v3.25.2
Restructuring, Impairment and Other Charges, net - Schedule of Restructuring, Impairment and Other Charges by Segment Recognized in Results of Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Restructuring Cost And Reserve [Line Items]        
Employee Terminations $ 0.9 $ 1.2 $ 3.7 $ 2.9
Other Charges 0.1 0.1 0.2 0.2
Total 1.0 1.3 3.9 3.1
Operating Segments | Capital Markets - Software Solutions        
Restructuring Cost And Reserve [Line Items]        
Employee Terminations   0.3 0.6 0.3
Other Charges   0.0 0.0 0.0
Total   0.3 0.6 0.3
Operating Segments | Capital Markets - Compliance and Communications Management        
Restructuring Cost And Reserve [Line Items]        
Employee Terminations 0.3 0.8 1.7 1.3
Other Charges 0.0 0.0 0.1 0.1
Total 0.3 0.8 1.8 1.4
Operating Segments | Investment Companies - Software Solutions        
Restructuring Cost And Reserve [Line Items]        
Employee Terminations 0.2   0.6 0.1
Other Charges 0.0   0.0 0.0
Total 0.2   0.6 0.1
Operating Segments | Investment Companies - Compliance and Communications Management        
Restructuring Cost And Reserve [Line Items]        
Employee Terminations 0.4 0.1 0.5 0.1
Other Charges 0.0 0.0 0.0 0.0
Total 0.4 0.1 0.5 0.1
Corporate        
Restructuring Cost And Reserve [Line Items]        
Employee Terminations 0.0 0.0 0.3 1.1
Other Charges 0.1 0.1 0.1 0.1
Total $ 0.1 $ 0.1 $ 0.4 $ 1.2