v3.26.1
Marketable Securities and Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 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.
June 30, 2026
(dollars in millions)
Valuation
Hierarchy
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Corporate bondsLevel 2$450.1 $0.1 $(0.8)$449.4 
Government securitiesLevel 224.3 — (0.1)24.2 
Total$474.4 $0.1 $(0.9)$473.6 
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