Income Taxes - Valuation Allowance of Gross Deferred Tax Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Nov. 03, 2018
Valuation allowance against gross deferred tax assets:
Valuation allowance, beginning balance	$ 135,978	$ 142,650	$ 185,898
Additions	25,749	27,459	23,720
Deductions	10,300	34,131	66,968
Valuation allowance, ending balance	$ 151,427	$ 135,978	$ 142,650