v3.25.4
Segment Information - Schedule of Depreciation and Amortization, Assets and Capital Expenditures (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Depreciation and amortization $ 59.3 $ 60.2 $ 56.7
Assets 800.4 841.6  
Capital expenditures 57.1 65.9 61.8
Operating Segments      
Segment Reporting Information [Line Items]      
Depreciation and amortization 59.3 60.1 56.6
Capital expenditures 55.5 64.0 59.5
Operating Segments | Capital Markets - Software Solutions      
Segment Reporting Information [Line Items]      
Depreciation and amortization 30.1 27.6 29.8
Capital expenditures 28.6 32.5 31.5
Operating Segments | Capital Markets - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Depreciation and amortization 6.2 9.8 8.0
Capital expenditures 8.4 7.7 7.4
Operating Segments | Investment Companies - Software Solutions      
Segment Reporting Information [Line Items]      
Depreciation and amortization 19.1 18.2 14.2
Capital expenditures 16.4 21.1 18.8
Operating Segments | Investment Companies - Compliance and Communications Management      
Segment Reporting Information [Line Items]      
Depreciation and amortization 3.9 4.5 4.6
Capital expenditures 2.1 2.7 1.8
Corporate      
Segment Reporting Information [Line Items]      
Depreciation and amortization 0.0 0.1 0.1
Capital expenditures $ 1.6 $ 1.9 $ 2.3