v3.26.1
Marketable Securities and Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Schedule of Available-for-Sale Marketable Securities
The following is a summary of the Company’s available-for-sale marketable securities measured at fair value on a recurring basis.
March 31, 2026
(dollars in millions)
Valuation
Hierarchy
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Corporate bondsLevel 2$503.6 $0.3 $(0.7)$503.2 
Government securitiesLevel 224.4 — — 24.4 
Total$528.0 $0.3 $(0.7)$527.6 
 December 31, 2025
(dollars in millions)
Valuation
Hierarchy
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Corporate bondsLevel 2$528.0 $1.1 $— $529.1 
Government securitiesLevel 213.3 0.1 — 13.4 
Total$541.3 $1.2 $— $542.5