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Number of divestitures.

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The amount of assets reported by an equity method investment of the entity.

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The number of businesses acquired by the entity during the period.

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Acquisitions and Divestitures - Additional Information (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)	Oct. 31, 2018 USD ($) liquidation Divestiture Acquisition	Oct. 31, 2017 USD ($) liquidation	Oct. 31, 2017 USD ($)	Oct. 31, 2017 USD ($) Divestiture	Oct. 31, 2017 USD ($)	Oct. 31, 2017 USD ($) deconsolidation	Oct. 31, 2017 USD ($) Acquisition	Oct. 31, 2016 USD ($) Divestiture deconsolidation Acquisition	May 23, 2005 USD ($)	Mar. 28, 2005 USD ($)
Business Acquisition [Line Items]
Number of divestitures (business) \| Divestiture			0			2				4
Number of acquisitions (acquisition) \| Acquisition			0						0	0
Number of deconsolidations				2				2		1
Gain (loss) on disposal of businesses, net			$ 0.8		$ (1.7)					$ (14.5)
Proceeds from divestiture and deconsolidation			$ 0.5		5.1
Approximate value of sale agreement											$ 51.0	$ 90.0
Gain (Loss) on sale of business	$ (0.9)	$ 3.9
Maximum
Business Acquisition [Line Items]
Notes receivable term			6 months
Notes Receivable
Business Acquisition [Line Items]
Approximate value of sale agreement	$ 2.9	4.3	$ 2.9	$ 4.3	4.3	$ 4.3	$ 4.3	$ 4.3	$ 4.3
2015 Divestiture
Business Acquisition [Line Items]
Proceeds from divestiture and deconsolidation			$ 0.9		0.8
2016 Divestiture
Business Acquisition [Line Items]
Gain (loss) on disposal of businesses, net										(14.5)
Approximate value of sale agreement										24.1
Notes receivables related to sale of business										2.4
Gain (Loss) on sale of business										(3.6)
Deconsolidation of Earthminded Benelux, NV
Business Acquisition [Line Items]
Approximate value of sale agreement		0.3		0.3	0.3	0.3	$ 0.3	0.3	0.3
Gain (Loss) on sale of business					18.1					$ 18.1
Ownership percent sold of Earthminded Benelux, NV							51.00%
Fair value of retained noncontrolling interest		0.3		0.3	0.3	0.3	$ 0.3	0.3	0.3
Carrying value of former subsidiary net assets		$ 18.7		$ 18.7	$ 18.7	$ 18.7	$ 18.7	$ 18.7	$ 18.7
Rigid Industrial Packaging & Services
Business Acquisition [Line Items]
Number of divestitures (business) \| Divestiture						2				3
Number of deconsolidations \| deconsolidation								1
Number of subsidiaries liquidated \| liquidation			2	2
Flexible Products & Services
Business Acquisition [Line Items]
Number of divestitures (business) \| Divestiture										1
Number of deconsolidations \| deconsolidation								1