STOCK PLANS AND STOCK-BASED COMPENSATION - Summary of information regarding the cash proceeds received, and the intrinsic value and total tax benefits realized resulting from stock option exercises (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Stock Plans And Stock-Based Compensation [Abstract]
Cash proceeds received		$ 872
Intrinsic value realized	1,286	1,646	3,868
Income tax benefit realized	$ 465	$ 615	$ 1,470