Acquisition and Divestiture Activities	12 Months Ended
Dec. 31, 2013
Acquisition and Divestiture Activities [Abstract]
Acquisition and Divestiture Activities	Note 2 - Acquisition and Divestiture Activities As part of its growth strategy, the Company seeks to expand through targeted acquisitions of other manufacturers of electronic components that have established positions in major markets, reputations for product quality and reliability, and product lines with which the Company has substantial marketing and technical expertise. Year ended December 31, 2013 MCB Industrie S.A. On June 13, 2013, Vishay acquired MCB Industrie S.A. ("MCB Industrie") in France, a well-established manufacturer of specialty resistors and sensors, for $23,034, net of cash acquired. The products and technology portfolio acquired is expected to enable Vishay to expand its presence in the European industrial market. For financial reporting purposes, the results of operations for this business have been included in the Resistors & Inductors segment from June 13, 2013. The inclusion of this business did not have a material impact on the Company's consolidated results for the year ended December 31, 2013. Based on an estimate of their fair values, the Company allocated $5,433 of the purchase price to definite-lived intangible assets. After allocating the purchase price to the assets acquired and liabilities assumed based on an estimation of their fair values at the date of acquisition, the Company recorded goodwill of $7,985 related to this acquisition. The goodwill associated with this transaction is not deductible for income tax purposes. Had this acquisition occurred as of the beginning of the periods presented in these consolidated financial statements, the pro forma statements of operations would not be materially different than the consolidated statements of operations presented. Year ended December 31, 2012 HiRel Systems LLC On January 13, 2012, Vishay acquired HiRel Systems LLC, a leading supplier of high reliability transformers, inductors, coils, and power conversion products, for $85,493, net of cash acquired. The products and technology portfolio acquired further enhanced the Company's inductors portfolio, particularly in the field of custom magnetics for medical, military, aerospace and aviation, and applications in the industrial and commercial field such as renewable energy and test and measurement equipment. For financial reporting purposes, the results of operations for this business have been included in the Resistors & Inductors segment from January 13, 2012. Based on an estimate of their fair values, the Company allocated $43,950 of the purchase price to definite-lived intangible assets. After allocating the purchase price to the assets acquired and liabilities assumed based on an estimation of their fair values at the date of acquisition, the Company recorded goodwill of $25,815 related to this acquisition. The goodwill associated with this transaction is deductible for income tax purposes. Had this acquisition occurred as of the beginning of the periods presented in these consolidated financial statements, the pro forma statements of operations would not be materially different than the consolidated statements of operations presented. Year ended December 31, 2011 Huntington Electric, Inc. On September 28, 2011, Vishay acquired the resistor businesses of Huntington Electric, Inc., for approximately $19,335, net of cash acquired. For financial reporting purposes, the results of operations for these businesses have been included in the Resistors & Inductors segment from September 28, 2011. After allocating the purchase price to the assets acquired and liabilities assumed based on their fair values at the date of acquisition, the Company recorded goodwill of $9,051 related to this acquisition. The goodwill associated with this transaction is deductible for income tax purposes. Had this acquisition occurred as of the beginning of the periods presented in these consolidated financial statements, the pro forma statements of operations would not be materially different than the consolidated statements of operations presented.

Note 2 - Acquisition and Divestiture Activities

As part of its growth strategy, the Company seeks to expand through targeted acquisitions of other manufacturers of electronic components that have established positions in major markets, reputations for product quality and reliability, and product lines with which the Company has substantial marketing and technical expertise.

Year ended December 31, 2013

MCB Industrie S.A.

On June 13, 2013, Vishay acquired MCB Industrie S.A. ("MCB Industrie") in France, a well-established manufacturer of specialty resistors and sensors, for $23,034, net of cash acquired. The products and technology portfolio acquired is expected to enable Vishay to expand its presence in the European industrial market. For financial reporting purposes, the results of operations for this business have been included in the Resistors & Inductors segment from June 13, 2013. The inclusion of this business did not have a material impact on the Company's consolidated results for the year ended December 31, 2013. Based on an estimate of their fair values, the Company allocated $5,433 of the purchase price to definite-lived intangible assets. After allocating the purchase price to the assets acquired and liabilities assumed based on an estimation of their fair values at the date of acquisition, the Company recorded goodwill of $7,985 related to this acquisition. The goodwill associated with this transaction is not deductible for income tax purposes.

Had this acquisition occurred as of the beginning of the periods presented in these consolidated financial statements, the pro forma statements of operations would not be materially different than the consolidated statements of operations presented.

Year ended December 31, 2012

HiRel Systems LLC

On January 13, 2012, Vishay acquired HiRel Systems LLC, a leading supplier of high reliability transformers, inductors, coils, and power conversion products, for $85,493, net of cash acquired. The products and technology portfolio acquired further enhanced the Company's inductors portfolio, particularly in the field of custom magnetics for medical, military, aerospace and aviation, and applications in the industrial and commercial field such as renewable energy and test and measurement equipment. For financial reporting purposes, the results of operations for this business have been included in the Resistors & Inductors segment from January 13, 2012. Based on an estimate of their fair values, the Company allocated $43,950 of the purchase price to definite-lived intangible assets. After allocating the purchase price to the assets acquired and liabilities assumed based on an estimation of their fair values at the date of acquisition, the Company recorded goodwill of $25,815 related to this acquisition. The goodwill associated with this transaction is deductible for income tax purposes.

Year ended December 31, 2011

Huntington Electric, Inc.

On September 28, 2011, Vishay acquired the resistor businesses of Huntington Electric, Inc., for approximately $19,335, net of cash acquired. For financial reporting purposes, the results of operations for these businesses have been included in the Resistors & Inductors segment from September 28, 2011. After allocating the purchase price to the assets acquired and liabilities assumed based on their fair values at the date of acquisition, the Company recorded goodwill of $9,051 related to this acquisition. The goodwill associated with this transaction is deductible for income tax purposes.