Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue From Contract With Customer [Abstract]

Disaggregation of revenue

In the following tables, revenue is disaggregated by market sector. The tables also include a reconciliation of the disaggregated revenue with the reportable operating segments.

	Reportable Operating Segments
	Three Months Ended June 30, 2021
(in thousands)	Americas		Asia		Europe		Total
Market Sector:
Industrials	$	20,358	$	61,115	$	18,433	$	99,906
A&D		91,427		73		5,180		96,680
Medical		47,920		50,386		10,599		108,905
Semi-Cap		55,492		66,781		16,931		139,204
Computing		32,766		6,832		—		39,598
Telecommunications		32,007		28,222		140		60,369
External revenue		279,970		213,409		51,283		544,662
Elimination of intersegment sales		12,300		9,130		337		21,767
Segment revenue	$	292,270	$	222,539	$	51,620	$	566,429

	Six Months Ended June 30, 2021
(in thousands)	Americas		Asia		Europe		Total
Market Sector:
Industrials	$	41,354	$	116,525	$	37,479	$	195,358
A&D		174,914		73		11,074		186,061
Medical		95,344		91,170		30,581		217,095
Semi-Cap		104,358		115,542		32,414		252,314
Computing		68,104		15,180		—		83,284
Telecommunications		61,965		53,941		365		116,271
External revenue		546,039		392,431		111,913		1,050,383
Elimination of intersegment sales		23,069		18,412		587		42,068
Segment revenue	$	569,108	$	410,843	$	112,500	$	1,092,451

	Reportable Operating Segments
	Three Months Ended June 30, 2020
(in thousands)	Americas		Asia		Europe		Total
Market Sector:
Industrials	$	24,298	$	49,379	$	13,453	$	87,130
A&D		80,939		—		7,585		88,524
Medical		72,434		55,890		6,427		134,751
Semi-Cap		37,321		37,151		12,379		86,851
Computing		35,487		8,366		—		43,853
Telecommunications		21,020		28,789		48		49,857
External revenue		271,499		179,575		39,892		490,966
Elimination of intersegment sales		17,301		8,804		332		26,437
Segment revenue	$	288,800	$	188,379	$	40,224	$	517,403

	Six Months Ended June 30, 2020
(in thousands)	Americas		Asia		Europe		Total
Market Sector:
Industrials	$	58,243	$	97,604	$	34,109	$	189,956
A&D		193,951		—		13,773		207,724
Medical		141,813		100,093		10,821		252,727
Semi-Cap		67,770		74,443		27,358		169,571
Computing		65,561		14,893		—		80,454
Telecommunications		47,669		57,448		381		105,498
External revenue		575,007		344,481		86,442		1,005,930
Elimination of intersegment sales		28,189		15,507		782		44,478
Segment revenue	$	603,196	$	359,988	$	87,224	$	1,050,408

Significant Changes in Contract Assets

Significant changes in the contract asset balance during the period are as follows:

	Six Months Ended June 30,
(in thousands)	2021			2020
Beginning balance as of December 31	$	142,779		$	161,061
Revenue recognized		944,052			915,600
Amounts collected or invoiced		(932,202	)		(923,020	)
Ending balance as of June 30	$	154,629		$	153,641