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ACQUISITIONS AND DIVESTITURES - Additional Information (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 11, 2019 USD ($) | Apr. 30, 2019 USD ($) | Apr. 30, 2018 USD ($) | Apr. 30, 2019 USD ($) | Apr. 30, 2018 USD ($) Divestiture | Oct. 31, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related costs |  | $ 13.8 | $ 0.0 | $ 16.4 | $ 0.2 |
Interest expense, net |  | 33.9 | 13.0 | 45.6 | 26.3 |
Net income |  | 21.1 | 51.9 | 56.9 | 112.0 |
Proceeds from divestitures |  |  |  |  | 0.5 |
Notes receivable recorded from sale of business |  |  | $ 2.9 |  | $ 2.9 |
Number Of divestitures (in divestitures) | Divestiture |  |  |  |  | 0 |
Long-term debt |  | 2,851.8 |  | 2,851.8 |  | $ 884.1
Other long-term assets |  | 93.9 |  | 93.9 |  | $ 100.4
Caraustar |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire business | $ 1,834.9 |  |  |  |  |
Acquisition-related cost | 62.0 |  |  |  |  |
Amount recognized in income statement |  |  |  | 35.2 |  |
Acquisition-related costs |  |  |  | 12.0 |  |
Debt extinguishment charges |  |  |  | 21.9 |  |
Interest expense, net |  |  |  | 1.3 |  |
Goodwill | 752.5 |  |  |  |  |
Sales attributable to Grief |  | 293.3 |  | 293.3 |  |
Net income attributable to Grief |  | 7.7 |  | 7.7 |  |
Long-term debt | 17.9 |  |  |  |  |
Other long-term assets | 8.9 |  |  |  |  |
Rigid Industrial Packaging & Services |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Loss on disposal |  |  |  | 1.7 |  |
Proceeds from divestitures |  |  |  | 0.8 | $ 0.9 |
Notes receivable recorded from sale of business |  | 2.4 |  | 2.4 |  |
Fair Value Adjustment to Inventory | Caraustar |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Properties, plants and equipment | $ 35.2 |  |  |  |  |
Net income |  |  |  |  | $ 9.0 |
Debt | Caraustar |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related cost |  | $ 26.8 |  | $ 26.8 |  |

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