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, 2018	Jun. 30, 2017	Jun. 30, 2016
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Net foreign exchange derivative contract loss (gain)	$ 386	$ 146	$ (1,951)
Net foreign currency transactional and re-measurement loss	1,710	1,773	4,522
Net foreign currency loss	$ 2,096	$ 1,919	$ 2,571

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894

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