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Stock Compensation (Details Textual) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Chief Executive Officer [Member]
Sep. 30, 2011
Chief Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Accelerated vesting of restricted stock       $ 7,300,000  
Income tax benefit         2,500,000
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures 5,400        
Stock Compensation (Textual) [Abstract]          
Stock option exercises, issuance of shares   201,298      
Proceeds from exercise of stock options   $ 647,000 $ 395,000