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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2024
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 Six Months Ended |
|  | June 30, 2024 |  |  | July 2, 2023 |  |  | June 30, 2024 |  |  | July 2, 2023 |
U.S. statutory federal tax rate |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | %
Tax credits |  |  | (2.7 | ) |  |  | (2.4 | ) |  |  | (2.8 | ) |  |  | (2.4 | )
Foreign taxes |  |  | (2.5 | ) |  |  | (1.0 | ) |  |  | (2.4 | ) |  |  | (0.8 | )
International provisions of the U.S. Tax Cuts and Jobs Act of 2017 |  |  | (1.0 | ) |  |  | (2.5 | ) |  |  | (1.3 | ) |  |  | (2.8 | )
Discrete benefit related to equity compensation |  |  | (0.6 | ) |  |  | (0.1 | ) |  |  | (0.7 | ) |  |  | (1.4 | )
Other, net |  |  | 0.9 |  |  |  | 1.9 |  |  |  | 0.5 |  |  |  | 2.1 |
Effective tax rate |  |  | 15.1 | % |  |  | 16.9 | % |  |  | 14.3 | % |  |  | 15.7 | %

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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://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
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