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v3.23.3

Schedule of Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 01, 2023 | Oct. 02, 2022 | Oct. 01, 2023 | Oct. 02, 2022 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  | $ 703,732 | [1] | $ 827,073 | [1] | $ 2,005,699 | [2] | $ 2,423,209 | [2] |
Income (loss) before income taxes | [3],[4] | 144,280 |  | 226,197 |  | 385,767 |  | 645,148 |  |
Total assets |  | 3,370,655 | [5] | 3,319,906 | [5] | 3,370,655 | [5] | 3,319,906 | [5] | $ 3,501,252
Semiconductor Test |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  | 497,863 |  | 575,704 |  | 1,387,580 |  | 1,599,392 |  |
Income (loss) before income taxes | [3],[4] | 136,451 |  | 182,625 |  | 361,676 |  | 510,112 |  |
Total assets | [5] | 1,382,444 |  | 1,366,478 |  | 1,382,444 |  | 1,366,478 |  |
System Test |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  | 83,203 | [1] | 116,154 | [1] | 252,106 | [2] | 369,525 | [2] |
Income (loss) before income taxes | [3],[4] | 23,754 |  | 40,201 |  | 67,629 |  | 135,566 |  |
Total assets | [5] | 178,904 |  | 192,684 |  | 178,904 |  | 192,684 |  |
Robotics |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  | 85,692 |  | 89,067 |  | 246,541 |  | 292,772 |  |
Income (loss) before income taxes | [3],[4] | (21,812) |  | (3,992) |  | (66,704) |  | (15,496) |  |
Total assets | [5] | 684,207 |  | 614,558 |  | 684,207 |  | 614,558 |  |
Wireless Test |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  | 36,974 | [1] | 46,148 | [1] | 119,472 | [2] | 161,520 | [2] |
Income (loss) before income taxes | [3],[4] | 9,469 |  | 12,647 |  | 30,841 |  | 56,659 |  |
Total assets | [5] | 92,514 |  | 110,484 |  | 92,514 |  | 110,484 |  |
Corporate and Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes | [3],[4] | (3,582) |  | (5,284) |  | 7,675 |  | (41,693) |  |
Total assets | [5] | $ 1,032,586 |  | $ 1,035,702 |  | $ 1,032,586 |  | $ 1,035,702 |  |
[1] | Includes $1.4 million and $1.8 million in 2023 and 2022, respectively, for leases of Teradyne’s systems recognized outside Accounting Standards Codification (“ASC”) 606 “Revenue from Contracts with Customers.”
[2] | Includes $3.9 mi llion and $5.9 million in 2023 and 2022, respectively, for leases of Teradyne’s systems recognized outside ASC 606 “Revenue from Contracts with Customers.”
[3] | Included in Corporate and Eliminations are: interest income, interest expense, net foreign exchange gains (losses), intercompany eliminations, legal and environmental fees, severance charges, pension, contract termination settlement charge and an expense for the modification of Teradyne’s former chief executive officer’s outstanding equity awards.
[4] | Included in income (loss) before taxes are charges related to restructuring and other, and inventory charges.
[5] | Total assets are attributable to each segment. Corporate assets consist of cash and cash equivalents, marketable securities, and certain other assets.

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