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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | TERADYNE, INC. SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
Column A |  | Column B |  |  | Column C |  |  | Column D |  |  | Column E |  |  | Column F |
Description |  | Balance at Beginning of Period |  |  | Additions Charged to Cost and Expenses |  |  | Other |  |  | Deductions |  |  | Balance at End of Period |
|  | (in thousands) |
Valuation reserve deducted in the balance sheet from the asset to which it applies: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 Allowance for credit losses |  | $ | 1,955 |  |  | $ | 301 |  |  | $ | 23 |  |  | $ | 291 |  |  | $ | 1,988 |
2022 Allowance for credit losses |  | $ | 2,012 |  |  | $ | 500 |  |  | $ | (6 | ) |  | $ | 551 |  |  | $ | 1,955 |
2021 Allowance for credit losses |  | $ | 2,034 |  |  | $ | 500 |  |  | $ | (27 | ) |  | $ | 495 |  |  | $ | 2,012 |
Column A |  | Column B |  |  | Column C |  |  | Column D |  |  | Column E |  |  | Column F |
Description |  | Balance at Beginning of Period |  |  | Additions Charged to Cost and Expenses |  |  | Other |  |  | Deductions |  |  | Balance at End of Period |
|  | (in thousands) |
Valuation reserve deducted in the balance sheet from the asset to which it applies: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred taxes: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2023 Valuation allowance |  | $ | 103,807 |  |  | $ | 5,759 |  |  | $ | 59 |  |  | $ | 374 |  |  | $ | 109,251 |
2022 Valuation allowance |  | $ | 97,170 |  |  | $ | 7,652 |  |  | $ | 21 |  |  | $ | 1,036 |  |  | $ | 103,807 |
2021 Valuation allowance |  | $ | 84,962 |  |  | $ | 13,502 |  |  | $ | — |  |  | $ | 1,294 |  |  | $ | 97,170 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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- References No definition available. + Details
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