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Share Based Payments (Tables)
9 Months Ended
Jun. 30, 2014
Share-Based Payments [Abstract]  
Restricted stock activity
The transactions for restricted stock for the nine months ended June 30, 2014 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
  (236,888  29.48 
Expired or forfeited
  (77,417  30.84 
Non-vested at June 30, 2014
  528,319   31.63 

Stock option activity
The transactions for shares under options for the nine months ended June 30, 2014 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
  (63,121)  32.40       
Expired or forfeited
  (20,546)  39.08       
Outstanding, June 30, 2014
  661,157   38.23   1.5   $2,213 
Exercisable, June 30, 2014
  348,715   37.77   1.4   $1,326 

Non-vested options activity
The transactions for non-vested options for the nine months ended June 30, 2014 were as follows:

      
Weighted-average
 
      
grant-date
 
   
Shares
  
fair value
 
Non-vested at September 30, 2013
  331,755   $11.29 
Granted
  -   - 
Vested
  -   - 
Expired or forfeited
  (19,313)  12.65 
Non-vested at June 30, 2014
  312,442   11.21 

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 for the nine months ended June 30, 2014 and 2013.

   
Nine Months Ended June 30,
 
   
2014
  
2013
 
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