Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Segment Reporting Information, by Segment

The following tables set forth business segment information:

	MOSFETs		Diodes		Optoelectronic Components		Resistors & Inductors		Capacitors		Total
Fiscal quarter ended March 31, 2018:
Product Sales	$	127,494	$	167,017	$	71,958	$	244,019	$	106,268	$	716,756
Royalty Revenues		12		-		-		27		-	$	39
Total Revenue	$	127,506	$	167,017	$	71,958	$	244,046	$	106,268	$	716,795

Gross Profit	$	32,022	$	43,200	$	27,233	$	78,530	$	24,315	$	205,300

Segment Operating Income	$	22,558	$	37,931	$	22,794	$	70,002	$	18,893	$	172,178

Fiscal quarter ended April 1, 2017:*
Product Sales	$	104,842	$	144,585	$	65,262	$	200,246	$	89,860	$	604,795
Royalty Revenues		-		-		-		6		-	$	6
Total Revenue	$	104,842	$	144,585	$	65,262	$	200,252	$	89,860	$	604,801

Gross Profit	$	20,717	$	38,162	$	22,442	$	61,215	$	19,213	$	161,749

Segment Operating Income	$	11,803	$	33,442	$	17,117	$	53,958	$	14,190	$	130,510

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

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

	Fiscal quarters ended
	March 31, 2018			April 1, 2017***
Reconciliation:
Segment Operating Income	$	172,178		$	130,510
Restructuring and Severance Costs		-			(1,469	)
Unallocated Selling, General, and Administrative Expenses		(68,116	)		(61,463	)
Consolidated Operating Income		104,062		$	67,578
Unallocated Other Income (Expense)		(12,043	)		(17,136	)
Consolidated Income Before Taxes	$	92,019			50,442

***Recast for the adoption of ASU 2017-07. See Note 1.

Disaggregation of Revenue [Table Text Block]

The Company has a broad line of products that it sells to OEMs, EMS companies, and independent distributors. The distribution of sales by customer type is shown below:

	Fiscal quarters ended				Years Ended December 31,
	March 31, 2018		April 1, 2017		2017		2016
Distributors	$	404,060	$	345,703	$	1,484,276	$	1,280,060
OEMs		264,050		214,647		931,291		861,322
EMS companies		48,685		44,451		183,801		175,946
Total Revenue	$	716,795	$	604,801	$	2,599,368	$	2,317,328

Net revenues were attributable to customers in the following regions:

	Fiscal quarters ended				Years Ended December 31,
	March 31, 2018		April 1, 2017		2017		2016
Asia	$	285,478	$	257,058	$	1,091,107	$	948,195
Europe		267,382		206,025		902,357		810,543
Americas		163,935		141,718		605,904		558,590
Total Revenue	$	716,795	$	604,801	$	2,599,368	$	2,317,328

The Company generates substantially all of its revenue from product sales to end customers in the industrial, automotive, telecommunications, computing, consumer products, power supplies, military and aerospace, and medical end markets. Sales by end market are presented below:

	Fiscal quarters ended				Years Ended December 31,
	March 31, 2018		April 1, 2017		2017		2016
Industrial	$	280,212	$	216,766	$	934,631	$	796,031
Automotive		208,394		175,343		727,220		640,767
Telecommunications		45,924		45,835		190,682		193,456
Computing		47,431		41,070		198,850		172,481
Consumer Products		37,259		29,607		145,243		150,741
Power Supplies		34,243		34,858		160,038		132,555
Military and Aerospace		35,214		33,176		132,898		128,523
Medical		28,118		28,146		109,806		102,774
Total revenue	$	716,795	$	604,801	$	2,599,368	$	2,317,328