v3.25.4
Fair Value Measurements
12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
The following table presents a summary of certain financial assets, which were measured at fair value on a recurring basis.
December 31, 2025December 31, 2024
Fair
Value
LevelingFair
Value
Leveling
(in millions)Level 1Level 2Level 1Level 2
Cash and cash equivalents$713.0 $713.0 $— $233.0 $233.0 $— 
Available-for-sale debt securities1,830.4 — 1,830.4 1,582.6 — 1,582.6 
Equity investments120.8 120.8 — 124.8 124.8 — 
$2,664.2 $833.8 $1,830.4 $1,940.4 $357.8 $1,582.6