Fair Value Measures - Level 3 Assets and Liabilities Held at Fair Value (Details) - Fair Value, Inputs, Level 3 [Member] $ in Millions	Sep. 30, 2024 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration obligations	$ 508.9
Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.054
Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.058
Weighted Average | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.056