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, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Interest Expense [Member] | Derivatives in Cash Flow Hedging Relationships [Member]
Amount of (Income) Expense Recognized in Earnings on Derivative	$ 24	$ 43	$ 49	$ 86
Amount of (Gain) Loss Recognized in Accumulated OCI on Derivative	0	0	0	0
Amount of (Gain) Loss Reclassified from Accumulated OCI into Earnings	$ 24	$ 43	$ 49	$ 86