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Retirement Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for retirement benefit plans were as follows (in thousands):

			Three Months Ended												Six Months Ended
			June 30, 2023						July 1, 2022						June 30, 2023						July 1, 2022
Pension Benefits
Service cost			$	1,467					$	1,964					$	2,931					$	4,134
Interest cost			3,798						2,766						7,575						5,504
Expected return on assets			(3,980)						(4,777)						(7,955)						(9,579)
Amortization and other			415						1,419						855						2,495
Net periodic benefit cost			$	1,700					$	1,372					$	3,406					$	2,554
Postretirement Medical
Service cost			$	100					$	83					$	200					$	258
Interest cost			210						195						420						420
Amortization			90						(2)						180						173
Net periodic benefit cost			$	400					$	276					$	800					$	851

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- References

No definition available.

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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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