Derivative Instruments and Hedging Activities - Gains and Losses Related to Derivatives Not Designated as Hedging Instruments and to Cash Flow Hedges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Currency Forward Contracts [Member] | Other Expense Income Net [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, (Gain) Loss Recognized in Income, Net
Other (income) expense, net - currency forward contracts	$ 3,386	$ (178)	$ (3,783)	$ (64)
Range Forward Contracts [Member] | Cash flow hedging [Member]
(Gains) losses related to cash flow hedges
Gains (losses) recognized in other comprehensive loss (income), net	3,025	(8)	5,738	(851)
(Gains) losses reclassified from accumulated other comprehensive loss into other (income) expense, net	$ (48)	$ 340	$ 453	$ 1,054