Derivative Financial Instruments - Pretax Effect of Derivative Instruments on Earnings and OCI (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Net losses recognized in other comprehensive income (loss) (effective portion)		$ 0		$ 0
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net losses recognized in earnings (effective portion)	(3,735,000)	0	(5,954,000)	0
Net losses recognized in other comprehensive income (loss) (effective portion)	(2,260,000)	0	(5,385,000)	0
Net losses recognized in earnings (ineffective portion)	$ (143,000)	$ 0	$ (650,000)	$ 0