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Financial Instruments and Fair Value - Schedule of Reconciliation of Changes in Fair Value of investments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period $ 8.5 $ 0.0
Purchases   7.0
Unrealized gain (loss) included in other (expense) income, net $ (3.8) 1.8
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other (expense) income, net  
Unrealized loss on securities included in other comprehensive income   (0.3)
Balance at the end of period $ 4.7 8.5
Debt Securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period 4.7 0.0
Purchases   5.0
Unrealized gain (loss) included in other (expense) income, net 0.0 0.0
Unrealized loss on securities included in other comprehensive income   (0.3)
Balance at the end of period 4.7 4.7
Other Investments    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period 3.8 0.0
Purchases   2.0
Unrealized gain (loss) included in other (expense) income, net (3.8) 1.8
Unrealized loss on securities included in other comprehensive income   0.0
Balance at the end of period $ 0.0 $ 3.8