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Acquisition and Divestiture Activities (Tables) | 12 Months Ended
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Dec. 31, 2016
Acquisition and Divestiture Activities [Abstract] |
Business Acquisition, Pro Forma Information [Table Text Block] | Note 2 - Acquisition and Divestiture Activities (continued) Pro Forma Results The unaudited pro forma results would have been as follows, assuming the 2014 acquisitions had occurred as of January 1, 2014:
|  | Year ended |
|  | December 31, 2014 |
Pro forma net revenues |  | $ | 2,522,010 |
Pro forma net earnings attributable to Vishay stockholders |  |  | 114,510 |
Pro forma basic earnings per share attributable to Vishay stockholders |  | $ | 0.78 |
Pro forma diluted earnings per share attributable to Vishay stockholders |  | $ | 0.75 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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