XML 95 R83.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Schedule of Operating Lease, Maturity (Parenthetical) (Detail) $ in Millions | Dec. 31, 2023 USD ($)
--- | ---
Leases, Operating [Abstract] |
Lease liabilities classified as liabilities held for sale | $ 2.5

X
- Definition Lease liabilities classified as liabilities held for sale. + References No definition available. + Details
Name: | ter_LeaseLiabilitiesClassifiedAsLiabilitiesHeldForSale
Namespace Prefix: | ter_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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