v3.25.1
Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Marketable securities contractual maturities $ 1,100.0  
Marketable securities, total estimated fair value 2,300.0  
Equity securities, cost or amortized cost 8.2 $ 12.4
Level 2 | 2025 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes 36.0 35.5
Level 2 | 2026 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes 198.3 242.7
Level 2 | 2028 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes 594.5 1,226.6
Level 2 | 2027 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes 314.3 998.5
Level 2 | 2030 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes 624.8 $ 635.6
Level 2 | 2033 Notes    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Convertible notes $ 1,499.3  
Minimum    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Marketable securities contractual maturities period 1 year  
Maximum    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Marketable securities contractual maturities period 5 years