Amount of net periodic benefit cost (credit) for defined benefit plan.

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Name:	us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Pension and Other Postretirement Benefits - Defined Benefit Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 01, 2020	Nov. 03, 2019	Oct. 28, 2018
Pensions
Defined Benefit Plan Disclosure
Expenses related to defined benefit plans	$ 2.3	$ 0.7	$ 6.2
Health Care and Life Insurance
Defined Benefit Plan Disclosure
Expenses related to defined benefit plans	12.3	$ 4.3	$ 2.5
Health Care and Life Insurance \| 2020 Employee-Separation Programs
Defined Benefit Plan Disclosure
Curtailments	$ 5.5