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v3.24.2.u1

Debt (Tables) | 6 Months Ended
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Jun. 30, 2024
Schedule of Interest Expense on Teradyne's Senior Notes | The interest expense on Teradyne's senior notes for three and six months ended July 2, 2023, was as follows:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, 2024 |  |  | July 2, 2023 |  |  | June 30, 2024 |  |  | July 2, 2023 |
|  | (in thousands) |  |  | (in thousands) |
Contractual interest expense on the coupon |  | $ | — |  |  | $ | 100 |  |  | $ | — |  |  | $ | 238 |
Amortization of debt issuance fees recognized as interest expense |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 113 |
Total interest expense on the convertible debt |  | $ | — |  |  | $ | 100 |  |  | $ | — |  |  | $ | 351 |

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- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration