v3.26.1
Intangible Assets - Schedule of Other Intangible Assets, Net (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Intangible Asset, Indefinite-Lived [Line Items]    
Intangible assets, gross (excluding goodwill) $ 470.3 $ 470.3
Accumulated Amortization (57.5) (46.1)
Intangible assets, net (excluding goodwill), total 412.8 424.2
Marketed Products    
Intangible Asset, Indefinite-Lived [Line Items]    
Finite-lived intangible assets, gross 238.0 238.0
Accumulated Amortization (52.2) (42.1)
Finite-lived intangible assets, net, total $ 185.8 195.9
Assembled Workforce    
Intangible Asset, Indefinite-Lived [Line Items]    
Estimated Useful Lives 3 years  
Finite-lived intangible assets, gross $ 7.7 7.7
Accumulated Amortization (5.3) (4.0)
Finite-lived intangible assets, net, total $ 2.4 3.7
Minimum | Marketed Products    
Intangible Asset, Indefinite-Lived [Line Items]    
Estimated Useful Lives 10 years  
Maximum | Marketed Products    
Intangible Asset, Indefinite-Lived [Line Items]    
Estimated Useful Lives 12 years  
In-process research and development    
Intangible Asset, Indefinite-Lived [Line Items]    
Indefinite-lived intangible assets $ 224.6 $ 224.6