Derivative Instruments and Hedging Activities (Impact of Derivative Instruments on Earnings) (Details) - Interest Expense [Member] - Derivatives in Cash Flow Hedging Relationships [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Amount of (Income) Expense Recognized in Earnings on Derivative	$ (18)	$ 25	$ 39	$ 74
Amount of (Gain) Loss Recognized in Accumulated OCI on Derivative	0	0	0	0
Amount of (Gain) Loss Reclassified from Accumulated OCI into Earnings	$ (18)	$ 25	$ 39	$ 74