XML 45 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Oct. 31, 2017
Goodwill [Line Items]      
Goodwill accumulated impairment loss $ 232,789   $ 232,789
Intangible assets, amortization expense 13,889 $ 7,630  
Advanced Technology Systems [Member]      
Goodwill [Line Items]      
Goodwill accumulated impairment loss 229,173   229,173
Industrial Coating Systems [Member]      
Goodwill [Line Items]      
Goodwill accumulated impairment loss $ 3,616   $ 3,616