Acquisition and Divestiture Activities (Tables)

9 Months Ended

Sep. 27, 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		(17,626	)
Total identifiable assets and liabilities		101,599
Cash paid to Capella stockholders, net of cash aquired		177,410
Fair value of noncontrolling interest		21,895
Goodwill	$	97,706

Business Acquisition, Pro Forma Information [Table Text Block]

Pro Forma Results

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

	Fiscal quarters ended				Nine fiscal months ended
	September 27, 2014		September 28, 2013		September 27, 2014		September 28, 2013
Pro forma net revenues	$	643,917	$	619,580	$	1,911,246	$	1,817,633
Pro forma net earnings attributable to Vishay stockholders		26,688		33,182		85,713		98,200
Pro forma basic earnings per share attributable to Vishay stockholders	$	0.18	$	0.23	$	0.58	$	0.68
Pro forma diluted earnings per share attributable to Vishay stockholders	$	0.17	$	0.22	$	0.56	$	0.65