MARKETABLE SECURITIES (Details) $ in Thousands	Dec. 31, 2015 USD ($)	Jun. 30, 2015
Schedule of Available-for-sale Securities [Line Items]
Due in one year or less, amortized cost	$ 27,182
Due in one year or less, gross unrealized gains
Due in one year or less, gross unrealized losses	$ (45)
Due in one year or less, fair value	27,137
Due after one year to two years, amortized cost	$ 25,377
Due after one year to two years, gross unrealized gains
Due after one year to two years, gross unrealized losses	$ (87)
Due after one year to two years, fair value	25,290
Amortized cost	$ 52,559
Gross unrealized gains
Gross unrealized losses	$ (132)
Fair value	$ 52,427
Number of loss positions	50	0
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 52,559
Gross unrealized gains
Gross unrealized losses	$ (132)
Fair value	$ 52,427