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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.

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