v3.25.4
Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Schedule of Financial Instruments Recorded at Fair Value
Financial Instruments Recorded at Fair Value (in millions):
December 31, 2025December 31, 2024
 Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Assets:        
Cash and cash equivalents$1,957.2 $— $— $1,957.2 $671.4 $— $— $671.4 
Deferred compensation asset (a)0.5 — — 0.5 0.4 — — 0.4 
Liabilities:  
Deferred compensation obligation (a)
$0.5 $— $— $0.5 $0.4 $— $— $0.4 
 
(a)    The deferred compensation obligation represents the balance of deferred compensation plus net investment earnings. The deferred compensation plan is funded through a rabbi trust. Trust funds are invested in mutual funds for which unit prices are quoted in active markets and are classified within Level 1 of the valuation hierarchy.