XML 40 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information (USD $)
9 Months Ended
Sep. 29, 2012
Jun. 30, 2012
Oct. 26, 2012
Common Stock [Member]
Oct. 26, 2012
Class B Convertible Common Stock [Member]
Entity Information [Line Items]        
Entity Common Stock, Shares Outstanding     131,143,534 12,129,227
Document Fiscal Year Focus 2012      
Document Fiscal Period Focus Q3      
Document Type 10-Q      
Amendment Flag false      
Document Period End Date Sep. 29, 2012      
Entity Registrant Name VISHAY INTERTECHNOLOGY INC      
Entity Central Index Key 0000103730      
Current Fiscal Year End Date --12-31      
Entity Well-known Seasoned Issuer Yes      
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Filer Category Large Accelerated Filer      
Entity Public Float   $ 1,234,000,000