GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Changes in Carrying Amount of Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Goodwill [Roll Forward]
Goodwill beginning balance	$ 1,464.5	$ 1,515.4
Currency translation	15.5	(50.9)
Goodwill acquired	235.5
Goodwill allocated to divestitures	(22.5)
Goodwill ending balance	1,693.0	1,464.5
Accumulated goodwill impairment loss	63.3	63.3	$ 63.3
Global Industrial Packaging
Goodwill [Roll Forward]
Goodwill beginning balance	696.6	747.3
Currency translation	15.6	(50.7)
Goodwill acquired	175.4
Goodwill allocated to divestitures	0.0
Goodwill ending balance	887.6	696.6
Paper Packaging & Services
Goodwill [Roll Forward]
Goodwill beginning balance	767.9	768.1
Currency translation	(0.1)	(0.2)
Goodwill acquired	60.1
Goodwill allocated to divestitures	(22.5)
Goodwill ending balance	$ 805.4	$ 767.9