FAIR VALUE MEASUREMENTS, Contingent Consideration Level 3 Valuation Inputs (Details) $ in Thousands		Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		$ 82,803
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		82,803	$ 62,286	$ 41,974
FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		6,308
FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		12,739
FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		9,127
FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		17,957
FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		17,723
FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		$ 18,949
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.14
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.17
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.03
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.05
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.03
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [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] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.08
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.08
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [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] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.10
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.22
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.15
Measurement Input, Long-term Revenue Growth Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.24
Measurement Input, Long-term Revenue Growth Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.03
Measurement Input, Long-term Revenue Growth Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0
Measurement Input, Long-term Revenue Growth Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.05
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 2 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.085
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.074
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.074
Measurement Input, Discount Rate [Member] | FY2022 Acquisition Subsidiary 3 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.074
Measurement Input, Discount Rate [Member] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.086
Measurement Input, Discount Rate [Member] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.085
Measurement Input, Discount Rate [Member] | FY2021 Acquisition Subsidiary 1 | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.090
Measurement Input, Discount Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.090
Measurement Input, Discount Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.090
Measurement Input, Discount Rate [Member] | FY2020 Acquisition Subsidiary 1 [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.090
Measurement Input, Discount Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	[1]	0.059
Measurement Input, Discount Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.059
Measurement Input, Discount Rate [Member] | FY 2017 Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.059

[1] Unobservable inputs were weighted by the relative fair value of the contingent consideration liability.