REVENUE, Contract Assets, Liabilities and Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 03, 2020	Apr. 28, 2019	May 03, 2020	Apr. 28, 2019	Oct. 31, 2019
Contract with Customer, Asset and Liability [Abstract]
Contract assets	$ 6,500		$ 6,500		$ 7,600
Contract liabilities current	10,700		10,700		$ 11,500
Contract liabilities non-current	5,000		5,000
Impairment loss on contract assets			0	$ 0
Provision for credit losses		$ 0		0
Change in Contract with Customer, Liability [Abstract]
Revenue from settlement of contract liabilities	$ 900	$ 500	$ 1,800	$ 1,200
Minimum [Member]
Change in Contract with Customer, Liability [Abstract]
Product invoice term			30 days
Product Warranty [Abstract]
Product warranty period			1 month
Maximum [Member]
Change in Contract with Customer, Liability [Abstract]
Product invoice term			90 days
Product Warranty [Abstract]
Product warranty period			24 months
IC [Member] | Minimum [Member]
Remaining Performance Obligations [Abstract]
Customer order, expected satisfaction period			1 day
IC [Member] | Maximum [Member]
Remaining Performance Obligations [Abstract]
Customer order, expected satisfaction period			14 days
FPD [Member] | Minimum [Member]
Remaining Performance Obligations [Abstract]
Customer order, expected satisfaction period			14 days
FPD [Member] | Maximum [Member]
Remaining Performance Obligations [Abstract]
Customer order, expected satisfaction period			21 days