Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2014
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,
 
 
2014
 
2013
 
2014
 
2013
Stock options
 
$
862

 
$
883

 
$
1,743

 
$
1,710

Restricted stock units
 
1,769

 
1,449

 
3,465

 
2,572

Total
 
$
2,631

 
$
2,332

 
$
5,208

 
$
4,282

Schedule Of Weighted Average Assumptions
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,
 
2014
 
2013
 
2014
 
2013
Expected option term
7.82 years
 
7.02 years
 
4.71 years
 
4.72 years
Expected stock price volatility
28.63%
 
28.54%
 
27.67%
 
30.80%
Risk-free interest rate
2.29%
 
1.55%
 
1.21%
 
0.69%
Expected annual dividend yield
1.33%
 
1.44%
 
1.33%
 
1.63%
Weighted average grant date fair value
$25.54
 
$16.45
 
$17.52
 
$12.31
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,
 
2014
 
2013
 
2014
 
2013
Vesting period
3.56 years
 
3.07 years
 
3.83 years
 
3.93 years
Expected annual dividend yield
1.34%
 
1.44%
 
1.33%
 
1.60%
Estimated average grant date fair value per restricted stock unit
$79.82
 
$58.67
 
$78.16
 
$51.78