Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017
Valuation Allowance [Line Items]
Capital loss carryforwards		$ 12,900
Operating loss period		3 years
Net deferred tax assets, valuation allowance		$ 118,559	$ 134,195
Unrecognized tax benefits that would affect effective tax rate		500	1,500
Accrued interest and penalties		100	200
Reversal of reserves on uncertain tax provisions		$ 1,100	$ 1,300
Federal statutory income tax rate		23.40%
Tax Cuts and Jobs Act of 2017, decrease of deferred tax assets		$ 26,800
Scenario, Forecast
Valuation Allowance [Line Items]
Federal statutory income tax rate	21.00%
U.S. Federal
Valuation Allowance [Line Items]
Net operating loss carryforwards		187,500
Tax credits		51,300
U.S. State
Valuation Allowance [Line Items]
Net operating loss carryforwards		224,100
International
Valuation Allowance [Line Items]
Net operating loss carryforwards		$ 9,100
Domestic and certain Non-Domestic
Valuation Allowance [Line Items]
Operating loss period		3 years