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CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES (Detail) $ in Millions	12 Months Ended
	Oct. 31, 2017 USD ($) facility	Jul. 31, 2018 USD ($)
Site Contingency [Line Items]
Number of reconditioning facilities subject to litigation | facility	3
Environmental liability reserves	$ 7.1	$ 6.7
European Drum Facilities
Site Contingency [Line Items]
Environmental liability reserves	4.3	3.8
Life Cycle Management and Recycling Facilities
Site Contingency [Line Items]
Environmental liability reserves	0.3	0.2
Owned by Other Company
Site Contingency [Line Items]
Environmental liability reserves	1.1	0.9
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	1.4	1.8
Wrongful Termination Lawsuits | Pending Litigation
Site Contingency [Line Items]
Estimated liability recorded for legal proceedings	$ 5.7	$ 2.2

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Number Of Reconditioning Facilities Subject To Litigation

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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