v3.26.1
Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Schedule of Financial Instruments Measured at Fair Value The following table presents financial instruments measured at fair value on a recurring basis:
 June 30, 2026
(in millions)Level 1Level 2Level 3Total
Assets at Fair Value:
Marketable securities:
Corporate debt securities$6.8 $— $— $6.8 
Mutual funds123.6 — — 123.6 
Equity securities1.0 — — 1.0 
Total Marketable Securities131.4 — — 131.4 
Total Assets at Fair Value$131.4 $— $— $131.4 
Schedule of Fair value of Debt Instruments
At June 30, 2026, the fair values were as follows:
(in millions)Fair ValueLevel
$500.0 million fixed rate notes due June 2028
$495.2 Level 2
$750.0 million fixed rate notes due March 2030
748.4 Level 2
$750.0 million fixed rate notes due March 2032
677.4 Level 2
$750.0 million fixed rate notes due September 2043
749.1 Level 2
$700.0 million fixed rate notes due June 2048
584.7 Level 2