Acquisition Acquisition (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 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