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Retirement Benefits (Tables)

6 Months Ended

Jun. 25, 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												Six Months Ended
			June 25, 2021						June 26, 2020						June 25, 2021						June 26, 2020
Pension Benefits
Service cost			$	2,724					$	2,193					$	5,445					$	4,615
Interest cost			2,976						3,227						5,957						6,634
Expected return on assets			(5,131)						(4,651)						(10,261)						(9,401)
Amortization and other			2,555						2,517						5,106						5,238
Net periodic benefit cost			$	3,124					$	3,286					$	6,247					$	7,086
Postretirement Medical
Service cost			$	175					$	130					$	350					$	305
Interest cost			250						260						500						508
Amortization			250						190						500						367
Net periodic benefit cost			$	675					$	580					$	1,350					$	1,180

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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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