Discontinued Operations - Summary of Cash Flows from Discontinued Operations (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Change in cash and cash equivalents from discontinued operations	$ (12.0)	$ 7.3
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash provided by operating activities	150.5	46.0
Net cash (used in) provided by investing activities	(19.0)	114.8
Net cash used in financing activities	(143.5)	(153.5)
Change in cash and cash equivalents from discontinued operations	(12.0)	7.3
Cash and cash equivalents from discontinued operations at beginning of period	35.2	25.3
Cash and cash equivalents from discontinued operations at end of period	23.2	32.6
CIT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash provided by operating activities	99.4	37.0
Net cash (used in) provided by investing activities	(17.4)	(13.7)
Net cash used in financing activities	(87.1)	(14.4)
Change in cash and cash equivalents from discontinued operations	(5.1)	8.9
Cash and cash equivalents from discontinued operations at beginning of period	23.9	14.6
Cash and cash equivalents from discontinued operations at end of period	18.8	23.5
CFT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash provided by operating activities	50.7	11.6
Net cash (used in) provided by investing activities	(1.6)	(3.5)
Net cash used in financing activities	(56.0)	(9.7)
Change in cash and cash equivalents from discontinued operations	(6.9)	(1.6)
Cash and cash equivalents from discontinued operations at beginning of period	11.3	10.7
Cash and cash equivalents from discontinued operations at end of period	4.4	9.1
Other | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash provided by operating activities	0.4	(2.6)
Net cash (used in) provided by investing activities	0.0	132.0
Net cash used in financing activities	(0.4)	(129.4)
Change in cash and cash equivalents from discontinued operations	0.0	0.0
Cash and cash equivalents from discontinued operations at beginning of period	0.0	0.0
Cash and cash equivalents from discontinued operations at end of period	$ 0.0	$ 0.0