MARKETABLE SECURITIES (Schedule of Available-for-sale Marketable Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 20,868	$ 20,156
Gross unrealized gain	1,413	2,255
Gross unrealized loss	(645)	(161)
Fair value	21,636	22,250
Within One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	14,321	13,531
Gross unrealized gain	1,334	2,110
Gross unrealized loss	(590)	(134)
Fair value	15,065	15,507
One to Five Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	6,152	6,469
Gross unrealized gain	71	137
Gross unrealized loss	(52)	(26)
Fair value	6,171	6,580
After Five Years through Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	395	156
Gross unrealized gain	8	8
Gross unrealized loss	(3)	(1)
Fair value	400	163
Stock and Index Linked Notes [Member] | Within One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	12,686	12,305
Gross unrealized gain	1,305	2,083
Gross unrealized loss	(579)	(72)
Fair value	13,412	14,316
Government Debentures [Member] | Within One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	611	287
Gross unrealized gain	9	1
Gross unrealized loss	(1)	(10)
Fair value	619	278
Government Debentures [Member] | One to Five Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	1,495	2,033
Gross unrealized gain	5	40
Gross unrealized loss	(25)	(9)
Fair value	1,475	2,064
Corporate Debentures [Member] | Within One Year [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	1,024	939
Gross unrealized gain	20	26
Gross unrealized loss	(10)	(52)
Fair value	1,034	913
Corporate Debentures [Member] | One to Five Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	4,657	4,436
Gross unrealized gain	66	97
Gross unrealized loss	(27)	(17)
Fair value	4,696	4,516
Corporate Debentures [Member] | After Five Years through Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	395	156
Gross unrealized gain	8	8
Gross unrealized loss	(3)	(1)
Fair value	$ 400	$ 163