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Pension, Postretirement and Postemployment Defined Benefit Plans (Tables)

6 Months Ended

Mar. 26, 2023

Retirement Benefits [Abstract]

Schedule of Net Periodic Pension and Postretirement Cost (Benefit) Components

The net periodic pension and postretirement cost (benefit) components for our plans are as follows:

PENSION PLANS			Three months ended						Six months ended
(Thousands of Dollars)			March 26, 2023			March 27, 2022			March 26, 2023			March 27, 2022
Service cost for benefits earned during the period			5			287			10			743
Interest cost on projected benefit obligation			2,592			2,001			5,184			3,938
Expected return on plan assets			(2,548)			(4,535)			(5,096)			(9,071)
Amortization of net (gain) loss			2			(687)			4			(1,946)
Amortization of prior service benefit			213			212			426			212
Curtailment gain			—			—			—			(1,027)
Pension cost (benefit)			264			(2,722)			528			(7,151)

POSTRETIREMENT MEDICAL PLANS			Three months ended						Six months ended
(Thousands of Dollars)			March 26, 2023			March 27, 2022			March 26, 2023			March 27, 2022
Service cost for benefits earned during the period			17			27			34			54
Interest cost on projected benefit obligation			149			85			298			170
Expected return on plan assets			(295)			(263)			(590)			(526)
Amortization of net gain			(254)			(249)			(508)			(498)
Amortization of prior service benefit			(162)			(162)			(324)			(324)
Postretirement medical benefit			(545)			(562)			(1,090)			(1,124)

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- References

No definition available.

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- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2439-114920

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2410-114920

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920

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