GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Changes in Carrying Amount of Goodwill by Segment (Details) $ in Millions	6 Months Ended
Apr. 30, 2019 USD ($)
Goodwill [Roll Forward]
October 31, 2018	$ 776.0
Goodwill acquired	752.5
Currency translation	(5.9)
April 30, 2019	1,522.6
Rigid Industrial Packaging & Services
Goodwill [Roll Forward]
October 31, 2018	716.5
Goodwill acquired	0.0
Currency translation	(5.9)
April 30, 2019	710.6
Paper Packaging & Services
Goodwill [Roll Forward]
October 31, 2018	59.5
Goodwill acquired	752.5
Currency translation	0.0
April 30, 2019	$ 812.0

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 increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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