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	3 Months Ended			9 Months Ended
	Aug. 02, 2020	Feb. 02, 2020	Jul. 28, 2019	Aug. 02, 2020	Jul. 28, 2019
Pensions
Defined Benefit Plan Disclosure
Expenses related to defined benefit plans	$ 1.1		$ 0.3	$ 1.7	$ 0.5
Health Care and Life Insurance
Defined Benefit Plan Disclosure
Expenses related to defined benefit plans	$ 1.7		$ 0.7	$ 8.3	$ 3.3
Health Care and Life Insurance \| Voluntary Employee-Separation Programs
Defined Benefit Plan Disclosure
Curtailments		$ 3.3