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EQUITY-BASED INCENTIVE AWARDS: (Tables)
12 Months Ended
Sep. 30, 2012
EQUITY-BASED INCENTIVE AWARDS:  
Schedule of assumptions used in connection with the Black-Scholes option pricing calculation

 

 
  Stock Option Pricing
Assumptions
 

Risk-free interest rate

    2.39 %

Dividend yield

    1.10 %

Expected volatility

    27.90 %

Expected life in years

    6  
Schedule of stock options issued and outstanding by grant year

 

 
   
   
   
   
  Exercisable  
 
  Exercise
Price
  Number
Outstanding
  Remaining
Weighted-Average
Contractual Life
  Weighted-Average
Exercise Price
  Number
Exercisable
  Weighted-Average
Exercise Price
 

Fiscal 2003

  $28.80     42   0.07 years   $ 28.80     42   $ 28.80  

Fiscal 2007

  $18.00     25,000   4.20 years   $ 18.00     25,000   $ 18.00  

Fiscal 2010

  $51.50     5,500   7.58 years   $ 51.50     2,200   $ 51.50  

Fiscal 2012

  $53.80 - $65.97     6,500   9.09 years   $ 54.74       $  
                               

 

        37,042       $ 29.43     27,242   $ 20.72  
                               
Summary of stock options activity

 

 
  Number
of
Shares
  Weighted
Average
Exercise
Price
 

Outstanding at September 2011

    30,583   $ 24.05  

Granted

    6,500     54.74  

Exercised

    (41 )   28.80  

Forfeited/Expired

         
           

Outstanding at September 2012

    37,042   $ 29.43  
           
Schedule of restricted stock units issued and outstanding

 

 

 
  Restricted Stock Units(1)   Restricted Stock Units(2)   Restricted Stock Units(3)

Date of award:

  November 22, 2010   November 22, 2010   October 26, 2011

Original number of awards issued:

  38,400   12,000   15,900

Service period:

  24 months   36 months   36 months

Estimated fair value of award at grant date:

  $2,765,000   $864,000   $855,000

Awards outstanding at
September 2012

  12,800   8,000   15,900

Fair value of non-vested awards at September 2012:

  $832,000   $520,000   $1,034,000

(1)
25,600 of the restricted stock unit awards were vested as of September 2012. The remaining 12,800 restricted stock units will vest on October 26, 2012.

(2)
4,000 of the restricted stock units were vested as of September 2012. The remaining 8,000 restricted stock units will vest in equal amounts on November 22, 2012 and November 22, 2013.

(3)
The 15,900 restricted stock units will vest in equal amounts on October 25, 2012, October 25, 2013 and October 25, 2014.
Summary of restricted stock unit activity

 

 
  Number
of
Shares
  Weighted
Average
Fair Value
 

Nonvested restricted stock units at September 2011

    37,600   $ 57.00  

Granted

    15,900   $ 53.80  

Vested

    (16,800 ) $ 56.58  

Expired

      $  
           

Nonvested restricted stock units at September 2012

    36,700   $ 65.00