Gain (Losses) on Derivative Financial Instruments (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Cross currency swap
Derivative Instruments, Gain (Loss)
Derivative and non derivative instruments gain (loss) recognized in accumulated oher comprehensive income (loss)	$ (6,241)	$ 3,163
Foreign denominated debt
Derivative Instruments, Gain (Loss)
Derivative and non derivative instruments gain (loss) recognized in accumulated oher comprehensive income (loss)	$ (673)	$ (1,134)

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