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MARKETABLE SECURITIES (Schedule of Available-for-sale Marketable Securities) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Jun. 30, 2014
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost $ 26,517 $ 27,025
Gross unrealized gain 1,289 2,965
Gross unrealized loss (1,908) (29)
Fair value 25,898 29,961
Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 19,356 19,430
Gross unrealized gain 1,063 2,585
Gross unrealized loss (1,883) (23)
Fair value 18,536 21,992
One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 7,066 7,501
Gross unrealized gain 214 361
Gross unrealized loss (25) (6)
Fair value 7,255 7,856
After Five Years through Ten Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 95 94
Gross unrealized gain 12 19
Gross unrealized loss      
Fair value 107 113
Stock and Index Linked Notes [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 18,499 18,881
Gross unrealized gain 1,006 2,522
Gross unrealized loss (1,862) (23)
Fair value 17,643 21,380
Government Debentures [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 67 97
Gross unrealized gain 4 9
Gross unrealized loss      
Fair value 71 106
Government Debentures [Member] | One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 2,575 2,595
Gross unrealized gain 59 98
Gross unrealized loss (16) (1)
Fair value 2,618 2,692
Corporate Debentures [Member] | Within One Year [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 790 452
Gross unrealized gain 53 54
Gross unrealized loss (21)   
Fair value 822 506
Corporate Debentures [Member] | One to Five Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 4,491 4,906
Gross unrealized gain 155 263
Gross unrealized loss (9) (5)
Fair value 4,637 5,164
Corporate Debentures [Member] | After Five Years through Ten Years [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 95 94
Gross unrealized gain 12 19
Gross unrealized loss      
Fair value $ 107 $ 113