Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.2
Restructuring Activities - Schedule of Costs Related to the Restructuring Program (Detail)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Restructuring Cost and Reserve [Line Items]    
Restructuring Costs, Total $ 48.8 $ 65.5
Cumulative cost incurred 88.6 88.6
Restructuring Program [Member]    
Restructuring Cost and Reserve [Line Items]    
Cumulative cost incurred 65.5 65.5
Professional Fees [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Costs, Total 1.4 4.2
Cumulative cost incurred 26.4 26.4
Professional Fees [Member] | Restructuring Program [Member]    
Restructuring Cost and Reserve [Line Items]    
Cumulative cost incurred 4.2 4.2
Retention and Separation [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Costs, Total 47.4 61.3
Cumulative cost incurred 61.3 61.3
Retention and Separation [Member] | Restructuring Program [Member]    
Restructuring Cost and Reserve [Line Items]    
Cumulative cost incurred 61.3 61.3
Others [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Costs, Total 0.0 0.0
Cumulative cost incurred 0.9 0.9
Others [Member] | Restructuring Program [Member]    
Restructuring Cost and Reserve [Line Items]    
Cumulative cost incurred $ 0.0 $ 0.0