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Stock Options and Restricted Stock Awards (Performance Based Restricted Stock Awards) (Details) - shares
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Document Period End Date Jun. 30, 2018    
Document Fiscal Year Focus 2018    
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (66,295) (328,353) (52,680)
Vested (in shares)     102,451
Total Shareholder Return      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
TSR Performance Result     0.00%
Vested (in shares)     0