Pension and Other Post-retirement Benefits - Assumptions (Details) - Pension Benefits	12 Months Ended
Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018
Weighted-average assumptions used to determine benefit obligations
Discount Rate	3.06%	3.37%
Rate of Future Compensation Increase (For Plans that Base Benefits on Final Compensation Level)	4.09%	4.06%
Weighted-average assumptions used to determine net periodic benefit costs
Discount Rate	3.37%	4.55%	3.91%
Rate of Future Compensation Increase (For Plans that Base Benefits on Final Compensation Level)	4.06%	3.96%	3.95%
Expected Long-term Return on Plan Assets	7.00%	7.15%	7.30%

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ 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 (k)(3)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2919-114920

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

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