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Contingent Liabilities and Environmental Reserves - Additional Information (Detail) - USD ($)
$ in Millions
Apr. 30, 2017
Oct. 31, 2016
Site Contingency [Line Items]    
Environmental liability reserves $ 6.8 $ 6.8
European Drum Facilities    
Site Contingency [Line Items]    
Environmental liability reserves 4.0 3.9
Life Cycle Management and Recycling Facilities    
Site Contingency [Line Items]    
Environmental liability reserves 0.4 0.3
Owned by Other Company    
Site Contingency [Line Items]    
Environmental liability reserves 1.5 1.7
Other Facilities    
Site Contingency [Line Items]    
Environmental liability reserves $ 0.9 $ 0.9