v3.26.1
Cash, Cash Equivalents, Marketable Debt Securities and Other - Schedule of Company's Cash and Available-For-Sale (AFS) Debt Securities by Major Asset Category (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Financial Instruments [Line Items]    
Adjusted Cost Basis $ 667.1 $ 667.3
Unrealized Gain 0.0 0.5
Unrealized Loss (0.3) (0.0)
Fair Value 666.8 667.8
Cash and cash equivalents 442.8 529.0
Short-Term Marketable Debt Securities and Other 151.0 71.8
Long-term marketable debt securities 73.0 67.0
Level 1    
Financial Instruments [Line Items]    
Adjusted Cost Basis [1] 56.0 69.4
Unrealized Gain [1] 0.0 0.1
Unrealized Loss [1] (0.2) (0.0)
Fair Value [1] 55.8 69.5
Cash and cash equivalents [1] 0.4 36.7
Short-Term Marketable Debt Securities and Other [1] 32.0 14.7
Long-term marketable debt securities [1] 23.4 18.1
Level 2    
Financial Instruments [Line Items]    
Adjusted Cost Basis [2] 122.6 105.6
Unrealized Gain [2] 0.0 0.4
Unrealized Loss [2] (0.1) (0.0)
Fair Value [2] 122.5 106.0
Cash and cash equivalents [2] 3.9 0.0
Short-Term Marketable Debt Securities and Other [2] 69.0 57.1
Long-term marketable debt securities [2] 49.6 48.9
Cash and Cash Equivalents    
Financial Instruments [Line Items]    
Adjusted Cost Basis 438.5 492.3
Unrealized Gain 0.0 0.0
Unrealized Loss 0.0 0.0
Fair Value 438.5 492.3
Cash and cash equivalents 438.5 492.3
Short-Term Marketable Debt Securities and Other 0.0 0.0
Long-term marketable debt securities 0.0 0.0
Time Deposits | Level 1    
Financial Instruments [Line Items]    
Adjusted Cost Basis [3] 50.0  
Unrealized Gain [3] 0.0  
Unrealized Loss [3] 0.0  
Fair Value [3] 50.0  
Cash and cash equivalents [3] 0.0  
Short-Term Marketable Debt Securities and Other [3] 50.0  
Long-term marketable debt securities [3] 0.0  
U.S. Treasury Securities | Level 1    
Financial Instruments [Line Items]    
Adjusted Cost Basis [1] 55.6 32.7
Unrealized Gain [1] 0.0 0.1
Unrealized Loss [1] (0.2) (0.0)
Fair Value [1] 55.4 32.8
Cash and cash equivalents [1] 0.0 0.0
Short-Term Marketable Debt Securities and Other [1] 32.0 14.7
Long-term marketable debt securities [1] 23.4 18.1
Money Market Fund | Level 1    
Financial Instruments [Line Items]    
Adjusted Cost Basis [1] 0.4 36.7
Unrealized Gain [1] 0.0 0.0
Unrealized Loss [1] 0.0 0.0
Fair Value [1] 0.4 36.7
Cash and cash equivalents [1] 0.4 36.7
Short-Term Marketable Debt Securities and Other [1] 0.0 0.0
Long-term marketable debt securities [1] 0.0 0.0
Corporate Debt Securities | Level 2    
Financial Instruments [Line Items]    
Adjusted Cost Basis [2] 99.2 100.0
Unrealized Gain [2] 0.0 0.4
Unrealized Loss [2] (0.1) (0.0)
Fair Value [2] 99.1 100.4
Cash and cash equivalents [2] 0.0 0.0
Short-Term Marketable Debt Securities and Other [2] 52.7 55.6
Long-term marketable debt securities [2] 46.4 44.8
Commercial Paper | Level 2    
Financial Instruments [Line Items]    
Adjusted Cost Basis [2] 13.4  
Unrealized Gain [2] 0.0  
Unrealized Loss [2] 0.0  
Fair Value [2] 13.4  
Cash and cash equivalents [2] 3.9  
Short-Term Marketable Debt Securities and Other [2] 9.5  
Long-term marketable debt securities [2] 0.0  
U.S. Government Agency Securities | Level 2    
Financial Instruments [Line Items]    
Adjusted Cost Basis [2] 3.2 4.1
Unrealized Gain [2] 0.0 0.0
Unrealized Loss [2] 0.0 0.0
Fair Value [2] 3.2 4.1
Cash and cash equivalents [2] 0.0 0.0
Short-Term Marketable Debt Securities and Other [2] 0.0 0.0
Long-term marketable debt securities [2] 3.2 4.1
Certificates of Deposit | Level 2    
Financial Instruments [Line Items]    
Adjusted Cost Basis [2] 6.8 1.5
Unrealized Gain [2] 0.0 0.0
Unrealized Loss [2] 0.0  
Fair Value [2] 6.8 1.5
Cash and cash equivalents [2] 0.0 0.0
Short-Term Marketable Debt Securities and Other [2] 6.8 1.5
Long-term marketable debt securities [2] $ 0.0 $ 0.0
[1] Valuations based on quoted prices for identical assets or liabilities in active markets.
[2] Valuations based on observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data.
[3] We had a single $50.0 million investment in a time deposit as of June 30, 2026. This investment matures within one year and is recorded in “Short-term marketable debt securities and other” on our Consolidated Balance Sheets. We record time deposit investments at amortized cost, which approximates fair value. We did not have any investments in time deposits as of December 31, 2025.