Segment Information (Tables)

3 Months Ended

Mar. 29, 2026

Segment Information

Segment information for the three months ended March 29, 2026, and March 30, 2025, is as follows:

	Semiconductor Test		Robotics			Product Test		Total Reportable Segments		Corporate and Eliminations			Consolidated
	(in thousands)
Three months ended March 29, 2026
Revenues	$	1,110,801	$	91,258		$	80,435	$	1,282,494	$	—		$	1,282,494
Less:
Cost of revenues		413,855		45,185			34,564		493,604		—			493,604
Engineering and development		93,296		12,262			14,339		119,897		—			119,897
Selling and marketing		63,831		21,188			13,113		98,132		—			98,132
General and administrative		26,839		8,758			6,486		42,083		—			42,083
Other segment items (1)(2)		44,928		4,829			7,226		56,983		6,119			63,102
Income (loss) before taxes (2)		468,052		(964	)		4,707		471,795		(6,119	)		465,676
Total assets (3)		2,087,713		692,054			356,238		3,136,005		1,297,822			4,433,827
Property additions		58,493		2,831			3,409		64,733		—			64,733
Depreciation and amortization expense		24,689		4,327			3,565		32,581		74			32,655
Three months ended March 30, 2025
Revenues	$	542,504	$	68,987		$	74,189	$	685,680	$	—		$	685,680
Less:
Cost of revenues		202,747		32,292			30,035		265,074		—			265,074
Engineering and development		80,211		15,855			11,539		107,605		—			107,605
Selling and marketing		51,697		24,514			11,737		87,948		—			87,948
General and administrative		26,552		9,865			4,969		41,386		—			41,386
Other segment items (1)(2)		25,495		23,638			7,273		56,406		8,237			64,643
Income (loss) before taxes (2)		155,802		(37,177	)		8,636		127,261		(8,237	)		119,024
Total assets (3)		1,396,660		742,621			205,840		2,345,121		1,360,716			3,705,837
Property additions		59,732		2,676			2,778		65,186		—			65,186
Depreciation and amortization expense		22,865		5,941			1,506		30,312		(10	)		30,302

(1)For each reportable segment, the other segment items category includes equity and variable compensation, acquired intangible assets amortization, inventory step-up, and restructuring and other charges.

(2)Included in Corporate and Eliminations are interest income, interest expense, net foreign exchange gains (losses), intercompany eliminations, severance charges, pension and postretirement plan actuarial gains (losses), acquisition and divestiture related expenses, and ERP implementation related costs.

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