Stock-Based Compensation (Schedule Of Stock Option Valuation Assumptions) (Details) - $ / shares	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Weighted average estimated fair value per share of options granted during the period	$ 3.91	$ 3.91	$ 3.96
Common Stock Price Volatility	43.50%	43.50%	49.01%
Risk Free Rate of Return	2.56%	2.56%	1.81%
Expected Option Term (In Years)	6 years 7 months 6 days	6 years 7 months 6 days	5 years 4 months 24 days