Quarterly report [Sections 13 or 15(d)]

Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Detail)

v3.26.1
Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Contribution margin    
Total contribution margin $ 564.3 $ 523.1
General and administrative expenses 431.4 400.3
Other operating income (5.5) 0.0
Interest expense, net 46.8 52.0
Income before income taxes 91.6 70.8
Income taxes 30.4 20.4
Net income 61.2 50.4
Primary Reporting Segment [Member]    
Contribution margin    
Total contribution margin 543.9 499.8
China [Member]    
Contribution margin    
Total contribution margin 20.4 23.3
Other operating income $ (5.5) $ 0.0