Quarterly report [Sections 13 or 15(d)]

Restructuring Activities - Schedule of Costs Related to the Restructuring Program (Detail)

v3.26.1
Restructuring Activities - Schedule of Costs Related to the Restructuring Program (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Restructuring Cost and Reserve [Line Items]      
Restructuring Costs, Total $ 0.0 $ 3.3  
Cumulative cost incurred     $ 76.1
Professional Fees [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Costs, Total 0.0 0.0  
Professional Fees [Member] | Restructuring Program [Member]      
Restructuring Cost and Reserve [Line Items]      
Cumulative cost incurred     4.1
Retention and Separation [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Costs, Total 0.0 3.3  
Retention and Separation [Member] | Restructuring Program [Member]      
Restructuring Cost and Reserve [Line Items]      
Cumulative cost incurred     72.0
Others [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Costs, Total $ 0.0 $ 0.0  
Others [Member] | Restructuring Program [Member]      
Restructuring Cost and Reserve [Line Items]      
Cumulative cost incurred     $ 0.0