Quarterly report [Sections 13 or 15(d)]

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

v3.26.3
Segment Information - Reconciliation of Significant Segment Expenses from Segments to Consolidated (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total cost of sales [1] $ 306.1 $ 284.2 $ 893.5 $ 826.3
Primary Reporting Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total cost of sales [1] 298.9 276.1 869.1 797.5
China [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Total cost of sales [1] $ 7.2 $ 8.1 $ 24.4 $ 28.8
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.