REVENUE (Details Textuals) $ in Thousands	3 Months Ended	6 Months Ended
	Apr. 30, 2020 USD ($)	Apr. 30, 2020 USD ($)
REVENUE [Abstract]
Contract with Customer, Liability, Revenue Recognized	$ 3,100	$ 16,500
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-05-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 394,400	$ 394,400
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]: 2020-05-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 168,000	$ 168,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	6 months	6 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	$ 226,400	$ 226,400
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	6 months 1 day	6 months 1 day