XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Retirement Plans (Tables) | 6 Months Ended
--- | ---
Jul. 01, 2018
Defined Benefit Pension Plans |
Net Periodic Pension and Postretirement benefit Cost (Income) | For the three and six months ended July 1, 2018 and July 2, 2017, Teradyne’s net periodic pension cost was comprised of the following:
|  | For the Three Months Ended |
|  | July 1, 2018 |  |  | July 2, 2017 |
|  | United States |  |  | Foreign |  |  | United States |  |  | Foreign |
|  | (in thousands) |
Service cost |  | $ | 545 |  |  | $ | 200 |  |  | $ | 560 |  |  | $ | 206 |
Interest cost |  |  | 2,430 |  |  |  | 175 |  |  |  | 3,264 |  |  |  | 179 |
Expected return on plan assets |  |  | (2,550 | ) |  |  | (5 | ) |  |  | (3,004 | ) |  |  | (6 | )
Amortization of prior service cost |  |  | 14 |  |  |  | — |  |  |  | 18 |  |  |  | 243 |
Net actuarial gain |  |  | (189 | ) |  |  | — |  |  |  | (2,732 | ) |  |  | — |
Settlement loss |  |  | 78 |  |  |  | — |  |  |  | — |  |  |  | — |
Total net periodic pension cost (benefit) |  | $ | 328 |  |  | $ | 370 |  |  | $ | (1,894 | ) |  | $ | 622 |
|  | For the Six Months Ended |
|  | July 1, 2018 |  |  | July 2, 2017 |
|  | United States |  |  | Foreign |  |  | United States |  |  | Foreign |
|  | (in thousands) |
Service cost |  | $ | 1,116 |  |  | $ | 426 |  |  | $ | 1,120 |  |  | $ | 392 |
Interest cost |  |  | 5,427 |  |  |  | 372 |  |  |  | 6,576 |  |  |  | 342 |
Expected return on plan assets |  |  | (5,919 | ) |  |  | (10 | ) |  |  | (6,004 | ) |  |  | (12 | )
Amortization of prior service cost |  |  | 29 |  |  |  | — |  |  |  | 35 |  |  |  | — |
Net actuarial gain |  |  | (189 | ) |  |  | — |  |  |  | (2,732 | ) |  |  | 243 |
Settlement loss |  |  | 78 |  |  |  | — |  |  |  | — |  |  |  | — |
Total net periodic pension cost (benefit) |  | $ | 542 |  |  | $ | 788 |  |  | $ | (1,005 | ) |  | $ | 965 |
Postretirement Benefit Plans |
Net Periodic Pension and Postretirement benefit Cost (Income) | For the three and six months ended July 1, 2018 and July 2, 2017, Teradyne’s net periodic postretirement benefit cost (income) was comprised of the following:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 1, 2018 |  |  | July 2, 2017 |  |  | July 1, 2018 |  |  | July 2, 2017 |
|  | (in thousands) |
Service cost |  | $ | 10 |  |  | $ | 7 |  |  | $ | 19 |  |  | $ | 17 |
Interest cost |  |  | 48 |  |  |  | 50 |  |  |  | 98 |  |  |  | 100 |
Amortization of prior service credit |  |  | (93 | ) |  |  | (124 | ) |  |  | (187 | ) |  |  | (248 | )
Net actuarial loss (gain) |  |  | 40 |  |  |  | (15 | ) |  |  | 40 |  |  |  | (15 | )
Special termination benefits |  |  | 1,192 |  |  |  | — |  |  |  | 2,818 |  |  |  | — |
Total net periodic postretirement benefit cost (income) |  | $ | 1,197 |  |  | $ | (82 | ) |  | $ | 2,788 |  |  | $ | (146 | )

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |