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Share Based Payments (Tables)
3 Months Ended
Dec. 31, 2013
Share-Based Payments [Abstract]  
Restricted stock activity
The transactions for restricted stock for the three months ended December 31, 2013 were as follows:

      
Weighted-
 
      
average
 
      
grant-date
 
   
Shares
  
fair value
 
Non-vested at September 30, 2013
  641,399   $29.46 
Granted
  201,225   35.71 
Vested
  (196,009)  29.99 
Expired or forfeited
  (74,750)  30.85 
Non-vested at December 31, 2013
  571,865   31.30 
Stock option activity
The transactions for shares under options for the quarter ended December 31, 2013 were as follows:

         
Weighted-
    
      
Weighted-
  
average
  
Aggregate
 
      
average
  
remaining
  
intrinsic
 
   
Shares
  
exercise price
  
contractual term
  
value
 
Outstanding, September 30, 2013
  744,824   $37.76       
Granted
  -   -       
Exercised
  (57,983)  31.99       
Expired or forfeited
  (15,833)  39.18       
Outstanding, December 31, 2013
  671,008   38.22   2.0   $2,944 
Exercisable, December 31, 2013
  354,420   37.76   1.9   $1,718 
Non-vested options activity
The transactions for non-vested options for the quarter ended December 31, 2013 were as follows:

      
Weighted-average
 
      
grant-date
 
Non-vested shares
 
Shares
  
fair value
 
Non-vested at September 30, 2013
  331,755   $11.29 
Granted
  -   - 
Vested
  -   - 
Expired or forfeited
  (15,167)  12.25 
Non-vested at December 31, 2013
  316,588   11.24 
Assumptions used in estimating fair value
The fair value of each restricted stock grant is estimated on the date of grant using a binomial lattice valuation model.  The following table indicates the assumptions used in estimating fair value of restricted stock granted during the periods ended December 31, 2013 and 2012.

   
Three Months Ended December 31,
 
   
2013
  
2012
 
Expected volatility
  26.6%  29.5%
Dividend yield
  1.1%  1.2%
Average risk free interest rate
  1.4%  0.6%
Average expected term (years)
  2.0   2.0