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CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES (Details) $ in Millions | 30 Months Ended |  |  |
--- | --- | --- | --- | ---
Apr. 30, 2019 facility | Apr. 30, 2020 USD ($) | Oct. 31, 2019 USD ($) | Mar. 03, 2016 USD ($)
Site Contingency [Line Items] |  |  |  |
Number of reconditioning facilities subject to litigation | facility | 3 |  |  |
Environmental liability reserves |  | $ 18.6 | $ 18.7 | $ 1,380.0
Diamond Alkali |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 11.2 |  |
European Drum Facilities |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 3.2 | 3.3 |
Life Cycle Management and Recycling Facilities |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 0.1 | 0.1 |
Owned by Other Company |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 0.1 | 0.3 |
Paper Packaging And Services, Landfill |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 2.0 | 2.0 |
Paper Packaging & Services |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 0.4 | 0.0 |
Other Facilities |  |  |  |
Site Contingency [Line Items] |  |  |  |
Environmental liability reserves |  | 1.6 | 1.8 |
Wrongful Termination Lawsuits | Pending Litigation |  |  |  |
Site Contingency [Line Items] |  |  |  |
Estimated liability recorded for legal proceedings |  | $ 0.6 | $ 0.6 |

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