Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.5.0.2
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2016
Share-based Compensation [Abstract]  
Schedule Of Stock-Based Compensation Expense
Stock-based compensation expense consisted of the following (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Stock options
$
1,008

 
$
898

 
$
2,989

 
$
2,727

Restricted stock units
1,993

 
1,894

 
5,465

 
6,004

Total
$
3,001

 
$
2,792

 
$
8,454

 
$
8,731

Schedule Of Weighted Average Assumptions For Employee Stock Options
The following table presents the weighted average assumptions for stock options granted in the periods:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Expected option term
4.37 years
 
4.37 years
 
4.63 years
 
4.60 years
Expected stock price volatility
29.34%
 
29.37%
 
29.80%
 
26.56%
Risk-free interest rate
0.94%
 
1.27%
 
1.17%
 
1.20%
Expected annual dividend yield
1.17%
 
0.84%
 
1.20%
 
1.26%
Weighted average grant date fair value
$13.12
 
$17.12
 
$13.38
 
$10.36
Schedule Of Weighted Average Assumptions For Restricted Stock Units
The following table presents the weighted average assumptions for restricted stock units granted in the periods:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Vesting period
4.01 years
 
4.00 years
 
3.83 years
 
3.82 years
Expected annual dividend yield
1.17%
 
0.93%
 
1.16%
 
1.14%
Estimated average grant date fair value per restricted stock unit
$55.43
 
$62.53
 
$55.94
 
$51.09