Annual report pursuant to Section 13 and 15(d)

Restructuring Activities - Schedule of Changes in the Liabilities Related to the Transformation Program (Detail)

v3.25.0.1
Restructuring Activities - Schedule of Changes in the Liabilities Related to the Transformation Program (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]      
Beginning Balance $ 9.2 $ 3.8  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense Selling, General and Administrative Expense  
Expenses $ 13.3 $ 54.2 $ 12.1
Cash payments (17.0) (48.3)  
Non-cash items and other (0.8) (0.5)  
Ending Balance 4.7 9.2 3.8
Professional Fees [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 1.0 0.6  
Expenses 1.6 8.0 7.2
Cash payments (2.6) (7.6)  
Non-cash items and other 0.0 0.0  
Ending Balance 0.0 1.0 0.6
Retention and Separation [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 8.2 3.2  
Expenses 10.9 45.7 4.8
Cash payments (14.4) (40.2)  
Non-cash items and other 0.0 (0.5)  
Ending Balance 4.7 8.2 3.2
Other [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 0.0 0.0  
Expenses 0.8 0.5 0.1
Cash payments 0.0 (0.5)  
Non-cash items and other (0.8) 0.0  
Ending Balance $ 0.0 $ 0.0 $ 0.0