XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - USD ($)
9 Months Ended
Oct. 01, 2016
Nov. 03, 2016
Jul. 02, 2016
Entity Information [Line Items]      
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus Q3    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Oct. 01, 2016    
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     $ 1,674,000,000
Common Stock [Member]      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   133,845,509  
Class B Convertible Common Stock [Member]      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   12,129,227