Derivative Instruments and Hedging Activities Offsetting of Derivative Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Derivatives - Assets, Gross Amounts of Derivatives	$ 666	$ 4,016
Derivatives - Assets, Gross Amounts of Derivatives Offset in the Consolidated Balance Sheets	0	0
Derivatives - Assets, Net Amount of Derivatives Presented in the Consolidated Balance Sheets	666	4,016
Derivatives - Assets, Financial Instruments	(423)	(1,520)
Derivatives - Assets, Cash Collateral Received	0	0
Derivatives - Assets, Net Amount	243	2,496
Derivatives - Liabilities, Gross Amounts of Derivatives	(898)	(2,173)
Derivatives - Liabilities, Gross Amounts of Derivatives Offset in the Consolidated Balance Sheets	0	0
Derivatives - Liabilities, Net Amount of Derivatives Presented in the Consolidated Balance Sheets	(898)	(2,173)
Derivatives - Liabilities, Financial Instruments	423	1,520
Derivatives - Liabilities, Cash Collateral Received	0	0
Derivatives - Liabilities, Net Amount	$ (475)	$ (653)