Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Restructuring Activities - Schedule of Changes in the Liabilities Related to the Transformation Program (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]    
Beginning Balance $ 4.7  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense  
Expenses $ 0.0 $ 5.9
Cash payments (1.0)  
Non-cash items and other 0.0  
Ending Balance 3.7  
Professional Fees [Member]    
Restructuring Cost and Reserve [Line Items]    
Beginning Balance 0.0  
Expenses 0.0 0.9
Cash payments 0.0  
Non-cash items and other 0.0  
Ending Balance 0.0  
Retention and Separation [Member]    
Restructuring Cost and Reserve [Line Items]    
Beginning Balance 4.7  
Expenses 0.0 4.9
Cash payments (1.0)  
Non-cash items and other 0.0  
Ending Balance 3.7  
Other [Member]    
Restructuring Cost and Reserve [Line Items]    
Beginning Balance 0.0  
Expenses 0.0 $ 0.1
Cash payments 0.0  
Non-cash items and other 0.0  
Ending Balance $ 0.0