Variable Interest Entity - Summary of Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Assets:
Cash and cash equivalents	$ 433.3	$ 440.1	$ 558.1
DomaniRx LLC [Member]
Assets:
Cash and cash equivalents	130.2		145.0
Intangible assets	169.0		142.9
Other assets	2.3		1.3
Liabilities:
Other liabilities	$ 15.5		$ 1.3