Fair Value Measurements - Narrative (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Jul. 02, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Asset impairment charges	$ 0	$ 0
Contingent consideration obligations	287,100,000	287,100,000		$ 0
Contingent consideration obligations	$ 221,800,000	$ 221,800,000
Human Immunology Biosciences
Debt Instrument [Line Items]
Contingent consideration obligations			$ 279,300,000
Contingent consideration obligations			$ 205,800,000
Human Immunology Biosciences | Measurement Input, Probability Rate
Debt Instrument [Line Items]
Discount rate			0.670