Acquisitions and Joint Venture - Total Purchase Consideration for Business and Asset Acquisitions (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021
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