XML 43 R43.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Components of Intangible Assets and Their Estimated Useful Lives at Acquisition Date (Detail) - USD ($) $ in Thousands | Jun. 11, 2015 | Oct. 31, 2014
--- | --- | ---
Avionics Interface Technologies, LLC |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 9,080
Total intangible assets, estimated useful life, years |  | 4 years 9 months 18 days
Avionics Interface Technologies, LLC | Customer Relationships |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 5,630
Total intangible assets, estimated useful life, years |  | 5 years
Avionics Interface Technologies, LLC | Developed technology |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 2,580
Total intangible assets, estimated useful life, years |  | 4 years 9 months 18 days
Avionics Interface Technologies, LLC | Trademarks and tradenames |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 380
Total intangible assets, estimated useful life, years |  | 5 years
Avionics Interface Technologies, LLC | Non-compete Agreements |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 320
Total intangible assets, estimated useful life, years |  | 4 years
Avionics Interface Technologies, LLC | Customer order backlog |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value |  | $ 170
Total intangible assets, estimated useful life, years |  | 3 months 18 days
Universal Robots |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value | $ 119,950 |
Total intangible assets, estimated useful life, years | 5 years 7 months 6 days |
Universal Robots | Customer Relationships |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value | $ 9,380 |
Total intangible assets, estimated useful life, years | 2 years |
Universal Robots | Developed technology |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value | $ 88,890 |
Total intangible assets, estimated useful life, years | 4 years 10 months 24 days |
Universal Robots | Trademarks and tradenames |  |
Business Acquisition [Line Items] |  |
Total intangible assets, fair value | $ 21,680 |
Total intangible assets, estimated useful life, years | 10 years |

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
Name: | us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=ter_AvionicsInterfaceTechnologiesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OrderOrProductionBacklogMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=ter_UniversalRobotsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |