FAIR VALUE MEASUREMENTS, Contingent Consideration Level 3 Valuation Inputs (Details) $ in Thousands		Oct. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value		$ 71,136
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		71,136	$ 82,803	$ 62,286
FY2023 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		17,305
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		5,459
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		19,768
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		8,604
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		$ 20,000
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]	0.17
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		0.09
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		0.23
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]	0.06
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		0.01
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		0.11
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]	0.19
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		0.11
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		0.25
Measurement Input, Discount Rate [Member] | FY2023 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]	0.067
Measurement Input, Discount Rate [Member] | FY2023 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		0.067
Measurement Input, Discount Rate [Member] | FY2023 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		0.067
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]	0.092
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		0.092
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		0.092
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]	0.092
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		0.092
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		0.092
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]	0.099
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		0.099
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		0.099
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]	0.000
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		0.000
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		0.000

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