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Goodwill and Other Intangible Assets - Summary of Carrying Amount of Net Other Intangible Assets by Class (Detail) - USD ($) $ in Millions | Apr. 30, 2017 | Oct. 31, 2016
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 187.6 | $ 217.2
Accumulated Amortization | 100.8 | 106.6
Net Intangible Assets | 86.8 | 110.6
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite Lived Intangible Assets | 13.0 | 13.0
Customer relationships |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 143.0 | 167.6
Accumulated Amortization | 83.5 | 86.9
Net Intangible Assets | 59.5 | 80.7
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 9.1 | 12.1
Accumulated Amortization | 3.5 | 4.8
Net Intangible Assets | 5.6 | 7.3
Non-compete agreements |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 0.4 | 1.0
Accumulated Amortization | 0.2 | 0.9
Net Intangible Assets | 0.2 | 0.1
Other |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 22.1 | 23.5
Accumulated Amortization | 13.6 | 14.0
Net Intangible Assets | $ 8.5 | $ 9.5

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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