
Outstanding, weighted average exercise price (in dollars per share) $ 64.29 $ 49.08 $ 42.04  
Outstanding, weighted average remaining contractual term (Year) 4 years 10 months 24 days 5 years 6 months 6 years 3 months 18 days 6 years 10 months 24 days
Outstanding, aggregate intrinsic value $ 47,764 $ 386,069 $ 272,553 $ 93,242
Granted, number of options (in shares) 109,266 70,392 173,650  
Granted, weighted average exercise price (in dollars per share) $ 282.20 $ 335.70 $ 102.32  
Exercised, number of options (in shares) (137,305) (229,921) (216,196)  
Exercised, weighted average exercise price (in dollars per share) $ 36.91 $ 45.95 $ 39.88  
Forfeited, number of options (in shares) (45,688) (27,030) (21,450)  
Forfeited, weighted average exercise price (in dollars per share) $ 194.05 $ 63.27 $ 50.25  
Outstanding, number of options (in shares) 1,268,404 1,342,131 1,528,690 1,592,686
Outstanding, weighted average exercise price (in dollars per share) $ 81.35 $ 64.29 $ 49.08 $ 42.04
Exercisable, number of options (in shares) 982,934      
Exercisable, weighted average exercise price (in dollars per share) $ 50.86