XML 26 R77.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Segment Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Apr. 05, 2015 | Mar. 30, 2014
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 342,401 us-gaap_Revenues |  | $ 321,010 us-gaap_Revenues |
Income (loss) before taxes | 42,438 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | [1],[2] | (1,873)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | [1],[2]
Semiconductor Test |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 270,917 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_SemiconductorTestMember |  | 261,737 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_SemiconductorTestMember |
Income (loss) before taxes | 43,125 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_SemiconductorTestMember | [1],[2] | 34,600 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_SemiconductorTestMember | [1],[2]
Wireless Test |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 34,048 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_WirelessTestMember |  | 21,210 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_WirelessTestMember |
Income (loss) before taxes | (10,441)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_WirelessTestMember | [1],[2] | (25,085)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_WirelessTestMember | [1],[2]
System Test |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 37,436 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_SystemsTestGroupMember |  | 38,063 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ter_SystemsTestGroupMember |
Income (loss) before taxes | 1,005 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_SystemsTestGroupMember | [1],[2] | 448 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_SystemsTestGroupMember | [1],[2]
Corporate And Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) before taxes | $ 8,749 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_CorporateAndEliminationsMember | [1],[2] | $ (11,836)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ter_CorporateAndEliminationsMember | [1],[2]
[1] | Interest income, interest expense, and other (income) expense, net are included in Corporate and Eliminations.
[2] | Included in the income (loss) before income taxes for each of the segments are charges related to inventory and other.

X
- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ter_CorporateAndEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ter_SemiconductorTestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ter_SystemsTestGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ter_WirelessTestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |