Stock-Based Compensation (Schedule Of Stock Option Valuation Assumptions) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Stock-Based Compensation [Abstract]
Weighted average estimated fair value per share of options granted during the period	$ 3.02	$ 3.13	$ 3.00	$ 3.08
Common Stock Price Volatility	48.14%	45.43%	48.05%	45.43%
Risk Free Rate of Return	1.94%	1.70%	1.77%	1.60%
Expected Option Term (In Years)	5 years 4 months 24 days	6 years	5 years 6 months	6 years