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Stock-Based Compensation (Schedule Of Stock Option Valuation Assumptions) (Details) - $ / shares
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Weighted average estimated fair value per share of options granted during the period $ 3.96 $ 3.96
Common Stock Price Volatility 48.70% 48.70%
Risk Free Rate of Return 2.05% 2.05%
Expected Option Term (In Years) 6 years 4 months 24 days 6 years 4 months 24 days