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Retirement Benefits (Tables)

9 Months Ended

Sep. 24, 2021

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												Nine Months Ended
			September 24, 2021						September 25, 2020						September 24, 2021						September 25, 2020
Pension Benefits
Service cost			$	1,674					$	2,392					$	7,119					$	7,007
Interest cost			2,519						3,351						8,476						9,985
Expected return on assets			(5,412)						(4,706)						(15,673)						(14,107)
Amortization and other			2,148						2,777						7,254						8,015
Net periodic benefit cost			$	929					$	3,814					$	7,176					$	10,900
Postretirement Medical
Service cost			$	153					$	152					$	503					$	457
Interest cost			124						254						624						762
Amortization			252						183						752						550
Net periodic benefit cost			$	529					$	589					$	1,879					$	1,769

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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