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INTANGIBLE ASSETS, NET (Schedule Of Intangible Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]      
Original amount $ 17,370 $ 17,423  
Accumulated amortization 14,178 12,353  
Intangible assets, net $ 3,192 5,070  
Useful lives 7 years    
Amortization expense $ 1,865 2,121 $ 2,534
Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Original amount 8,600    
Accumulated amortization 6,082    
Trademarks [Member]      
Finite-Lived Intangible Assets [Line Items]      
Original amount 800 800  
Accumulated amortization 800 800  
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Original amount [1] 7,970 8,023  
Accumulated amortization $ 7,296 6,699  
Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Original amount   8,600  
Accumulated amortization   $ 4,854  
[1] Including functional currency translation adjustments related to Brazilian subsidiary.