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Major Customer And Geographic Information (Schedule Of Major Customer Data) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Israeli Ministry Of Defense
     
Revenue, Major Customer [Line Items]      
Percentage of total revenues 22.00% 15.00% 23.00%
U.S. Government
     
Revenue, Major Customer [Line Items]      
Percentage of total revenues 6.00% 8.00% 8.00%