v3.25.4

Goodwill - Balances of Goodwill by Reporting Segment (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Goodwill [Line Items] |  |
Gross book value |  | $ 446.0
Accumulated impairment charges |  | (40.6)
Goodwill, beginning balance | $ 405.4 |
Foreign exchange adjustments | 0.4 |
Goodwill, ending balance | 405.8 |
Capital Markets - Software Solutions |  |
Goodwill [Line Items] |  |
Gross book value |  | 99.9
Accumulated impairment charges |  | 0.0
Goodwill, beginning balance | 99.9 |
Foreign exchange adjustments | 0.1 |
Goodwill, ending balance | 100.0 |
Capital Markets - Compliance and Communications Management |  |
Goodwill [Line Items] |  |
Gross book value |  | 252.5
Accumulated impairment charges |  | 0.0
Goodwill, beginning balance | 252.5 |
Foreign exchange adjustments | 0.2 |
Goodwill, ending balance | 252.7 |
Investment Companies - Software Solutions |  |
Goodwill [Line Items] |  |
Gross book value |  | 53.0
Accumulated impairment charges |  | 0.0
Goodwill, beginning balance | 53.0 |
Foreign exchange adjustments | 0.1 |
Goodwill, ending balance | 53.1 |
Investment Companies - Compliance and Communications Management |  |
Goodwill [Line Items] |  |
Gross book value |  | 40.6
Accumulated impairment charges |  | $ (40.6)
Goodwill, beginning balance | 0.0 |
Foreign exchange adjustments | 0.0 |
Goodwill, ending balance | $ 0.0 |

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