Quarterly report [Sections 13 or 15(d)]

Segment Information - Reconciliation of Significant Segment Expenses from Segments to Consolidated (Detail)

v3.26.1
Segment Information - Reconciliation of Significant Segment Expenses 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
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total cost of sales [1] $ 296.3 $ 276.9 $ 587.4 $ 542.1
Primary Reporting Segment [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total cost of sales [1] 287.6 265.5 570.2 521.4
China [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Total cost of sales [1] $ 8.7 $ 11.4 $ 17.2 $ 20.7
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.