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Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Jul. 31, 2018 | Oct. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 2,025.4 | $ 878.0
Accumulated Amortization & Translation | 466.6 | 373.3
Other intangible assets, net | $ 1,558.8 | 504.7
Finite-Lived Intangible Asset, Useful Life | 14 years |
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 139.6 | 44.5
Accumulated Amortization & Translation | $ 14.6 | 10.3
Finite-Lived Intangible Asset, Useful Life | 14 years |
Composite intangible asset |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,061.9 | 0.0
Accumulated Amortization & Translation | $ 53.1 | 0.0
Finite-Lived Intangible Asset, Useful Life | 15 years |
Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 396.0 | 428.8
Accumulated Amortization & Translation | $ 183.9 | 173.2
Finite-Lived Intangible Asset, Useful Life | 11 years |
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 354.6 | 335.5
Accumulated Amortization & Translation | $ 163.6 | 145.3
Finite-Lived Intangible Asset, Useful Life | 13 years |
License and distribution rights and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 73.3 | 69.2
Accumulated Amortization & Translation | $ 51.4 | $ 44.5
Finite-Lived Intangible Asset, Useful Life | 9 years |

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