Restructuring Charges - Additional Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 31, 2019 USD ($) Plant	Oct. 31, 2018 USD ($) Plant	Oct. 31, 2019 USD ($) employee Plant	Oct. 31, 2018 USD ($) employee Plant	Oct. 31, 2017 USD ($) employee Plant
Restructuring and Related Cost [Abstract]
Restructuring charges	$ 5.8	$ 4.8	$ 26.1	$ 18.6	$ 12.7
Number of plants closed (plant) | Plant	12		12
Number of employees severed (employee) | employee			430	322	157
Amounts remaining to be incurred	$ 24.7		$ 24.7
Rigid Industrial Packaging & Services
Restructuring and Related Cost [Abstract]
Restructuring charges			18.8
Amounts remaining to be incurred	22.6		22.6
Rigid Industrial Packaging and Services and Flexible Products and Services
Restructuring and Related Cost [Abstract]
Number of plants closed (plant) | Plant		5		5	2
Employee Separation Costs
Restructuring and Related Cost [Abstract]
Restructuring charges			22.5	$ 14.8	$ 9.0
Employee Separation Costs | Rigid Industrial Packaging & Services
Restructuring and Related Cost [Abstract]
Restructuring charges			15.4
Amounts remaining to be incurred	16.9		16.9
Other Costs
Restructuring and Related Cost [Abstract]
Restructuring charges			3.6	$ 3.8	$ 3.7
Other Costs | Rigid Industrial Packaging & Services
Restructuring and Related Cost [Abstract]
Restructuring charges			3.4
Amounts remaining to be incurred	$ 5.7		$ 5.7