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v3.23.3

Income Taxes (Tables) | 9 Months Ended
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Oct. 01, 2023
Reconciliation of Effective Tax Rate | A reconciliation of the United States federal statutory corporate tax rate to Teradyne’s effective tax rate was as follows:
|  | For the Three Months Ended |  |  | For the Nine Months Ended |
|  | October 1, 2023 |  |  | October 2, 2022 |  |  | October 1, 2023 |  |  | October 2, 2022 |
U.S. statutory federal tax rate |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | %
Non-deductible officers' compensation |  |  | 1.3 |  |  |  | 1.8 |  |  |  | 1.1 |  |  |  | 1.4 |
Tax credits |  |  | (4.9 | ) |  |  | (2.1 | ) |  |  | (3.4 | ) |  |  | (1.9 | )
International provisions of the U.S. Tax Cuts and Jobs Act of 2017 |  |  | (3.4 | ) |  |  | (1.4 | ) |  |  | (3.0 | ) |  |  | (1.2 | )
Foreign taxes |  |  | (0.6 | ) |  |  | (0.6 | ) |  |  | (0.8 | ) |  |  | (2.4 | )
Discrete expense related to foreign currency gain or loss |  |  | 0.9 |  |  |  | 0.1 |  |  |  | 0.8 |  |  |  | 0.4 |
Discrete benefit related to tax credits |  |  | (4.4 | ) |  |  | — |  |  |  | (1.6 | ) |  |  | — |
Discrete benefit related to equity compensation |  |  | (0.3 | ) |  |  | (0.1 | ) |  |  | (1.0 | ) |  |  | (1.9 | )
Other, net |  |  | 1.6 |  |  |  | 0.2 |  |  |  | 0.9 |  |  |  | 0.4 |
Effective tax rate |  |  | 11.2 | % |  |  | 18.9 | % |  |  | 14.0 | % |  |  | 15.8 | %

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 12 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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Balance Type: | na
Period Type: | duration