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v3.24.3

Schedule of Segment Reporting Information by Segment Charges (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2024 | Oct. 01, 2023 | Sep. 29, 2024 | Oct. 01, 2023
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other—employee severance | $ 4,578 | $ 6,856 | $ 11,018 | $ 15,251
Semiconductor Test |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of revenues—inventory charge | 4,041 | 10,422 | 11,405 | 18,374
Restructuring and other—employee severance | 0 | 1,776 | 1,277 | 5,055
System Test |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of revenues—inventory charge | 0 | 0 | 1,016 | 1,412
Restructuring and other—employee severance | 0 | 0 | 0 | 1,124
Robotics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of revenues-legal settlement | 3,600 | 0 | 3,600 | 0
Cost of revenues—inventory charge | 537 | 652 | 1,071 | 2,203
Restructuring and other—employee severance | 1,110 | 636 | 2,647 | 2,707
Wireless |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of revenues—inventory charge | 1,204 | 0 | 2,024 | 1,080
Corporate And Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring and other-acquisition & divestiture related expenses | 0 | 0 | 2,214 | 0
Selling and administrative-equity modification | 0 | 0 | 1,469 | 5,889
Restructuring and other—employee severance | 0 | 1,753 | 0 | 2,877
Restructuring and other-contract termination | 0 | 1,511 | 0 | 1,511
Restructuring and other—other | $ 2,437 | $ 0 | $ 2,437 | $ 1,100

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- Definition Cost of revenues legal settlement. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Cost of revenues-provision for excess and obsolete inventory. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Restructuring and other charges related to contract termination. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Selling and administrative equity modification charge. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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Balance Type: | debit
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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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