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Employee Benefit Plans (Schedule of Fair Value Assumptions for Stock Options and Employee Stock Purchase Plan Awards) (Details) - Employee Stock
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Expected life 6 months 6 months 6 months
Risk-free interest rate 0.33% 0.09% 1.71%
Volatility 49.00% 95.00% 43.00%