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Stock Plans (Tables)
12 Months Ended
Dec. 31, 2013
Option Transaction
A summary of stock option transactions for the year ended December 31, 2013 is presented below:

Options
 
Shares
   
Weighted Average Exercise Price
 
Weighted
Average
Remaining
Contractual
Term
Outstanding at December 31, 2012
    50,000     $ 204.76    
Granted
    --       --    
Exercised
    --       --    
Outstanding at December 31, 2013
    50,000     $ 204.76  
4.9 years
Exercisable at December 31, 2013
    15,000     $ 196.99  
4.7 years
Black-Scholes Option Pricing Model Weighted Average Assumptions
The fair value for the options granted in 2012 and 2011 was estimated at the date of grant using a Black-Scholes option pricing model with the following weighted average assumptions:

   
2013
   
2012
   
2011
 
Risk-free interest rate
    --       .5 %     1.7 %
Dividend yield
    --       1 %     1 %
Volatility factor
    --       25.0 %     25.0 %
Expected life
    --    
5 years
   
5 years
 
Restricted Stock Activity
A summary of changes in nonvested restricted stock for the year ended December 31, 2013 is presented below:
 
Nonvested Shares
    Shares      
Weighted Average
Award Date Fair
Value Per Share
 
Restricted stock at December 31, 2012
    13,500     $ 207.35  
Granted in 2013
    --       --  
Vested in 2013
    (3,000 )   $ 211.06  
Restricted stock at December 31, 2013
    10,500     $ 208.09  
Changes in Stock Units
A summary of changes in stock units for the year ended December 31, 2013, is presented below:
 
Nonvested Stock Units
 
 
 
Restricted
Stock Units
   
Weighted
Average
Award Date
Fair Value
Per Unit
   
 
 
Director’s
Stock Units
   
Weighted
Average
Award Date
Fair Value
Per Unit
 
Nonvested at December 31, 2012
    11,996     $ 194.95       --        
Granted
    908     $ 214.76       41     $ 199.78  
Vested
    --       --       (41 )   $ 199.78  
Nonvested at December 31, 2013
    12,904     $ 196.35       --          
Unrecognized Compensation Cost
Unrecognized compensation cost information for our various stock-based compensation types is shown below as of December 31, 2013:
 
   
Unrecognized Compensation Cost
   
Weighted Average
Remaining Years in Amortization Period
 
Stock options
  $ 1,172,000       3.0  
Restricted stock
    1,812,000       3.0  
Restricted stock units
    1,355,000       3.3  
Total
  $ 4,339,000