REVENUE (Details Textuals) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2019	Jul. 31, 2019
Revenue from Contract with Customer [Abstract]
Liability, Revenue Recognized	$ 16.5
Expected Timing of Satisfaction, Start Date [Axis]: 2019-11-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount	$ 453.6
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year 1 day
Expected Timing of Satisfaction, Start Date [Axis]: 2019-11-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount		$ 275.7
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Expected Timing of Satisfaction, Start Date [Axis]: 2020-11-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining Performance Obligation, Amount		$ 177.9
Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year 1 day