Annual report pursuant to Section 13 and 15(d)

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

v3.25.0.1
Restructuring Activities - Schedule of Costs Related to the Organizational Design Transformation Program (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]      
Total cost of transformation program $ 13.3 $ 54.2 $ 12.1
Cumulative cost incurred 92.5    
Professional Fees [Member]      
Restructuring Cost and Reserve [Line Items]      
Total cost of transformation program 1.6 8.0 7.2
Cumulative cost incurred 26.5    
Retention and Separation [Member]      
Restructuring Cost and Reserve [Line Items]      
Total cost of transformation program 10.9 45.7 4.8
Cumulative cost incurred 64.4    
Other [Member]      
Restructuring Cost and Reserve [Line Items]      
Total cost of transformation program 0.8 $ 0.5 $ 0.1
Cumulative cost incurred $ 1.6