Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.1
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 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
  March 31,
  2021 2020
(in thousands)
Stock-based compensation expense $ 14,013  $ 13,765 
Tax effect on stock-based compensation expense (3,573) (3,510)
Net effect on income $ 10,440  $ 10,255 
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 
Granted —  — 
Exercised (27,043) 19.32   
Forfeited —  —   
Outstanding as of March 31, 2021
 410,997  37.40  4.0 14,318 
Options exercisable 370,818  $ 36.14  3.6 $ 13,384 
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 1,092,243  70.34  89,497  70.33 
Vested (428,049) 70.26  (27,300) 61.54 
Forfeited (51,258) 69.20  —  — 
Outstanding as of March 31, 2021
 1,958,283  70.54  364,994  72.79