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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Goodwill [Line Items]      
Goodwill impairment charges $ 0 $ 0 $ 0
Goodwill accumulated impairment loss 232,789,000 232,789,000  
Intangible assets, amortization expense 55,448,000 44,907,000 $ 29,061,000
Advanced Technology Systems [Member]      
Goodwill [Line Items]      
Goodwill accumulated impairment loss 229,173,000 229,173,000  
Industrial Coating Systems [Member]      
Goodwill [Line Items]      
Goodwill accumulated impairment loss $ 3,616,000 $ 3,616,000