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Operating Segment, Geographic and Significant Customer Information (Tables)

12 Months Ended

Dec. 31, 2022

Segment Information

Segment information for the years ended December 31, 2022, 2021, and 2020 is as follows:

		Semiconductor Test				System Test				Robotics				Wireless Test				Corporate and Eliminations				Consolidated
		(in thousands)
2022
Revenues		$	2,080,590			$	469,346			$	403,138			$	201,720			$	251			$	3,155,045
Income (loss) before taxes (1)(2)			634,488				166,879				(16,244	)			66,820				(11,558	)			840,385
Total assets (3)			1,382,623				165,925				665,638				94,298				1,192,768				3,501,252
Property additions			126,898				7,275				25,712				3,364				—				163,249
Depreciation and amortization expense			76,532				3,235				25,339				4,991				578				110,675
2021
Revenues		$	2,642,342			$	467,739			$	375,905			$	216,895			$	—			$	3,702,881
Income (loss) before taxes (1)(2)			976,988				163,064				(8,167	)			83,543				(54,473	)			1,160,955
Total assets (3)			1,245,596				170,954				701,196				107,513				1,584,166				3,809,425
Property additions			115,618				3,905				9,821				3,128				—				132,472
Depreciation and amortization expense			75,982				3,156				27,336				6,055				12,956				125,485
2020
Revenues		$	2,259,597			$	409,729			$	279,731			$	173,016			$	(604	)		$	3,121,469
Income (loss) before taxes (1)(2)			739,695				152,092				(24,019	)			41,950				(8,703	)			901,015
Total assets (3)			1,070,378				138,295				712,936				106,273				1,624,464				3,652,346
Property additions			168,055				3,092				8,899				4,931				—				184,977
Depreciation and amortization expense			64,998				3,426				36,242				6,258				15,819				126,743

(1) Included in Corporate and Eliminations are interest income, interest expense, net foreign exchange gains (losses), intercompany eliminations, pension and postretirement plan actuarial gains (losses), legal and environmental fees, contingent consideration adjustments, acquisition related charges and compensation and loss on convertible debt conversions in 2021. 

(2) Included in income (loss) before taxes are charges and credits related to restructuring and other, inventory charges and loss on convertible debt conversions in 2021.

(3) Total assets are attributable to each segment. Corporate assets consist of cash and cash equivalents, marketable securities and certain other assets.

Schedule of Segment Reporting Information by Segment Charges

Included in each segment are charges and credits in the following line items in the statements of operations:

		For the Years Ended December 31,
		2022				2021				2020
		(in thousands)
Semiconductor Test:
Cost of revenues—inventory charge		$	21,456			$	6,661			$	11,013
Contract termination settlement fee			—				—				4,000
System Test:
Cost of revenues—inventory charge		$	1,730			$	641			$	887
Robotics:
Cost of revenues—inventory charge		$	3,668			$	6,403			$	834
Restructuring and other—employee severance			2,115				1,210				1,584
Restructuring and other—acquisition related expenses and compensation			—				1,000				985
Wireless Test:
Cost of revenues—inventory charge		$	4,598			$	1,770			$	4,800
Corporate and Eliminations:
Restructuring and other—legal settlement charge		$	14,700			$	12,000			$	—
Restructuring and other—environmental and legal liabilities			2,700				1,971				—
Restructuring and other—gain on sale of asset			(3,410	)			—				—
Other (income) expense, net—loss on convertible debt conversion			—				28,828				—
Restructuring and other—AutoGuide contingent consideration adjustment			—				(7,227	)			(19,724	)
Restructuring and other—MiR contingent consideration adjustment			—				—				(3,546	)
Restructuring and other—acquisition related expenses and compensation			—				(513	)			1,728
Selling and administrative—equity modification charge			—				—				766

Revenues by Country

Information as to Teradyne’s revenues by country is as follows:

		2022				2021				2020
		(in thousands)
Revenues from customers (1):
Taiwan		$	626,424			$	1,117,874			$	1,178,068
Korea			544,816				502,167				391,571
China			491,798				631,963				465,722
United States			469,948				392,626				321,674
Europe			268,384				259,954				205,587
Japan			162,920				166,231				143,983
Malaysia			142,203				136,774				56,096
Thailand			137,356				138,812				138,787
Philippines			124,107				166,838				68,887
Singapore			99,503				121,582				76,460
Rest of the World			87,586				68,060				74,634
		$	3,155,045			$	3,702,881			$	3,121,469

(1) Revenues attributable to a country are based on location of customer site.

Long-Lived Assets by Geographic Area

		United States				Foreign				Total
		(in thousands)
December 31, 2022		$	328,341			$	164,076			$	492,417
December 31, 2021		$	308,438			$	147,609			$	456,047

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