Income Taxes (Components Of The Gross Liabilities Related To Unrecognized Tax Benefits And The Related Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Taxes [Abstract]
Gross unrecognized tax benefits	$ 500	$ 320	$ 610	$ 1,580
Accrued interest and penalties	100	130
Gross liabilities related to unrecognized tax benefits	600	450
Deferred tax assets	100	$ 130
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets