v3.26.1
Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis and Carrying Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Carrying Value    
Assets    
Cash and cash equivalents $ 544.8 $ 510.4
Marketable securities 615.5 919.6
Liabilities    
Contingent consideration 170.6 372.1
Fair Value | Level 1    
Assets    
Cash and cash equivalents 544.8 510.4
Marketable securities 615.5 919.6
Liabilities    
Contingent consideration 0.0 0.0
Fair Value | Level 2    
Assets    
Cash and cash equivalents 0.0 0.0
Marketable securities 0.0 0.0
Liabilities    
Contingent consideration 0.0 0.0
Fair Value | Level 3    
Assets    
Cash and cash equivalents 0.0 0.0
Marketable securities 0.0 0.0
Liabilities    
Contingent consideration $ 170.6 $ 372.1