Employee Stock Puchase Plan (Schedule Of Employee Stock Purchase Plan) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Employee Stock Puchase Plan [Abstract]
Non-cash stock based compensation expense	$ 4	$ 19	$ 14
Common shares purchased	4	2	3
Average purchase price per share	$ 3.86	$ 8.50	$ 10.67