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Divestiture (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jun. 07, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net after-tax gain (loss) sale | $ 38.5 |  | $ 38.5 |
Transition services agreement, migration period |  | 18 months |  |
Discontinued Operations, Disposed of by Sale | One Equity Partners |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Divestiture consideration received |  |  |  | $ 100.0
Net after-tax gain (loss) sale | $ 38.5 | $ 0.5 | $ 38.5 |

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