Summary of Significant Accounting Policies (Schedule Of Reserves For Obsolescence) (Details) - Inventory Reserve For Obsolescence [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 1,436	$ 1,185	$ 1,124
Costs and Expenses	465	44	342
Charge-offs	(293)	207	(281)
Ending Balance	$ 1,608	$ 1,436	$ 1,185