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Goodwill and Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Goodwill and Intangible Assets (Textual) [Abstract]      
Amortization of intangible assets $ 2,161 $ 2,076 $ 2,879