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Acquisition Acquisition (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Nov. 04, 2013
Business Combinations [Abstract]          
Payments to Acquire Businesses, Net of Cash Acquired     $ 0 $ 500  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         $ (93)
Business Combination, Bargain Purchase, Gain Recognized, Amount $ 0 $ 0 $ 0 $ 462