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Goodwill and Other Intangible Assets - Summary of Carrying Amount of Net Intangible Assets by Class (Details) - USD ($) $ in Millions | Oct. 31, 2020 | Oct. 31, 2019
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets | $ 13.5 |
Gross Intangible Assets | 955.3 | $ 954.9
Accumulated Amortization | 240.0 | 178.4
Net Intangible Assets | 715.3 | 776.5
Customer relationships |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 891.8 | 890.6
Accumulated Amortization | 204.9 | 150.3
Net Intangible Assets | 686.9 | 740.3
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 27.4 | 27.0
Accumulated Amortization | 14.9 | 9.3
Net Intangible Assets | 12.5 | 17.7
Non-compete agreements |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 1.7 | 2.3
Accumulated Amortization | 1.2 | 0.7
Net Intangible Assets | 0.5 | 1.6
Other |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 20.9 | 21.9
Accumulated Amortization | 19.0 | 18.1
Net Intangible Assets | 1.9 | 3.8
Trademarks and patents |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets | $ 13.5 | $ 13.1

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