- Summary of Changes in Carrying Amount of Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Goodwill [Roll Forward]
Goodwill beginning balance	$ 1,517.8	$ 776.0
Goodwill acquired	0.0	748.9
Goodwill allocated to divestitures and businesses held for sale	(36.3)	0.0
Goodwill adjustments	18.5	0.0
Currency translation	18.4	(7.1)
Goodwill ending balance	1,518.4	1,517.8
Accumulated goodwill impairment loss	63.3	63.3	$ 63.3
Rigid Industrial Packaging & Services
Goodwill [Roll Forward]
Goodwill beginning balance	731.7	716.5
Goodwill acquired	0.0	22.3
Goodwill allocated to divestitures and businesses held for sale	(0.7)
Goodwill adjustments	1.1	0.0
Currency translation	18.4	(7.1)
Goodwill ending balance	750.5	731.7
Accumulated goodwill impairment loss	13.0
Paper Packaging & Services
Goodwill [Roll Forward]
Goodwill beginning balance	786.1	59.5
Goodwill acquired		726.6
Goodwill allocated to divestitures and businesses held for sale	(35.6)	0.0
Goodwill adjustments	17.4	0.0
Currency translation	0.0	0.0
Goodwill ending balance	767.9	$ 786.1
Flexible Products & Services
Goodwill [Roll Forward]
Accumulated goodwill impairment loss	$ 50.3

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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