Total deferred revenue and customer advances.

No definition available.

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- Definition

Deferred revenue and customer advances maintenance service and training.

+ References

No definition available.

+ Details

Name:	ter_DeferredRevenueAndCustomerAdvancesMaintenanceServiceAndTraining
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- Definition

Deferred revenue and customer advances undelivered elements and other.

+ References

No definition available.

+ Details

Name:	ter_DeferredRevenueAndCustomerAdvancesUndeliveredElementsAndOther
Namespace Prefix:	ter_
Data Type:	xbrli:monetaryItemType
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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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- Definition

Amount as of the balance sheet date of the aggregate extended product warranty liability. Does not include the ending balance for the standard product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

+ Details

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Deferred Revenue and Customer Advances (Detail) - USD ($) $ in Thousands	Jul. 02, 2023	Apr. 02, 2023	Dec. 31, 2022	Jul. 03, 2022	Apr. 02, 2022	Dec. 31, 2021
Deferred Revenue Arrangement
Maintenance, service and training	$ 68,282		$ 78,089
Customer advances, undelivered elements and other	46,380		59,147
Extended warranty	44,422	$ 49,343	56,180	$ 65,791	$ 65,726	$ 64,168
Total deferred revenue and customer advances	$ 159,084		$ 193,416