Employee Benefit Plans (Plan Assets Allocation) (Details)	Oct. 27, 2019	Oct. 28, 2018
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Plan assets — allocation	36.00%	47.00%
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Plan assets — allocation	45.00%	32.00%
Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Plan assets — allocation	9.00%	10.00%
Other investments
Defined Benefit Plan Disclosure [Line Items]
Plan assets — allocation	10.00%	10.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Plan assets — allocation	0.00%	1.00%