Quarterly report [Sections 13 or 15(d)]

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

v3.25.2
Restructuring Activities - Schedule of Changes in the Liabilities Related to the Technology Realignment Program (Detail)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Restructuring Cost and Reserve [Line Items]    
Expenses $ 3.6 $ 3.6
Cash payments   (2.6)
Non-cash items and other   0.0
Ending balance 1.0 1.0
Professional Fees [Member]    
Restructuring Cost and Reserve [Line Items]    
Expenses 0.0 0.0
Cash payments   0.0
Non-cash items and other   0.0
Ending balance 0.0 0.0
Retention and Separation [Member]    
Restructuring Cost and Reserve [Line Items]    
Expenses 3.6 3.6
Cash payments   (2.6)
Non-cash items and other   0.0
Ending balance 1.0 1.0
Other [Member]    
Restructuring Cost and Reserve [Line Items]    
Expenses 0.0 0.0
Cash payments   0.0
Non-cash items and other   0.0
Ending balance $ 0.0 $ 0.0