New Accounting Pronouncements (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jul. 01, 2017	Jun. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Short-term deferred income tax asset			$ 438
Long-Term Deferred Income Tax Asset	$ 853		9
Short-term deferred income tax liability			752
Long-Term Deferred Income Tax Liability	$ 1,530		$ 871
Accounting Standards Update 2015-17 [Member] | Scenario, Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Short-term deferred income tax asset		$ (438)
Long-Term Deferred Income Tax Asset		438
Short-term deferred income tax liability		(752)
Long-Term Deferred Income Tax Liability		$ 752