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Retirement Plans (Tables)

9 Months Ended

Oct. 01, 2023

Defined Benefit Pension Plans

Net Periodic Pension and Postretirement Benefit Costs

For the three and nine months ended October 1, 2023 and October 2, 2022, Teradyne’s net periodic pension cost was comprised of the following:

		For the Three Months Ended
		October 1, 2023								October 2, 2022
		United States				Foreign				United States				Foreign
		(in thousands)
Service cost		$	272			$	107			$	397			$	153
Interest cost			1,713				253				1,222				96
Expected return on plan assets			(1,286	)			(11	)			(732	)			(16	)
Net actuarial loss			—				66				—				—
Settlement loss			—				5				—				—
Total net periodic pension cost		$	699			$	420			$	887			$	233

		For the Nine Months Ended
		October 1, 2023								October 2, 2022
		United States				Foreign				United States				Foreign
		(in thousands)
Service cost		$	815			$	320			$	1,191			$	539
Interest cost			5,138				762				3,665				333
Expected return on plan assets			(3,856	)			(28	)			(2,195	)			(54	)
Net actuarial loss (gain)			24				66				(45	)			—
Settlement loss			—				5				—				—
Total net periodic pension cost		$	2,121			$	1,125			$	2,616			$	818

Postretirement Benefit Plans

Net Periodic Pension and Postretirement Benefit Costs

For the three and nine months ended October 1, 2023 and October 2, 2022, Teradyne’s net periodic postretirement benefit cost was comprised of the following:

		For the Three Months  Ended								For the Nine Months  Ended
		October 1, 2023				October 2, 2022				October 1, 2023				October 2, 2022
		(in thousands)
Service cost		$	9			$	16			$	26			$	48
Interest cost			60				44				181				132
Amortization of prior service credit			(2	)			(2	)			(7	)			(7	)
Special termination benefits			1,423				—				1,792				—
Net actuarial loss			—				—				30				54
Total net periodic postretirement benefit cost		$	1,490			$	58			$	2,022			$	227

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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://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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