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Property, Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Jul. 31, 2020
Jul. 31, 2019
Property Plant And Equipment [Abstract]        
Depreciation expense $ 6.2 $ 6.7 $ 20.5 $ 21.5
Impairment charges $ 3.7   $ 3.7 $ 2.8