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, 2021	Jun. 30, 2020	Jun. 30, 2019
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Net foreign exchange derivative contract losses (gains)	$ 3,462	$ (3,975)	$ 235
Net foreign currency transactional and re-measurement (gains) losses	(2,617)	4,500	400
Net foreign currency losses	$ 845	$ 525	$ 635