Stock-Based Compensation (Summary Of Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Outstanding at beginning of period, shares		622,636	635,158	658,641
New Grants (based on fair value of common stock at dates of grant), shares		100,000	166,500	511,197
Exercised, shares		(52,000)	(28,916)	(9,748)
Expired, shares		(34,000)	(115,635)	(123,833)
Forfeited, shares		(1,600)	(34,471)	(401,099)
Outstanding at end of period, shares		635,036	622,636	635,158
Exercisable at end of period, shares		384,805	336,022	329,210
Weighted average exercise price (per share), Beginning of period		$ 7.26	$ 7.53	$ 8.53
New Grants (based on fair value of common stock at dates of grant), weighted average exercise price (per share)		7.95	6.63	7.35
Exercised, weighted average exercise price (per share)		8.81	4.89	5.92
Expired, weighted average exercise price (per share)		9.99	8.28	9.08
Forfeited, weighted average exercise price (per share)		10.55	7.69	8.48
Weighted average exercise price (per share), End of period		7.02	7.26	7.53
Exercisable at end of period, weighted average exercise price (per share)		$ 6.87	$ 7.50	$ 7.78
Outstanding at end of period, aggregate intrinsic value	[1]	$ 2,269	$ 279	$ 54
Exercisable at end of period, aggregate intrinsic value	[1]	$ 1,445	$ 279	$ 54

[1] The intrinsic value of a stock option is the amount by which the current market value of the underlying stock exceeds the exercise price of the option. The total intrinsic value of stock options exercised during the fiscal years ended June 30, 2018, 2017 and 2016, were $87,000, $58,000 and $24,000, respectively. The total fair value of shares vested during the fiscal years ended June 30, 2018, 2017 and 2016, were $400,000, $409,000 and $323,000, respectively