Annual report pursuant to Section 13 and 15(d)

Stock Repurchase Program (Total Repurchase Transactions) (Details)

v3.3.0.814
Stock Repurchase Program (Total Repurchase Transactions) (Details) - shares
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Stock Repurchase Program [Abstract]      
Open market repurchase transactions   165,000 10,000
Private repurchase transactions 250 4,000 45,625
Total repurchase transactions 250 169,000 55,625