XML 71 R59.htm IDEA: XBRL DOCUMENT v3.21.2
STOCK PLANS - Schedule of Stock Based Compensation Activity (Details)
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Number of Options  
Outstanding beginning of period (in shares) | shares 6,235,118
Granted (in shares) | shares 769,352
Exercised (in shares) | shares (553,023)
Forfeited (in shares) | shares (238,865)
Expired (in shares) | shares (42,416)
Outstanding end of period (in shares) | shares 6,170,166
Weighted Average Exercise Price  
Outstanding beginning of period (in dollars per share) | $ / shares $ 45.98
Granted (in dollars per share) | $ / shares 61.33
Exercised (in dollars per share) | $ / shares 34.43
Forfeited (in dollars per share) | $ / shares 46.19
Expired (in dollars per share) | $ / shares 76.62
Outstanding at end of period (in dollars per share) | $ / shares $ 48.71
Restricted Stock Units (RSUs)  
Number of Units  
Unvested at beginning of period (shares) | shares 957,453
Granted (shares) | shares 401,845
Vested (shares) | shares (302,228)
Forfeited (shares) | shares (114,562)
Unvested at end of period (shares) | shares 942,508
Weighted Average Grant Date Fair Value  
Unvested at beginning of period (usd per share) | $ / shares $ 46.34
Granted (usd per share) | $ / shares 61.53
Vested (usd per share) | $ / shares 44.87
Forfeited (usd per share) | $ / shares 49.95
Unvested at end of period (usd per share) | $ / shares $ 52.85