FAIR VALUE MEASUREMENTS FAIR VALUE MEASURMENTS - Fair value of assets and liabilities measured on non recurring (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2018 |
Oct. 31, 2017 |
Oct. 31, 2016 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Carrying value of long-lived asset | $ 21,000,000 | $ 4,000,000 | |
| Long lived assets held for use impairment | 21,000,000 | $ 0 | 4,000,000 |
| Fair value of assets, nonrecurring | 0 | 0 | |
| Long lived assets held for sale Impairment | $ 0 | $ 0 | 0 |
| In Process Research and Development [Member] | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Long lived assets held for use impairment | $ 4,000,000 | ||