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Acquisitions and Joint Venture - Total Purchase Consideration for Business and Asset Acquisitions (Details) - USD ($) $ in Millions | Apr. 30, 2022 | Oct. 31, 2021
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Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Goodwill | $ 3,719.4 | $ 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 | 736.8 | 208.0
Goodwill | 1,239.2 | 91.6
Net tangible liabilities | (295.6) | (10.8)
Fair value of contingent consideration | (1.5) | (39.1)
Total closing purchase price | 1,678.9 | 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 | 1.8 | 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 | Customer relationships |  |
Schedule Of Business Acquisitions And Asset Acquisition, By Acquisition [Line Items] |  |
Total identifiable intangible assets | 679.7 | 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 | 55.3 | 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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