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Earnings (Loss) Per Share (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Earnings (Loss) Per Share [Abstract]        
Potentially dilutive common shares excluded 857,799      
Stock options and restricted stock units not included in the computation of diluted earnings per share 225,580,000 267,556,000 200,341,000 128,789,000