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Stock-Based Compensation Programs (Tables)
6 Months Ended
Jun. 30, 2016
Stock-Based Compensation Programs  
Schedule of weighted average assumptions used for estimating fair values of options

 

 

 

 

 

 

 

    

January 2016

    

February 2015

 

 

 

 

 

 

 

Expected dividend yield

 

0.79

%  

0.79

%

Expected stock price volatility

 

29.25

%  

22.11

%

Risk-free interest rate

 

1.57

%  

1.39

%

Expected life of options (in years)

 

5.94

years  

5.85

years