Comprehensive Income (Loss) (Details Textuals)	6 Months Ended
Jul. 02, 2011
Discussion On Inclusion Of Entitys Proportionate Share Of Other Comprehensive Income (Loss) Of Equity Method Investment On Other Comprehensive Income (Loss)	Other comprehensive income (loss) includes Vishay’s proportionate share of other comprehensive income (loss) of nonconsolidated subsidiaries accounted for under the equity method.

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