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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Jul. 31, 2015
Jul. 31, 2014
Oct. 31, 2014
Goodwill [Line Items]          
Goodwill accumulated impairment loss $ 232,789   $ 232,789   $ 232,789
Intangible assets, amortization expense 6,871 $ 6,150 20,558 $ 18,790  
Advanced Technology Systems [Member]          
Goodwill [Line Items]          
Goodwill accumulated impairment loss 229,173   229,173   229,173
Industrial Coating Systems [Member]          
Goodwill [Line Items]          
Goodwill accumulated impairment loss $ 3,616   $ 3,616   $ 3,616