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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Contribution margin        
Total contribution margin [1] $ 564.5 $ 536.3 $ 1,128.8 $ 1,059.4
General and administrative expenses 436.2 408.5 867.6 808.8
Other operating income 0.0 (4.8) (5.5) (4.8)
Interest expense, net 37.4 53.6 84.2 105.6
Other expense, net 94.6 0.0 94.6 0.0
(Loss) Income before income taxes (3.7) 79.0 87.9 149.8
Income taxes 22.8 29.8 53.2 50.2
Net (loss) income (26.5) 49.2 34.7 99.6
Primary Reporting Segment [Member]        
Contribution margin        
Total contribution margin [1] 543.3 507.7 1,087.2 1,007.5
China [Member]        
Contribution margin        
Total contribution margin [1] 21.2 28.6 41.6 51.9
Other operating income $ 0.0 $ (4.8) $ (5.5) $ (4.8)
[1] Contribution margin consists of net sales less cost of sales and selling expenses.