XML 44 R28.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Warranty Obligations (Tables)
 6 Months Ended
Jul. 03, 2011
Warranty Obligations and Contingencies [Abstract]  
Changes in warranty obligations
         
Balance as of December 31, 2010
  $      1,985  
Provisions for warranties issued during the period
    774  
Fulfillment of warranty obligations
    (724)  
Foreign exchange rate changes
    137  
 
     
 
       
Balance as of July 3, 2011
  $ 2,172