FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Level 3 Valuation Inputs) (Details) - Fair Value, Inputs, Level 3 [Member]	Apr. 30, 2020
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2019 Acquisition [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	(0.07)
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2019 Acquisition [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.09
Measurement Input, Long-term Revenue Growth Rate [Member] | FY 2017 Acquisition [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	(0.03)
Measurement Input, Long-term Revenue Growth Rate [Member] | FY 2017 Acquisition [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.10
Measurement Input, Discount Rate [Member] | FY2019 Acquisition [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.043
Measurement Input, Discount Rate [Member] | FY 2017 Acquisition [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.034