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Comprehensive Income
6 Months Ended
Jun. 30, 2011
Comprehensive Income [Abstract]  
Comprehensive Income
 (11)   Comprehensive Income/(Expense)
 
The following table shows the components of comprehensive income/(expense) for the three and six months ended June 30, 2011 and 2010:
 
   
Three months ended
  
Six months ended
 
   
June 30,
  
June 30,
 
   
2011
  
2010
  
2011
  
2010
 
              
Net income
 $4,757  $4,771  $7,466  $6,454 
Foreign currency translation
  1,445   (15,083)  12,819   (25,364)
Unrealized (loss)/gain on hedging contracts, net of tax
  (52)  404   (118)  866 
Pension, net of tax
  269   256   543   513 
Total
 $6,419  $(9,652) $20,710  $(17,531)