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Document and Entity Informations
6 Months Ended
Jul. 02, 2011
Jul. 29, 2011
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 02, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2  
Trading Symbol vsh  
Entity Registrant Name VISHAY INTERTECHNOLOGY INC  
Entity Central Index Key 0000103730  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   143,709,508
Class B Convertible Common Stock
   
Entity Common Stock, Shares Outstanding   13,452,549