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Retirement Plans (Tables)

3 Months Ended

Apr. 02, 2017

Defined Benefit Pension Plans

Net Periodic Pension and Postretirement Cost (Income)

For the three months ended April 2, 2017 and April 3, 2016, Teradyne’s net periodic pension cost (income) was comprised of the following:

		For the Three Months Ended
		April 2, 2017								April 3, 2016
		United States				Foreign				United States				Foreign
		(in thousands)
Service cost		$	560			$	185			$	576			$	207
Interest cost			3,312				163				3,414				206
Expected return on plan assets			(3,000	)			(6	)			(3,443	)			(5	)
Amortization of prior service cost			18				—				24				—
Net actuarial gain			—				—				(1,193	)			—
Settlement			—				—				—				(239	)
Total net periodic pension cost (income)		$	890			$	342			$	(622	)		$	169

Postretirement Benefit Plans

Net Periodic Pension and Postretirement Cost (Income)

For the three months ended April 2, 2017 and April 3, 2016, Teradyne’s net periodic postretirement income was comprised of the following:

		For the Three Months Ended
		April 2,				April 3,
		2017				2016
		(in thousands)
Service cost		$	10			$	10
Interest cost			50				56
Amortization of prior service benefit			(124	)			(150	)
Total net periodic post-retirement benefit		$	(64	)		$	(84	)

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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=65897934&loc=d3e1928-114920

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