XML 40 R29.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2016
Stock-Based Compensation  
Schedule of weighted-average assumptions for stock options

 

 

 

 

 

 

 

 

 

 

    

2016

    

2015

 

Expected dividend yield

 

 
1.4

%  

 
1.1

%

Expected life in years

 

 
5.61

 

 
5.71

 

Expected volatility

 

 
27.5

%  

 
27.3

%

Risk-free interest rate

 

 
1.4

%  

 
1.4

%

Weighted-average fair value

 

$
19.30

 

$
21.19