GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Changes in Carrying Amount of Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Goodwill [Roll Forward]
Goodwill beginning balance	$ 1,518.4	$ 1,517.8
Goodwill allocated to divestitures and businesses held for sale	(0.4)	(36.3)
Goodwill adjustments related to acquisitions	(0.2)	18.5
Currency translation	(2.4)	18.4
Goodwill ending balance	1,515.4	1,518.4
Accumulated goodwill impairment loss	63.3	63.3	$ 63.3
Global Industrial Packaging
Goodwill [Roll Forward]
Goodwill beginning balance	750.5	731.7
Goodwill allocated to divestitures and businesses held for sale	(0.4)	(0.7)
Goodwill adjustments related to acquisitions	(0.2)	1.1
Currency translation	(2.6)	18.4
Goodwill ending balance	747.3	750.5
Paper Packaging & Services
Goodwill [Roll Forward]
Goodwill beginning balance	767.9	786.1
Goodwill allocated to divestitures and businesses held for sale	0.0	(35.6)
Goodwill adjustments related to acquisitions	0.0	17.4
Currency translation	0.2	0.0
Goodwill ending balance	$ 768.1	$ 767.9

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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