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v3.22.1

Schedule of Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 03, 2022 | Apr. 04, 2021 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | [1] | $ 755,370 |  | $ 781,606 |  |
Income (loss) before income taxes | [2],[3] | 180,359 |  | 223,993 |  |
Total assets |  | 3,609,154 | [4] | 3,719,717 | [4] | $ 3,809,425
Semiconductor Test |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 482,341 |  | 528,063 |  |
Income (loss) before income taxes | [2],[3] | 149,705 |  | 176,368 |  |
Total assets | [4] | 1,296,070 |  | 1,243,358 |  |
System Test |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | [1] | 118,668 |  | 132,837 |  |
Income (loss) before income taxes | [2],[3] | 41,322 |  | 51,061 |  |
Total assets | [4] | 187,283 |  | 179,195 |  |
Industrial Automation |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | 103,189 |  | 79,951 |  |
Income (loss) before income taxes | [2],[3] | (5,098) |  | (12,967) |  |
Total assets | [4] | 675,560 |  | 672,596 |  |
Wireless Test |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | [1] | 51,518 |  | 40,898 |  |
Income (loss) before income taxes | [2],[3] | 18,619 |  | 9,616 |  |
Total assets | [4] | 113,821 |  | 104,367 |  |
Corporate And Eliminations |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues |  | (346) |  | (143) |  |
Income (loss) before income taxes | [2],[3] | (24,189) |  | (85) |  |
Total assets | [4] | $ 1,336,420 |  | $ 1,520,201 |  |
[1] | Includes $3.1 million and $3.1 million in 2022 and 2021, respectively, for leases of Teradyne’s systems recognized outside Accounting Standards Codification (“ASC”) 606 “Revenue from Contracts with Customers.”
[2] | Included in Corporate and Eliminations are: legal fees, contingent consideration fair value adjustments, interest income, interest expense, severance charges, net foreign exchange gains (losses), acquisition related charges and compensation, intercompany eliminations and for the three months ended April 4, 2021, loss on convertible debt conversions.
[3] | Included in income (loss) before taxes are charges and credits related to restructuring and other, inventory charges and, for the three months ended April 4, 2021, loss on convertible debt conversions.
[4] | 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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