Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.2
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense
Stock-based compensation expense under the Company’s plans was as follows:
  Three Months Ended Nine Months Ended
  September 30, September 30,
  2021 2020 2021 2020
(in thousands)
Stock-based compensation expense $ 18,512  $ 15,729  $ 49,934  $ 42,500 
Tax effect on stock-based compensation expense (4,720) (4,011) (12,733) (10,837)
Net effect on income $ 13,792  $ 11,718  $ 37,201  $ 31,663 
Summary of option activity under the company's plans The following table summarizes option activity under the Company’s plans:
      Weighted-Average  
    Weighted- Remaining  
    Average Contractual Life Aggregate
  Options Exercise Price (Years) Intrinsic Value
(in thousands)
Outstanding as of December 31, 2020 438,040  $ 36.28  4.1 $ 20,156 
Exercised (44,079) 20.87   
Forfeited (1,277) 49.02   
Outstanding as of September 30, 2021
 392,684  37.97  3.6 16,601 
Options exercisable 353,781  $ 36.75  3.2 $ 15,384 
Summary of the activity for unvested restricted stock units and awards granted under the Company's plans
The following is a summary of the activity for unvested restricted stock units and performance stock units granted under the Company’s plans:
RSUs PSUs
  Number of
Shares		 Weighted-
Average Grant
Date Fair Value
per Share		 Number of
Shares		 Weighted-
Average Grant
Date Fair Value
per Share
Outstanding as of December 31, 2020
 1,345,347  $ 70.56  302,797  $ 72.50 
Granted 1,140,358  70.43  119,699  69.66 
Vested (696,906) 69.58  (62,524) 61.53 
Forfeited (170,011) 70.57  (10,954) 78.97 
Outstanding as of September 30, 2021
 1,618,788  70.89  349,018  73.28