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Stock-Based Compensation (Tables)
9 Months Ended
Jun. 30, 2012
Stock-Based Compensation [Abstract]  
Schedule of share based compensation, Activity
                                 
          Weighted-Average        
    Number of
Share
Options
    Exercise
Price
    Remaining
Contractual
Term (Years)
    Aggregate
Intrinsic
Value
 
         

Vested and exercisable at September 30, 2011

    43     $ 3.86                  

Options exercised

    (40   $ 3.87                  
   

 

 

                         

Vested and exercisable at June 30, 2012

    3     $ 3.74       3.0     $ 58  
   

 

 

                         
Aggregate option activity
                 
    Number of
Shares
    Weighted
Average Fair

Value  at Date
of Grant
 
     

Outstanding at September 30, 2011

    135     $ 13.25  

Restricted shares awarded (2012 award)

    27       22.00  

Restricted shares earned (2011 award)

    (11     16.30  

Restricted shares forfeited (various awards)

    (1     22.00  

Performance shares awarded (2012 award)

    59       19.56  

Performance shares forfeited (various awards)

    (13     16.65  

Performance shares earned (2009 award)

    (9     5.99  

Performance shares not earned (2009 award)

    (29     5.99  
   

 

 

         
     

Outstanding at June 30, 2012

    158     $ 18.07