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Goodwill And Intangible Assets, Net (Fair Value Of Intangible Assets Acquired) (Details) - USD ($)
$ in Thousands
1 Months Ended
Nov. 30, 2016
Oct. 31, 2016
Pros Software [Member] | Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Fair value as of acquisition date   $ 2,311
Weighted-Average Amortization period (in years)   9 months
C4U Malta [Member] | Exclusive Licenses [Member]    
Finite-Lived Intangible Assets [Line Items]    
Fair value as of acquisition date $ 745  
C4U Malta [Member] | Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Fair value as of acquisition date $ 186  
Weighted-Average Amortization period (in years) 7 months 24 days  
C4U Malta [Member] | Software And Unpatented Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Fair value as of acquisition date $ 147  
Weighted-Average Amortization period (in years) 1 year 3 months