XML 61 R128.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Revenues by Country (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers | $ 323,236 us-gaap_Revenues | [1],[2],[3] | $ 478,010 us-gaap_Revenues | [1],[4] | $ 525,567 us-gaap_Revenues | [1] | $ 321,010 us-gaap_Revenues | $ 285,301 us-gaap_Revenues | [5],[6] | $ 433,376 us-gaap_Revenues | $ 428,889 us-gaap_Revenues | $ 280,367 us-gaap_Revenues | $ 1,647,824 us-gaap_Revenues | [7] | $ 1,427,933 us-gaap_Revenues | [7] | $ 1,656,750 us-gaap_Revenues | [7]
TAIWAN, PROVINCE OF CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 495,942 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TW | [7] | 265,472 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TW | [7] | 299,359 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TW | [7]
CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 292,145 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CN | [7] | 323,564 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CN | [7] | 351,335 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CN | [7]
UNITED STATES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 213,104 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | [7] | 230,178 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | [7] | 238,280 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | [7]
KOREA, REPUBLIC OF |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 145,608 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KR | [7] | 119,286 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KR | [7] | 216,445 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KR | [7]
SINGAPORE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 119,421 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_SG | [7] | 114,765 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_SG | [7] | 101,502 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_SG | [7]
Europe |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 111,043 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | [7] | 90,797 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | [7] | 77,099 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | [7]
MALAYSIA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 83,910 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_MY | [7] | 86,900 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_MY | [7] | 69,064 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_MY | [7]
PHILIPPINES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 68,662 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_PH | [7] | 63,392 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_PH | [7] | 111,571 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_PH | [7]
JAPAN |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 63,761 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_JP | [7] | 81,806 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_JP | [7] | 100,807 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_JP | [7]
THAILAND |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | 44,117 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TH | [7] | 32,209 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TH | [7] | 80,518 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_TH | [7]
Rest Of The World |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from unaffiliated customers |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,111 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = ter_RestOfWorldMember | [7] | $ 19,564 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = ter_RestOfWorldMember | [7] | $ 10,770 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = ter_RestOfWorldMember | [7]
[1] | Dividends declared by Teradyne's Board of Directors were paid in each of the second, third and fourth quarters of 2014.
[2] | In the fourth quarter ended December 31, 2014, Teradyne recorded pension and post retirement net actuarial losses of $46.6 million. See Note B: "Accounting Policies" for a discussion of our accounting policy.
[3] | In the fourth quarter ended December 31, 2014, Teradyne recorded a goodwill impairment charge of $98.9 million in its Wireless Test segment.
[4] | Restructuring and other includes a $(0.6) million fair value adjustment to decrease the ZTEC acquisition contingent consideration.
[5] | Other (income) expense, net includes a $34.2 million gain from the sale of an equity investment.
[6] | In the fourth quarter ended December 31, 2013, Teradyne recorded pension and post retirement net actuarial gains of $9.0 million. See Note B: "Accounting Policies" for a discussion of our accounting policy.
[7] | Revenues attributable to a country are based on location of customer site.

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_KR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_MY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_PH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_SG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_TH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_TW
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=ter_RestOfWorldMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |