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Earnings Per Share (Details) - Additional Information (Details)
3 Months Ended
Sep. 30, 2019
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Effect of dilutive shares (in shares) 9,119,059
Stock Option Plans  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Potentially dilutive share options (in shares) 57,782