Summary of Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Quarterly Financial Information (Unaudited) [Abstract]

Schedule of Retrospective Adoption of New Accounting Pronouncements [Table Text Block]

Note 1 – Summary of Significant Accounting Policies (continued)

The retrospective adoption of ASUs 2014-09 and 2017-07 did not impact net earnings (loss) attributed to Vishay stockholders.  See the combined impact of the retrospective adoption for the 2017 fiscal quarters in Note 21 and for the years ended December 31, 2017 and 2016 in the table below:

	Years ended
	December 31, 2016									December 31, 2017
	As Reported			Adjustments			Recast			As Reported			Adjustments			Recast
Net revenues	$	2,323,431		$	(6,103	)	$	2,317,328		$	2,603,522		$	(4,154	)	$	2,599,368
Costs of products sold		1,753,648			(10,142	)		1,743,506			1,903,910			(7,651	)		1,896,259
Gross profit		569,783			4,039			573,822			699,612			3,497			703,109
Operating income		101,717			95,341			197,058			311,588			12,417			324,005
Total other income (expense)		(7,501	)		(95,341	)		(102,842	)		(32,224	)		(12,417	)		(44,641	)
Income before taxes		94,216			-			94,216			279,364			-			279,364
Income tax expense		44,843			-			44,843			298,924			-			298,924
Net earnings (loss)		49,373			-			49,373			(19,560	)		-			(19,560	)
Less: net earnings attributable to noncontrolling interests		581			-			581			784			-			784
Net earnings (loss) attributable to Vishay stockholders	$	48,792		$	-		$	48,792		$	(20,344	)	$	-		$	(20,344	)

Note 21 – Summary of Quarterly Financial Information (Unaudited) (continued)

The retrospective adoption of ASUs 2014-09 and 2017-07 did not impact net earnings (loss) attributed to Vishay stockholders.  See the combined impact of the retrospective adoption in the tables below:

	Fiscal quarters ended
	April 1, 2017									July 1, 2017									September 30, 2017									December 31, 2017
	As Reported			Adjustments			Recast			As Reported			Adjustments			Recast			As Reported			Adjustments			Recast			As Reported			Adjustments			Recast
Net revenues	$	606,258		$	(1,457	)	$	604,801		$	644,892		$	(1,728	)	$	643,164		$	677,883		$	58		$	677,941		$	674,489		$	(1,027	)	$	673,462
Costs of products sold		445,383			(2,331	)		443,052			471,929			(2,602	)		469,327			488,610			(816	)		487,794			497,988			(1,902	)		496,086
Gross profit		160,875			874			161,749			172,963			874			173,837			189,273			874			190,147			176,501			875			177,376
Operating income		64,688			2,890			67,578			82,036			2,969			85,005			92,328			3,088			95,416			72,536			3,470			76,006
Total other income (expense)		(14,246	)		(2,890	)		(17,136	)		(6,327	)		(2,969	)		(9,296	)		(6,140	)		(3,088	)		(9,228	)		(5,511	)		(3,470	)		(8,981	)
Income before taxes		50,442			-			50,442			75,709			-			75,709			86,188			-			86,188			67,025			-			67,025
Income tax expense		13,493			-			13,493			19,300			-			19,300			21,605			-			21,605			244,526			-			244,526
Net earnings (loss)		36,949			-			36,949			56,409			-			56,409			64,583			-			64,583			(177,501	)		-			(177,501	)
Less: net earnings attributable to noncontrolling interests		230			-			230			219			-			219			179			-			179			156			-			156
Net earnings (loss) attributable to Vishay stockholders	$	36,719		$	-		$	36,719		$	56,190		$	-		$	56,190		$	64,404		$	-		$	64,404		$	(177,657	)	$	-		$	(177,657	)

Quarterly Financial Information

	2018										2017*
	First		Second			Third		Fourth			First			Second			Third			Fourth
Statement of Operations data:
Net revenues	$	716,795	$	761,030		$	780,972	$	775,892		$	604,801		$	643,164		$	677,941		$	673,462
Gross profit		205,300		227,238			236,296		219,690			161,749			173,837			190,147			177,376
Operating income (loss)		104,062		123,293			138,098		119,667			67,578			85,005			95,416			76,006
Net earnings (loss)		62,545		103,262			78,071		102,659			36,949			56,409			64,583			(177,501	)
Net earnings (loss) attributable to noncontrolling interests		179		165			195		240			230			219			179			156
Net earnings (loss) attributable to Vishay stockholders		62,366		103,097			77,876		102,419			36,719			56,190			64,404			(177,657	)
Per Share data:
Basic earnings (loss) per share attributable to Vishay stockholders (a)	$	0.43	$	0.71		$	0.54	$	0.71		$	0.25		$	0.38		$	0.44		$	(1.23	)
Diluted earnings (loss) per share attributable to Vishay stockholders (a)	$	0.39	$	0.65		$	0.51	$	0.69		$	0.24		$	0.36		$	0.41		$	(1.23	)
Certain Items Recorded during the Quarters:
Operating income (loss):
Restructuring and severance costs	$	-	$	-		$	-	$	-		$	1,469		$	481		$	3,244		$	6,079
Other income (expense):
Loss on disposal of equity affiliate	$	-	$	-		$	-	$	-		$	(7,060	)	$	-		$	-		$	948
Loss on early extinguishment of debt		-		(17,309	)		-		(9,274	)		-			-			-			-
Income tax expense:
Enactment of TCJA	$	-	$	12,000		$	13,496	$	-		$	-		$	-		$	-		$	234,855
Change in deferred taxes due to early extinguishment of debt		-		(33,963	)		-		(20,914	)		-			-			-			-
Tax effects of cash repatriation program		1,316		(9,006	)		680		(3,037	)		(968	)		(1,240	)		(892	)		(2,702	)
Tax effects of changes in uncertain tax positions		-		-			-		-			-			-			(804	)		2,369
Quarter end date (b)	March 31		June 30			September 29		December 31			April 1			July 1			September 30			December 31

* Recast for the retrospective adoption of ASUs 2014-09 and 2017-07.  See Note 1.

(a) May not add due to differences in weighted average share counts.

(b) The Company reports interim financial information for 13-week periods beginning on a Sunday and ending on a Saturday, except for the first fiscal quarter, which always begins on January 1, and the fourth fiscal quarter, which always ends on December 31.