XML 70 R47.htm IDEA: XBRL DOCUMENT v3.25.2
INVESTMENTS - Schedule of Investments in Debt Securities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Held-to-maturity    
Fair Value $ 44.7  
Available-for-sale    
Amortized Cost 839.4 $ 1,026.4
Gross Unrealized Gains 0.1 0.2
Gross Unrealized Losses (2.8) (5.3)
Fair Value 836.7 1,021.3
Bank time deposits    
Held-to-maturity    
Amortized Cost 44.7 57.9
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Fair Value 44.7 57.9
Available-for-sale    
Amortized Cost 0.0 13.9
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Fair Value 0.0 13.9
Commercial paper    
Available-for-sale    
Amortized Cost 416.4 236.5
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Fair Value 416.4 236.5
U.S. government and agency securities    
Available-for-sale    
Amortized Cost 249.3 238.1
Gross Unrealized Gains 0.0 0.1
Gross Unrealized Losses (0.7) (1.1)
Fair Value 248.6 237.1
Asset-backed securities    
Available-for-sale    
Amortized Cost 52.0 70.2
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses (0.9) (1.4)
Fair Value 51.1 68.8
Corporate debt securities    
Available-for-sale    
Amortized Cost 121.7 465.0
Gross Unrealized Gains 0.1 0.1
Gross Unrealized Losses (1.2) (2.8)
Fair Value 120.6 462.3
Municipal securities    
Available-for-sale    
Amortized Cost 0.0 2.7
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Fair Value $ 0.0 $ 2.7