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v3.25.1

Schedule of Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 30, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 685,680 | $ 599,819 |
Cost of revenues | 265,074 | 255,625 |
Engineering and development | 107,605 | 93,236 |
Selling and marketing | 87,948 | 81,989 |
General and administrative | 43,149 | 41,167 |
Other segment items | 62,880 | 54,900 |
Income (loss) before taxes | 119,024 | 72,902 |
Total assets | 3,705,837 | 3,410,720 | $ 3,708,714
Property additions | 65,186 | 44,023 |
Depreciation and amortization expense | 30,302 | 28,120 |
Product Test |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 74,189 | 77,395 |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 685,680 | 599,819 |
Cost of revenues | 265,074 | 255,625 |
Engineering and development | 107,605 | 93,236 |
Selling and marketing | 87,948 | 81,989 |
General and administrative | 41,386 | 39,395 |
Other segment items | 56,406 | 46,709 |
Income (loss) before taxes | 127,261 | 82,865 |
Total assets | 2,345,121 | 2,321,469 |
Property additions | 65,186 | 44,023 |
Depreciation and amortization expense | 30,312 | 28,051 |
Operating Segments | Semiconductor Test |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 542,504 | 434,770 |
Cost of revenues | 202,747 | 192,894 |
Engineering and development | 80,211 | 65,649 |
Selling and marketing | 51,697 | 44,987 |
General and administrative | 26,552 | 21,062 |
Other segment items | 25,495 | 26,784 |
Income (loss) before taxes | 155,802 | 83,394 |
Total assets | 1,396,660 | 1,407,239 |
Property additions | 59,732 | 36,554 |
Depreciation and amortization expense | 22,865 | 19,871 |
Operating Segments | Robotics |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 68,987 | 87,654 |
Cost of revenues | 32,292 | 34,453 |
Engineering and development | 15,855 | 15,787 |
Selling and marketing | 24,514 | 24,821 |
General and administrative | 9,865 | 13,217 |
Other segment items | 23,638 | 13,422 |
Income (loss) before taxes | (37,177) | (14,046) |
Total assets | 742,621 | 721,318 |
Property additions | 2,676 | 5,713 |
Depreciation and amortization expense | 5,941 | 6,431 |
Operating Segments | Product Test |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 74,189 | 77,395 |
Cost of revenues | 30,035 | 28,278 |
Engineering and development | 11,539 | 11,800 |
Selling and marketing | 11,737 | 12,181 |
General and administrative | 4,969 | 5,116 |
Other segment items | 7,273 | 6,503 |
Income (loss) before taxes | 8,636 | 13,517 |
Total assets | 205,840 | 192,912 |
Property additions | 2,778 | 1,756 |
Depreciation and amortization expense | 1,506 | 1,749 |
Corporate And Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0 | 0 |
Cost of revenues |  |  |
Engineering and development |  |  |
Selling and marketing |  |  |
General and administrative | 1,763 | 1,772 |
Other segment items | 6,474 | 8,191 |
Income (loss) before taxes | (8,237) | (9,963) |
Total assets | 1,360,716 | 1,089,251 |
Property additions |  |  |
Depreciation and amortization expense | $ (10) | $ 69 |

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