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Number of divestitures.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Description of the facts and circumstances leading to the completed or expected disposal, and the manner and timing of that disposal.

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

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Acquisitions and Divestitures - Additional Information (Detail) $ in Millions		3 Months Ended			12 Months Ended
	Aug. 31, 2016	Oct. 31, 2016 USD ($)	Apr. 30, 2016 USD ($) business	Oct. 31, 2015 USD ($)	Oct. 31, 2016 USD ($) deconsolidation business	Oct. 31, 2015 USD ($) business Acquisition	Oct. 31, 2014 USD ($) Company business	May 23, 2005 USD ($)	Mar. 28, 2005 USD ($)
Business Acquisition [Line Items]
Number of divestitures (business) \| business					4	8	9
Number of deconsolidations \| deconsolidation					1
Number of acquisitions (acquisition)					0	0	2
Gain (loss) on sale of business					$ (14.5)	$ (9.2)	$ 11.5
Gain (loss) on disposal of businesses, net		$ (18.6)		$ (0.7)	(14.5)	(9.2)	11.5
Proceeds from divestiture and deconsolidation					24.1
Notes receivables related to sale of business				2.9		2.9		$ 51.0	$ 90.0
Proceeds from divestitures					23.8	$ 19.6	115.3
Terms related to sale of business						three months to five years
Asset impairment charges		6.5		$ 23.6	51.4	$ 45.9	$ 85.8
Divestiture Two
Business Acquisition [Line Items]
Number of divestitures (business) \| business							2
Divestiture Three
Business Acquisition [Line Items]
Gain (loss) on sale of business							$ (5.5)
Gain (loss) on disposal of businesses, net							(11.4)
Asset impairment charges							$ 5.9
Minimum
Business Acquisition [Line Items]
Notes receivable term						3 months
Maximum
Business Acquisition [Line Items]
Notes receivable term						5 years
Variable Interest Entity, Not Primary Beneficiary
Business Acquisition [Line Items]
Ownership percent sold of Earthminded Benelux, NV	51.00%
Fair value of retained noncontrolling interest		0.3			0.3
Two Thousand Sixteen Divestitures
Business Acquisition [Line Items]
Number of divestitures (business) \| business			2
Gain (loss) on sale of business					3.6
Two Thousand Sixteen Divestitures \| Notes Receivable
Business Acquisition [Line Items]
Notes receivables related to sale of business			$ 2.4
Deconsolidation of Earthminded Benelux, NV
Business Acquisition [Line Items]
Gain (loss) on sale of business					(18.1)
Notes receivables related to sale of business		0.3			0.3
Fair value of retained noncontrolling interest		0.3			0.3
Carrying value of former subsidiary net assets		$ 18.7			$ 18.7
Rigid Industrial Packaging & Services
Business Acquisition [Line Items]
Number of divestitures (business) \| business					3	6	4
Number of acquisitions (acquisition) \| Company							1
Gain (loss) on sale of business							$ 5.4
Number of non-strategic divestitures (business) \| business							3
Rigid Industrial Packaging & Services \| Divestiture One
Business Acquisition [Line Items]
Gain (loss) on sale of business							$ (9.1)
Rigid Industrial Packaging & Services \| Divestiture Two
Business Acquisition [Line Items]
Gain (loss) on sale of business							(1.8)
Flexible Products & Services
Business Acquisition [Line Items]
Number of divestitures (business) \| business					1	2
Gain (loss) on sale of business							18.3
Asset impairment charges							$ 15.7
Paper Packaging & Services
Business Acquisition [Line Items]
Number of acquisitions (acquisition) \| Company							1
Gain (loss) on sale of business							$ 4.2