Fair Value Measurements, Fair Value of Significant Unobservable Inputs (Details) $ in Millions	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)
Earn-Out Shares [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Non financial liabilities at fair value	$ 27.6	$ 15.2
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Liability Instruments Measured at Fair Value
Private Placement Warrants [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Liability Instruments Measured at Fair Value
Volatility [Member] | Datavant [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Investment in equity securities, measurement input	1	1
Volatility [Member] | Earn-Out Shares [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Earn-out share, measurement input	69.30%	79.90%
Volatility [Member] | Private Placement Warrants [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Private placement warrants, measurement input		0.505
Risk-free Rate [Member] | Datavant [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Investment in equity securities, measurement input	0.0507	0.0402
Risk-free Rate [Member] | Earn-Out Shares [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Earn-out share, measurement input	4.80%	3.76%
Risk-free Rate [Member] | Private Placement Warrants [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Private placement warrants, measurement input		0.0376
Term (in years) [Member] | Private Placement Warrants [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Private placement warrants, term		3 years 6 months