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Fair Value Measurements - Quantitative Information used in Valuing Level 3 Liabilities (Details) - Significant Unobservable Inputs (Level 3) $ in Millions	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Contingent payment obligations | Monte Carlo Simulation
Quantitative information for Level 3 Fair Value Measurements Liabilities
Fair Value	$ 0.0	$ 5.7
Contingent payment obligations | Monte Carlo Simulation | Volatility
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.20
Contingent payment obligations | Monte Carlo Simulation | Volatility | Maximum
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input		0.18
Contingent payment obligations | Monte Carlo Simulation | Volatility | Weighted Average
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.20	0.18
Contingent payment obligations | Monte Carlo Simulation | Discount rates
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.05	0.04
Contingent payment obligations | Monte Carlo Simulation | Discount rates | Weighted Average
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.05	0.04
Affiliate equity purchase obligations | Discounted cash flow
Quantitative information for Level 3 Fair Value Measurements Liabilities
Fair Value	$ 117.9	$ 54.8
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Minimum
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.12	0.12
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Maximum
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.19	0.19
Affiliate equity purchase obligations | Discounted cash flow | Discount rates | Weighted Average
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.15	0.14
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Minimum
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	(0.04)	(0.04)
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Maximum
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.09	0.09
Affiliate equity purchase obligations | Discounted cash flow | Growth rates | Weighted Average
Quantitative information for Level 3 Fair Value Measurements Liabilities
Affiliate equity purchase obligations, measurement input	0.06	0.01

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