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Acquisitions and Joint Venture - Total Purchase Consideration for Business and Asset Acquisitions (Details) - USD ($) $ in Millions | Jul. 31, 2022 | Oct. 31, 2021
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Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Goodwill | $ 3,665.8 | $ 2,574.0
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 787.3 | 208.0
Goodwill | 1,206.3 | 91.6
Net tangible liabilities | (309.0) | (10.8)
Fair value of contingent consideration | (1.5) | (39.1)
Total closing purchase price | 1,683.1 | 249.7
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions | Technology |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 1.9 | 178.6
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions | In-Process Research & Development (IPR&D) |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 0.0 | 20.0
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions | Composite intangible asset |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 730.0 | 7.5
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions | Trademarks |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 55.4 | 1.3
Series Of Individually Immaterial Business Acquisitions And Asset Acquisitions | Other |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | $ 0.0 | $ 0.6

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