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Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2013

Defined Benefit Pension Plans

Net Periodic Pension Cost

Teradyne’s net periodic pension cost was comprised of the following:

		For the Three Months Ended
		March 31, 2013				April 1, 2012
		(in thousands)
Service cost		$	834			$	722
Interest cost			3,294				4,083
Expected return on plan assets			(3,630	)			(4,087	)
Amortization of unrecognized prior service cost			41				58
Settlement loss			76				—
Total net periodic pension cost		$	615			$	776

Post-Retirement Benefit Plans

Net Periodic Pension Cost

Teradyne’s net periodic postretirement benefit was comprised of the following:

		For the Three Months Ended
		March 31, 2013				April, 2012
		(in thousands)
Service cost		$	16			$	19
Interest cost			87				110
Amortization of unrecognized prior service benefit			(150	)			(150	)
Total net periodic postretirement benefit		$	(47	)		$	(21	)

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- 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=21915506&loc=d3e1928-114920

+ Details

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