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EARNINGS PER SHARE (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]      
Dilutive shares included in per share calculation (in shares) 518,236    
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares)   728,223 446,992
Equity-based compensation awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares) 634,292 2,407,158 2,133,675