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Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Sep. 27, 2022	Dec. 31, 2021
Indefinite-Lived Intangible Assets [Line Items]
Intangible assets	$ 603.6		$ 400.0
Goodwill	$ 1,088.0		$ 1,002.2
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Research and Development Expense (Excluding Acquired in Process Cost)
In Process Research and Development
Indefinite-Lived Intangible Assets [Line Items]
Intangible asset impairment charges	$ 13.0
ViaCyte
Indefinite-Lived Intangible Assets [Line Items]
Goodwill	85.8	$ 85.8
ViaCyte \| In Process Research and Development
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets acquired	$ 216.6