REVENUE, Contract Assets, Liabilities and Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 02, 2020	Jul. 28, 2019	Aug. 02, 2020	Jul. 28, 2019	Oct. 31, 2019
Contract with Customer, Asset and Liability [Abstract]
Contract assets	$ 5,600		$ 5,600		$ 7,600
Contract liabilities current	8,800		8,800		$ 11,500
Contract liabilities non-current	5,200		5,200
Impairment loss on contract assets			0	$ 0
Change in Contract with Customer, Liability [Abstract]
Revenue from settlement of contract liabilities	$ 1,900	$ 800	$ 2,300	$ 1,100
Minimum [Member]
Revenue, Performance Obligation [Abstract]
Product invoice term			30 days
Product warranty period			1 month
Maximum [Member]
Revenue, Performance Obligation [Abstract]
Product invoice term			90 days
Product warranty period			24 months
IC [Member] | Minimum [Member]
Backlog of Orders [Abstract]
Customer order, expected satisfaction period			7 days
IC [Member] | Maximum [Member]
Backlog of Orders [Abstract]
Customer order, expected satisfaction period			14 days
FPD [Member] | Minimum [Member]
Backlog of Orders [Abstract]
Customer order, expected satisfaction period			14 days
FPD [Member] | Maximum [Member]
Backlog of Orders [Abstract]
Customer order, expected satisfaction period			21 days