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RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jan. 31, 2022 | Jan. 31, 2021
Restructuring and Related Costs [Line Items] |  |
Restructuring charges | $ 3.5 | $ 3.1
Amounts remaining to be incurred | 14.6 |
Employee Separation Costs |  |
Restructuring and Related Costs [Line Items] |  |
Restructuring charges | 1.6 |
Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Restructuring charges | $ 1.9 |

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