Pension and Other Post-retirement Benefits - Change in Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017
Pension Benefits
Change in Benefit Obligation
Benefit Obligation at Beginning of Year	$ 1,350,903	$ 1,460,098
Service Cost	26,042	31,612	$ 30,256
Interest Cost	60,385	56,196	54,263
Actuarial (Gain) Loss	241,694	(134,924)
Plan Amendments	8,086	0
Curtailment (Gain) Loss	(513)	0
Participant Contributions	0	0
Medicare Part D Subsidy	0	0
Benefits Paid	(70,420)	(62,079)
Benefit Obligation at End of Year	1,616,177	1,350,903	1,460,098
Post-retirement Benefits
Change in Benefit Obligation
Benefit Obligation at Beginning of Year	272,272	304,683
Service Cost	690	980	1,106
Interest Cost	12,016	11,169	11,630
Actuarial (Gain) Loss	24,912	(24,515)
Plan Amendments	0	0
Curtailment (Gain) Loss	1,839	0
Participant Contributions	2,302	2,232
Medicare Part D Subsidy	662	768
Benefits Paid	(23,747)	(23,045)
Benefit Obligation at End of Year	$ 290,946	$ 272,272	$ 304,683

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Amount of contributions received by defined benefit plan from participant which increase benefit obligation.

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Amount, before benefit payment, of receipt from prescription drug subsidy which increases benefit obligation of defined benefit postretirement plan.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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