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Stock Based Compensation (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2013
Restricted Stock Units (RSUs)
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vesting period 3 years    
Unvested restricted stock outstanding 137,255   81,555
Compensation expense $ 0.9 $ 0.6  
Restricted Stock Units (RSUs) | Performance Based Restricted Stock Unit
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Actual amount of RSUs earned based on cumulative earnings 60.00%    
Performance cycle 3 years    
Restricted Stock Units (RSUs) | Time Based Restricted Stock Unit
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vesting period 3 years    
Target RSUs granted range 40.00%    
Restricted Stock
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Compensation expense $ 0.2 $ 0.5  
Minimum | Restricted Stock Units (RSUs) | Performance Based Restricted Stock Unit
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Target RSUs granted range 0.00%    
Maximum | Restricted Stock Units (RSUs) | Performance Based Restricted Stock Unit
     
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Target RSUs granted range 150.00%