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MARKETABLE SECURITIES (Schedule of Available-for-sale Marketable Securities) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost $ 27,468 $ 13,182
Gross unrealized gain 2,923 570
Gross unrealized loss (42) (311)
Fair value 30,349 13,441
Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 17,525 4,860
Gross unrealized gain 2,435 285
Gross unrealized loss (22) (189)
Fair value 19,938 4,956
One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 8,691 6,578
Gross unrealized gain 416 211
Gross unrealized loss (18) (89)
Fair value 9,089 6,700
After Five Years through Ten Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 1,252 1,744
Gross unrealized gain 72 74
Gross unrealized loss (2) (33)
Fair value 1,322 1,785
Stock and index linked notes [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 16,944 4,023
Gross unrealized gain 2,368 234
Gross unrealized loss (22) (180)
Fair value 19,290 4,077
Government debentures [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 239 329
Gross unrealized gain 13 21
Gross unrealized loss      
Fair value 252 350
Government debentures [Member] | One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 3,281 1,602
Gross unrealized gain 138 49
Gross unrealized loss    (12)
Fair value 3,419 1,639
Government debentures [Member] | After Five Years through Ten Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 102 955
Gross unrealized gain 15 45
Gross unrealized loss    (14)
Fair value 117 986
Corporate debentures [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 342 508
Gross unrealized gain 54 30
Gross unrealized loss    (9)
Fair value 396 529
Corporate debentures [Member] | One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 5,410 4,976
Gross unrealized gain 278 162
Gross unrealized loss (18) (77)
Fair value 5,670 5,061
Corporate debentures [Member] | After Five Years through Ten Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 1,150 789
Gross unrealized gain 57 29
Gross unrealized loss (2) (19)
Fair value $ 1,205 $ 799