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Stock-Based Compensation (Range Of Assumptions Used To Value Options Granted) (Details) - Stock Options [Member]
9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility 50.00% 62.00%
Expected dividends 0.00% 0.00%
Expected life (in years) 3 years 3 years
Risk-free rate 1.61% 0.19%