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Pension Liabilities, Net (Tables)
12 Months Ended
Dec. 31, 2012
Pension Liabilities, Net [Abstract]  
Schedule Of Changes In Projected Benefit Obligations
   
December 31,
 
   
2011
   
2012
 
             
Accumulated benefit obligation
  $ 9,860     $ 9,643  
                 
Change in projected benefit obligation
               
Projected benefit obligation at beginning of year
  $ -     $ 9,992  
Liability assumed at the acquisition date of Nera
    11,532       -  
Service cost
    59       63  
Interest cost
    323       349  
Expenses paid
    (1,296 )     (992 )
Exchange rates differences
    -       565  
Actuarial gain
    (626 )     (268 )
                 
Projected benefit obligation at end of year
  $ 9,992     $ 9,709  
Schedule Of Changes In Fair Value Of Plan Assets
Change in plan assets
               
Fair value of plan assets at beginning of year
  $ -     $ 7,122  
Acquisition of Nera
    7,500       -  
Actual return on plan assets
    272       294  
Employer contributions to plan
    52       95  
Expenses paid
    (702 )     (524 )
Exchange rates differences
    -       525  
Actuarial gain
    -       (116 )
                 
Fair value of plan assets at end of year
  $ 7,122     $ 7,396  
Schedule Of Assumptions Used
                 
   
December 31, 2011
   
December 31, 2012
 
Weighted-average assumptions
           
Discount rate
    3.80 %     4.20 %
Expected return on plan assets
    4.10 %     3.60 %
Rate of compensation increase
    3.50 %     3.25 %
Schedule Of Net Benefit Costs
   
December 31, 2011
   
December 31, 2012
 
Components of net periodic benefit cost
           
Service cost
  $ 59     $ 63  
Interest cost
    323       349  
Expected return on plan assets
    (272 )     (294 )
Amortization of net loss
    -       -  
Exchange rates differences
    -       5  
Settlement gain recognized
    -       -  
                 
Net periodic benefit cost
  $ 110     $ 123  
Schedule Of Expected Benefit Payments
                 
   
December 31, 2011
   
December 31, 2012
 
             
2013
  $ 817     $ 763  
2014
    561       261  
2015
    361       229  
2016
    223       199  
2017 and thereafter
    908       1,050  
                 
    $ 2,870     $ 2,502  
Schedule Of Allocation Of Plan Assets
                 
   
December 31, 2011
   
December 31, 2012
 
             
Bonds
    49 %     56 %
Real estate
    16 %     14 %
Cash
    17 %     20 %
Shares
    18 %     10 %
                 
      100 %     100 %