REVENUE (Details Textuals) $ in Millions	3 Months Ended	6 Months Ended
	Apr. 30, 2019 USD ($)	Apr. 30, 2019 USD ($)
Revenue from Contract with Customer [Abstract]
Liability, Revenue Recognized	$ 3.1	$ 12.1
Expected Timing of Satisfaction, Start Date [Axis]: 2019-05-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount	$ 114.3	$ 114.3
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	6 months	6 months
Expected Timing of Satisfaction, Start Date [Axis]: 2019-05-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount	$ 344.4	$ 344.4
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year 1 day	1 year 1 day
Expected Timing of Satisfaction, Start Date [Axis]: 2019-11-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount	$ 230.1	$ 230.1
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year 6 months	1 year 6 months