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DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details) - VIE - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2019 | Oct. 31, 2019 | Jan. 31, 2019
Description of the Business |  |  |
Gain on grant of utility easement | $ 2.2 |  |
Cost of property, plant and equipment |  | $ 6.4 | $ 2.1
Total amounts of notes receivable due from VIE | $ 5.1 | $ 5.1 | $ 2.1

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