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Acquisitions Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Oct. 03, 2022
Number of businesses acquired | 0 | 2 | 1 |
Current year acquisitions/(dispositions) |  | $ 11.7 |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 83.90%
Acquired finite-lived intangible assets related to acquisitions | $ 0.0 | 8.5 |  |
Acquisitions, net of cash acquired |  | 2.6 |  |
Payments to Acquire Businesses, Net of Cash Acquired, including adjustments for prior period acquisitons | 0.0 | 6.3 | $ 232.2 |
Interest income | 151.7 | $ 140.8 | 56.6 |
MD&E |  |  |  |
Acquired finite-lived intangible assets related to acquisitions |  |  | 62.0 |
Acquisitions, net of cash acquired | $ 50.4 |  | 232.2 |
Goodwill, Acquired During Period, Including Purchase Accounting Adjustments |  |  | $ 211.7 |
IA&C |  |  |  |
Number of businesses acquired |  | 1 |  |
SC&E |  |  |  |
Number of businesses acquired |  | 1 |  |

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