Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated Revenue by Primary Geographical Market, Major Product Line and Timing of Revenue Recognition

The following table provides information about disaggregated revenue by timing of revenue recognition, primary geographical market, and major product lines.

	Semiconductor Test				Industrial Automation								System Test		Wireless Test		Corporate and Other			Total
	System on-a-chip		Memory		Universal Robots		Mobile Industrial Robots		AutoGuide		Energid
	(in thousands)
For the Year Ended December 31, 2019 (1)
Timing of Revenue Recognition
Point in Time	$	1,070,375	$	247,221	$	244,515	$	44,329	$	1,144	$	—	$	237,686	$	148,322	$	(515	)	$	1,993,077
Over Time		216,065		18,910		3,952		74		234		3,891		49,769		8,993		—			301,888
Total	$	1,286,440	$	266,131	$	248,467	$	44,403	$	1,378	$	3,891	$	287,455	$	157,315	$	(515	)	$	2,294,965
Geographical Market
Asia Pacific	$	1,152,881	$	238,714	$	67,806	$	9,513	$	—	$	221	$	132,826	$	126,549	$	—		$	1,728,510
Americas		73,257		23,826		70,165		14,438		1,378		1,761		129,840		24,234		(515	)		338,384
Europe, Middle East and Africa		60,302		3,591		110,496		20,452		—		1,909		24,789		6,532		—			228,071
Total	$	1,286,440	$	266,131	$	248,467	$	44,403	$	1,378	$	3,891	$	287,455	$	157,315	$	(515	)	$	2,294,965
For the Year Ended December 31, 2018 (1)
Timing of Revenue Recognition
Point in Time	$	1,010,493	$	259,366	$	231,895	$	24,115	$	—	$	553	$	167,418	$	122,536	$	(1,205	)	$	1,815,171
Over Time		208,456		14,102		2,200		—		—		2,689		48,714		9,470		—			285,631
Total	$	1,218,949	$	273,468	$	234,095	$	24,115	$	—	$	3,242	$	216,132	$	132,006	$	(1,205	)	$	2,100,802
Geographical Market
Asia Pacific	$	1,067,879	$	245,264	$	58,381	$	5,950	$	—	$	111	$	90,989	$	107,872	$	—		$	1,576,446
Americas		78,498		17,353		68,938		7,326		—		1,540		96,763		19,166		(1,205	)		288,379
Europe, Middle East and Africa		72,572		10,851		106,776		10,839		—		1,591		28,380		4,968		—			235,977
Total	$	1,218,949	$	273,468	$	234,095	$	24,115	$	—	$	3,242	$	216,132	$	132,006	$	(1,205	)	$	2,100,802

(1) Includes $8.4 million and $12.0 million in 2019 and 2018, respectively, for leases of Teradyne’s systems recognized outside of ASC 606: “Revenue from Contracts with Customers.”