Restructuring Charges - Reconciliation of Total Amounts Expected to be Incurred from Open Restructuring Plans Anticipated to be Realized (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	$ 27.6		$ 27.6
Restructuring charges	4.0	$ 9.0	12.7	$ 26.9	$ 40.0
Amounts remaining to be incurred	14.9		14.9
Employee Separation Costs
Restructuring and Related Cost [Abstract]
Restructuring charges			9.0	16.7	27.8
Other Restructuring Costs
Restructuring and Related Cost [Abstract]
Restructuring charges			3.7	$ 10.2	$ 12.2
Rigid Industrial Packaging & Services
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	24.7		24.7
Restructuring charges			11.2
Amounts remaining to be incurred	13.5		13.5
Rigid Industrial Packaging & Services | Employee Separation Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	20.3		20.3
Restructuring charges			8.0
Amounts remaining to be incurred	12.3		12.3
Rigid Industrial Packaging & Services | Other Restructuring Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	4.4		4.4
Restructuring charges			3.2
Amounts remaining to be incurred	1.2		1.2
Flexible Products & Services
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	2.6		2.6
Restructuring charges			1.2
Amounts remaining to be incurred	1.4		1.4
Flexible Products & Services | Employee Separation Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	1.2		1.2
Restructuring charges			0.7
Amounts remaining to be incurred	0.5		0.5
Flexible Products & Services | Other Restructuring Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	1.4		1.4
Restructuring charges			0.5
Amounts remaining to be incurred	0.9		0.9
Paper Packaging & Services
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	0.3		0.3
Restructuring charges			0.3
Amounts remaining to be incurred	0.0		0.0
Paper Packaging & Services | Employee Separation Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	0.3		0.3
Restructuring charges			0.3
Amounts remaining to be incurred	0.0		0.0
Paper Packaging & Services | Other Restructuring Costs
Restructuring and Related Cost [Abstract]
Total amounts expected to be incurred	0.0		0.0
Restructuring charges			0.0
Amounts remaining to be incurred	$ 0.0		$ 0.0