Basis of Presentation (Policies)	3 Months Ended
Basis of Presentation (Policies)	Mar. 30, 2013
Basis of Presentation [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Adopted Accounting Guidance In February 2013, the FASB issued Accounting Standards Update ("ASU") No. 2013-02, Comprehensive Income (Topic 220), Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. The ASU adds new disclosure requirements for items reclassified out of accumulated other comprehensive income. The ASU does not amend any existing requirements for reporting net income or other comprehensive income in the financial statements. The ASU is effective for the Company for interim and annual periods beginning after January 1, 2013. Vishay adopted the ASU on January 1, 2013. The adoption of the ASU had no effect on the Company's financial position, results of operations, or liquidity.
Fiscal Period, Policy	The Company reports interim financial information for 13-week periods beginning on a Sunday and ending on a Saturday, except for the first fiscal quarter, which always begins on January 1, and the fourth fiscal quarter, which always ends on December 31. The four fiscal quarters in 2013 end on March 30, 2013, June 29, 2013, September 28, 2013, and December 31, 2013, respectively. The four fiscal quarters in 2012 ended on March 31, 2012, June 30, 2012, September 29, 2012, and December 31, 2012, respectively.

Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed.

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