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TAXES ON INCOME (Reconciliation of Beginning and Ending Balances of Unrecognized Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
TAXES ON INCOME [Abstract]      
Gross tax liabilities, beginning balance $ 755 $ 1,857 $ 1,387
Increases in tax positions for current year 177 56 362
Addition of tax position of prior years 167 494  
Decrease in tax position resulting from settlement   (1,667)  
Foreign currency adjustments (15) 15 108
Gross tax liabilities, ending balance $ 1,084 $ 755 $ 1,857