Derivatives and Hedging Activities (Derivative Contracts and Changes in Underlying Value of the Foreign Currency Exposures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Net foreign exchange derivative contract (gain) loss	$ 146	$ (1,951)	$ (5,364)
Net foreign currency transactional and re-measurement (gain) loss	1,773	4,522	8,408
Net foreign currency (gain) loss	$ 1,919	$ 2,571	$ 3,044