Derivative Instruments and Hedging Activities (Offsetting of Derivative Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives - Assets, Gross Amounts of Derivatives	$ 5,584	$ 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	5,584	4,016
Derivatives - Assets, Financial Instruments	(708)	(1,520)
Derivatives - Assets, Cash Collateral Received	0	0
Derivatives - Assets, Net Amount	4,876	2,496
Derivatives - Liabilities, Gross Amounts of Derivatives	(708)	(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	(708)	(2,173)
Derivatives - Liabilities, Financial Instruments	708	1,520
Derivatives - Liabilities, Cash Collateral Received	0	0
Derivatives - Liabilities, Net Amount	$ 0	$ (653)