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EMPLOYEE BENEFIT PLANS - Additional Information (Detail) - USD ($)
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 4.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 24,600,000 $ 26,200,000 $ 26,600,000
Employee Stock Purchase Program Authorized Amount $ 25,000    
Employee Purchase Plan Purchase Price Percentage Of Fair Market Value 95.00%    
Employee Purchase Plan Purchase Price Percentage Of Subsidy By Employer 5.00%    
Stock Issued During Period, Shares, Employee Stock Purchase Plans 33,548 55,162 32,987