FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Fair Value Disclosures [Abstract]
Deposits of cash outside the United States	$ 524,300
Cash and cash equivalents	$ 551,031	$ 446,401	$ 347,097	$ 227,826