REVENUE (Details Textuals) $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)
REVENUE [Abstract]
Contract with Customer, Liability, Revenue Recognized	$ 900	$ 17,400
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-08-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 363,800	$ 363,800
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year 1 day	1 year 1 day
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-08-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 84,300	$ 84,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	3 months	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-11-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 279,500	$ 279,500
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	3 months 1 day	3 months 1 day