Acquisition and Divestiture Activities (Tables)

12 Months Ended

Dec. 31, 2014

Acquisition and Divestiture Activities [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Based on an estimate of their fair values, the Company allocated the purchase price of the acquisition as follows:

Short-term investments	$	47,438
Working capital (excluding cash and short-term investments)		(6,374	)
Property and equipment		4,134
Intangible assets:
Patents and acquired technology		14,870
Capitalized software		101
Customer relationships		54,400
Tradenames		5,110
Total intangible assets		74,481
Other, net		(454	)
Deferred taxes, net		(16,769	)
Total identified assets and liabilities		102,456
Cash paid to Capella stockholders, net of cash acquired		177,410
Fair value of noncontrolling interest		21,895
Goodwill	$	96,849

Business Acquisition, Pro Forma Information [Table Text Block]

Pro Forma Results

The unaudited pro forma results would have been as follows, assuming the 2014 acquisitions had occurred as of January 1, 2013:

	Years ended December 31,
	2014		2013
Pro forma net revenues	$	2,522,010	$	2,446,503
Pro forma net earnings attributable to Vishay stockholders		114,510		128,252
Pro forma basic earnings per share attributable to Vishay stockholders	$	0.78	$	0.88
Pro forma diluted earnings per share attributable to Vishay stockholders	$	0.75	$	0.85