Stock-Based Compensation (Schedule Of Stock Option Plans) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Stock-Based Compensation [Abstract]
Shares, Outstanding and exercisable	166	187
Shares, Granted	100	21
Shares, Exercised	(5)	(21)
Shares, Canceled	(36)	(21)
Shares, Outstanding and exercisable	225	166
Weighted Average Exercise Price, Outstanding and exercisable	$ 30.65	$ 27.21
Weighted Average Exercise Price, Granted	26.89	45.21
Weighted Average Exercise Price, Exercised	15.50	18.89
Weighted Average Exercise Price, Canceled	36.59	26.77
Weighted Average Exercise Price, Outstanding and exercisable	$ 28.37	$ 30.65
Aggregate Intrinsic Value	$ 72	$ 1,841	$ 5,039