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Operating Segment, Geographic and Significant Customer Information (Tables) | 12 Months Ended
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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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