Derivative Instruments and Hedging Activities (Offsetting of Derivative Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jun. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives - Assets, Gross Amounts of Derivatives	$ 11,584	$ 666
Derivatives - Assets, Gross Amounts of Derivatives Offset in the Condensed Consolidated Balance Sheets	0	0
Derivatives - Assets, Net Amount of Derivatives Presented in the Condensed Consolidated Balance Sheets	11,584	666
Derivatives - Assets, Financial Instruments	(1,816)	(423)
Derivatives - Assets, Cash Collateral Received	0	0
Derivatives - Assets, Net Amount	9,768	243
Derivatives - Liabilities, Gross Amounts of Derivatives	(1,816)	(898)
Derivatives - Liabilities, Gross Amounts of Derivatives Offset in the Condensed Consolidated Balance Sheets	0	0
Derivatives - Liabilities, Net Amount of Derivatives Presented in the Condensed Consolidated Balance Sheets	(1,816)	(898)
Derivatives - Liabilities, Financial Instruments	1,816	423
Derivatives - Liabilities, Cash Collateral Received	0	0
Derivatives - Liabilities, Net Amount	$ 0	$ (475)