XML 35 R21.htm IDEA: XBRL DOCUMENT v3.5.0.2
Share Based Compensation (Tables)
9 Months Ended
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Weighted Average Fair Value and Assumptions
The estimated fair value of our 2016 stock option awards and related underlying assumptions are shown in the table below.
 
2016
Estimated fair value
$
13.86

Quarterly dividend rate
$
0.40

Expected term of stock option awards, in years
4.7

Risk-free interest rate
1.4
%
Dividend yield
4.1
%
Expected stock price volatility
29.4
%
Present value of dividends
$
7.27