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STOCK COMPENSATION PLANS (Tables)
9 Months Ended
Sep. 30, 2014
STOCK COMPENSATION PLANS [Abstract]  
Weighted-average assumptions used for grants option
The fair value of each option grant is estimated using the Black-Scholes-Merton option pricing model with the following weighted-average assumptions used for grants issued in 2014 and 2013.  All options were granted at market value with a 10-year option term with a vesting period of one year from the date of grant.

  
2014
  
2013
 
Expected Dividend Yield
  
3.88
%
  
3.63
%
Expected Stock Price Volatility
  
26.50
%
  
26.16
%
Weighted Average Risk-Free Interest Rate
  
2.24
%
  
1.68
%
Weighted Average Expected Life of Options (in years)
  
7.52
   
9.41
 

Shares of Class A Non-Voting Common Stock under option
The following summary reflects changes in the shares of Class A Stock underlying options for the nine months ended September 30, 2014:

  
Option Shares
  
Weighted Average Exercise Price
  
Weighted Average Remaining Life (Yrs.)
  
Aggregate Intrinsic Value (in thousands)
 
Plan options
        
Outstanding at January 1, 2014
  
387,000
  
$
18.96
     
1,542
 
Granted
  
33,750
   
21.86
     
 
Exercised
  
(40,500
)
  
16.13
     
238
 
Expired
  
   
     
 
Outstanding at September 30, 2014
  
380,250
  
$
19.52
   
4.70
  
$
404
 
                 
Options exercisable at September 30, 2014
  
346,500
  
$
19.30
   
4.22
  
$
404
 


Non-vested shares of Class A Stock under option
The following summary reflects changes in the non-vested shares of Class A Stock underlying options for the nine months ended September 30, 2014:

 
Non-vested Shares
 
Option Shares
  
Weighted Average Grant – Date Fair Value Per Option
 
Non-vested at January 1, 2014
  
33,750
  
$
4.04
 
Granted
  
33,750
   
3.94
 
Vested
  
(33,750
)
  
4.04
 
Canceled
  
   
 
Non-vested at September 30, 2014
  
33,750
  
$
3.94