XML 39 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Retirement Plans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Post-Retirement Benefit Plans |
Net Periodic Pension (Benefit) Cost | Teradyne’s net periodic postretirement benefit was comprised of the following:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, 2013 |  |  | July 1, 2012 |  |  | June 30, 2013 |  |  | July 1, 2012 |
|  | (in thousands) |
Service cost |  | $ | 21 |  |  | $ | 15 |  |  | $ | 37 |  |  | $ | 34 |
Interest cost |  |  | 84 |  |  |  | 108 |  |  |  | 171 |  |  |  | 219 |
Amortization of unrecognized prior service benefit |  |  | (150 | ) |  |  | (150 | ) |  |  | (299 | ) |  |  | (299 | )
Actuarial gain |  |  | (236 | ) |  |  | (92 | ) |  |  | (236 | ) |  |  | (92 | )
Total net periodic post-retirement benefit |  | $ | (281 | ) |  | $ | (119 | ) |  | $ | (327 | ) |  | $ | (138 | )
Defined Benefit Pension Plans |
Net Periodic Pension (Benefit) Cost | Net periodic pension (benefit) cost was comprised of the following:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, 2013 |  |  | July 1, 2012 |  |  | June 30, 2013 |  |  | July 1, 2012 |
|  | (in thousands) |
Service cost |  | $ | 852 |  |  | $ | 643 |  |  | $ | 1,686 |  |  | $ | 1,357 |
Interest cost |  |  | 3,281 |  |  |  | 4,125 |  |  |  | 6,575 |  |  |  | 8,185 |
Expected return on plan assets |  |  | (3,631 | ) |  |  | (4,082 | ) |  |  | (7,261 | ) |  |  | (8,164 | )
Amortization of unrecognized prior service cost |  |  | 41 |  |  |  | 58 |  |  |  | 82 |  |  |  | 116 |
Actuarial (gain) loss |  |  | (1,123 | ) |  |  | 3,146 |  |  |  | (1,047 | ) |  |  | 3,146 |
Total net periodic pension (benefit) cost |  | $ | (580 | ) |  | $ | 3,890 |  |  | $ | 35 |  |  | $ | 4,640 |

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration