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