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Pension and Other Post-retirement Benefits - Actuarial Gains and Losses (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Oct. 25, 2020
Pension Benefits
Amounts recognized in accumulated other comprehensive loss
Unrecognized Prior Service Credit	$ (3,624)	$ (2,128)
Unrecognized Actuarial Losses	(305,433)	(402,289)
Post-retirement Benefits
Amounts recognized in accumulated other comprehensive loss
Unrecognized Prior Service Credit	(154)	514
Unrecognized Actuarial Losses	$ (35,616)	$ (36,144)

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- References

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (j)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580

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Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (j)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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