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Retirement Benefit Plans
9 Months Ended
Sep. 30, 2011
Retirement Benefit Plans [Abstract] 
Retirement Benefit Plans
10. Retirement Benefit Plans
 
Our defined benefit pension plans and postretirement medical plan are described in Note 11 of the 2010 annual report on Form 10-K. We have contributed $68 and $179 during the third quarter of 2011 and $202 and $387 during the first nine months of 2011 to our pension plans and to our postretirement medical plan, respectively.
 
The components of the net periodic benefit cost for the three and nine months ended September 30, 2011 and 2010 were as follows:
 
   
Three Months Ended
 
   
September 30
 
   
Pension Benefits
  
Postretirement
 
   
U.S. Plans
  
Non-U.S. Plans
  
Medical Benefits
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
Service cost
 $163  $165  $25  $13  $33  $30 
Interest cost
  503   508   122   52   153   171 
Expected return on plan assets
  (581)  (586)  (109)  (36)  -   - 
Amortization of net actuarial loss
  7   5   -   -   -   - 
Amortization of prior service cost
  137   138   40   -   (145)  (145)
Foreign currency
  -   -   (325)  95   -   - 
Net periodic cost (benefit)
 $229  $230  $(247) $124  $41  $56 
 
   
Nine Months Ended
 
   
September 30
 
   
Pension Benefits
  
Postretirement
 
   
U.S. Plans
  
Non-U.S. Plans
  
Medical Benefits
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
Service cost
 $489  $493  $75  $40  $99  $91 
Interest cost
  1,509   1,524   366   157   459   511 
Expected return on plan assets
  (1,744)  (1,755)  (325)  (109)  -   - 
Amortization of net actuarial loss
  21   16   -   -   -   - 
Amortization of prior service cost
  412   415   118   -   (435)  (435)
Foreign currency
  -   -   (248)  (42)  -   - 
Net periodic cost (benefit)
 $687  $693  $(14) $46  $123  $167