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Shareholders' Equity (Details) Narrative - $ / shares
shares in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Statement of Stockholders' Equity [Abstract]    
Forward Contract Indexed to Issuer's Equity, Indexed Shares 1.0 2.5
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share $ 11.00 $ 13.80