Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.5.0.2
Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 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 June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Stock options
$
1,009

 
$
913

 
$
1,981

 
$
1,829

Restricted stock units
1,371

 
2,080

 
3,472

 
4,110

Total
$
2,380

 
$
2,993

 
$
5,453

 
$
5,939

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 June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Expected option term
7.73 years
 
7.46 years
 
4.63 years
 
4.60 years
Expected stock price volatility
30.95%
 
29.54%
 
29.80%
 
26.53%
Risk-free interest rate
1.47%
 
1.95%
 
1.17%
 
1.20%
Expected annual dividend yield
1.21%
 
1.04%
 
1.20%
 
1.26%
Weighted average grant date fair value
$17.47
 
$17.81
 
$13.39
 
$10.31
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 June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Vesting period
2.80 years
 
2.65 years
 
3.83 years
 
3.82 years
Expected annual dividend yield
1.20%
 
1.05%
 
1.16%
 
1.14%
Estimated average grant date fair value per restricted stock unit
$54.80
 
$55.80
 
$55.94
 
$51.01