Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Restructuring Activities - Schedule of Changes in the Liabilities Related to the Restructuring Program (Detail)
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
Restructuring Cost and Reserve [Line Items]  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense
Beginning Balance $ 3.7
Expenses 3.3
Ending Balance 3.0
Restructuring Program [Member]  
Restructuring Cost and Reserve [Line Items]  
Cash payments (4.0)
Non-cash items and other 0.0
Professional Fees [Member]  
Restructuring Cost and Reserve [Line Items]  
Beginning Balance 0.5
Expenses 0.0
Ending Balance 0.5
Professional Fees [Member] | Restructuring Program [Member]  
Restructuring Cost and Reserve [Line Items]  
Cash payments 0.0
Non-cash items and other 0.0
Retention and Separation [Member]  
Restructuring Cost and Reserve [Line Items]  
Beginning Balance 3.2
Expenses 3.3
Ending Balance 2.5
Retention and Separation [Member] | Restructuring Program [Member]  
Restructuring Cost and Reserve [Line Items]  
Cash payments (4.0)
Non-cash items and other 0.0
Others [Member]  
Restructuring Cost and Reserve [Line Items]  
Beginning Balance 0.0
Expenses 0.0
Ending Balance 0.0
Others [Member] | Restructuring Program [Member]  
Restructuring Cost and Reserve [Line Items]  
Cash payments 0.0
Non-cash items and other $ 0.0