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Debt - Schedule of Convertible Notes (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Principal balance	$ 1,389.1
Convertible Debt
Debt Instrument [Line Items]
Principal balance	1,389.1	$ 1,389.1
Unamortized issuance costs	(10.4)	(11.3)
Carrying value, net	1,378.7	1,377.8
Convertible Debt | 2026 Notes
Debt Instrument [Line Items]
Principal balance	695.8	695.8
Unamortized issuance costs	(4.3)	(4.8)
Carrying value, net	691.5	691.0
Convertible Debt | 2028 Notes
Debt Instrument [Line Items]
Principal balance	693.3	693.3
Unamortized issuance costs	(6.1)	(6.5)
Carrying value, net	$ 687.2	$ 686.8

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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