XML 47 R40.htm IDEA: XBRL DOCUMENT
v3.25.1

Product Warranty (Tables) | 3 Months Ended
--- | ---
Mar. 30, 2025
Product Warranties Disclosures [Abstract] |
Other Accrued Liabilities | Related costs are charged to the warranty accrual as incurred. The balance below is included in other accrued liabilities.
|  | For the Three Months Ended |
|  | March 30, 2025 |  |  | March 31, 2024 |
|  | (in thousands) |
Balance at beginning of period |  | $ | 12,962 |  |  | $ | 15,698 |
Accruals for warranties issued during the period |  |  | 5,946 |  |  |  | 3,259 |
Accruals related to pre-existing warranties |  |  | (552 | ) |  |  | (683 | )
Settlements made during the period |  |  | (5,280 | ) |  |  | (2,950 | )
Balance at end of period |  | $ | 13,076 |  |  | $ | 15,324 |
Extended Product Warranty of Short and Long-Term Deferred Revenue and Customer Advances | Related costs are expensed as incurred. The balance below is included in short and long-term deferred revenue and customer advances.
|  | For the Three Months Ended |
|  | March 30, 2025 |  |  | March 31, 2024 |
|  | (in thousands) |
Balance at beginning of period |  | $ | 41,624 |  |  | $ | 34,897 |
Deferral of new extended warranty revenue |  |  | 7,938 |  |  |  | 6,914 |
Recognition of extended warranty deferred revenue |  |  | (5,250 | ) |  |  | (7,302 | )
Balance at end of period |  | $ | 44,312 |  |  | $ | 34,509 |

X
- Definition Schedule of extended product warranty liability. + References No definition available. + Details
Name: | ter_ScheduleOfExtendedProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | ter_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration