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Comprehensive Income (Loss) (Tables)
6 Months Ended
Jul. 02, 2011
Comprehensive Income (Loss) (Tables) [Abstract]  
Schedule of Comprehensive Income (Loss)
Components of Comprehensive income (loss)
 
    Fiscal quarters ended   Six fiscal months ended
       July 2, 2011      July 3, 2010      July 2, 2011      July 3, 2010
Net earnings   $ 82,496     $ 76,965     $ 158,103     $ 122,604  
Other comprehensive income (loss):                                
     Foreign currency translation                                
          adjustment     18,691       (50,012 )     64,419       (79,496 )
     Unrealized gain (loss) on available                                
          for sale securities     (851 )     (528 )     (240 )     (133 )
     Pension and other postretirement                                
          adjustments     482       (6,768 )     2,416       (4,998 )
Total other comprehensive income (loss)     18,322       (57,308 )     66,595       (84,627 )
Comprehensive income   $ 100,818     $ 19,657     $ 224,698     $ 37,977  
Less: Comprehensive income                                
     attributable to noncontrolling interests     401       306       721       525  
Comprehensive income attributable                                
     to Vishay stockholders   $          100,417     $          19,351     $          223,977     $          37,452