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Goodwill and Other Intangible Assets - Summary of Carrying Amount of Net Intangible Assets by Class (Detail) - USD ($) $ in Millions | Oct. 31, 2018 | Oct. 31, 2017
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets | $ 13.3 |
Gross Intangible Assets | 207.6 | $ 218.6
Accumulated Amortization | 127.0 | 120.6
Net Intangible Assets | 80.6 | 98.0
Customer relationships |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 162.2 | 170.2
Accumulated Amortization | 105.8 | 99.7
Net Intangible Assets | 56.4 | 70.5
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 10.9 | 11.6
Accumulated Amortization | 5.1 | 4.9
Net Intangible Assets | 5.8 | 6.7
Other |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 21.2 | 23.4
Accumulated Amortization | 16.1 | 16.0
Net Intangible Assets | 5.1 | 7.4
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets | $ 13.3 | $ 13.4

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