XML 58 R45.htm IDEA: XBRL DOCUMENT v3.19.2
Note 6 - Stock-based Compensation - Stock Option and Non-vested Stock Award Activity (Details)
shares in Thousands
 3 Months Ended
Jun. 30, 2019
$ / shares
shares
Options outstanding (in shares) | shares 354
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 94.04
Non-vested stock awards outstanding (in shares) | shares 31
Non-vested stock awards outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 162.23
Options granted (in shares) | shares 29
Options granted, weighted average exercise price (in dollars per share) | $ / shares $ 205.46
Non-vested stock awards granted (in shares) | shares 19
Non-vested stock awards granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 201.88
Options forfeited or expired (in shares) | shares (19)
Options forfeited or expired, weighted average exercise price (in dollars per share) | $ / shares $ 98.04
Non-vested stock awards forfeited (in shares) | shares (1)
Non-vested stock awards forfeited, weighted average grant date fair value (in dollars per share) | $ / shares $ 149.14
Awards exercised or distributed (in shares) | shares (31)
Options exercised, weighted average exercise price (in dollars per share) | $ / shares $ 87.54
Non-vested stock awards vested (in shares) | shares (2)
Non-vested stock awards vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 142.72
Options outstanding (in shares) | shares 333
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 103.94
Non-vested stock awards outstanding (in shares) | shares 47
Non-vested stock awards outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 179.33