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STOCK-BASED COMPENSATION (Summary of Restricted Stock Units Activity) (Detail) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted Stock Units Outstanding at beginning of period 1,279,667    
Restricted Stock Units Outstanding, Shares Granted 516,090    
Restricted Stock Units Outstanding, Shares Vested (378,859)    
Restricted Stock Units Outstanding, Shares Forfeited (189,940)    
Restricted Stock Units Outstanding at end of period 1,226,958 1,279,667  
Weighted Average Grant Date Fair Value, Nonvested beginning balance $ 26.14    
Weighted Average Grant Date Fair Value, Shares Granted 34.67 $ 23.92 $ 24.41
Weighted Average Grant Date Fair Value, Shares Vested 31.35    
Weighted Average Grant Date Fair Value, Shares Forfeited 27.79    
Weighted Average Grant Date Fair Value, Nonvested ending balance $ 28.31 $ 26.14