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Property, Plant, and Equipment - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 9.5 $ 7.3 $ 6.4
Property, plant, and equipment with capital leases 3.4 3.2  
Accumulated depreciation with capital leases 3.0 2.5  
Capital leases [Member]      
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 0.5 $ 0.5 $ 0.5