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Per Share Information (Details)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Stock Options [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 20,000 20,000 158,500
Restricted Stock [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 257,826 376,200 348,086