Discontinued Operations - Summary of Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations	$ 0.3	$ 427.2	$ 3.5	$ 448.6
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		115.2		328.6
Cost of goods sold		83.7		237.5
Other operating expense (income), net		11.9		34.4
Operating income		19.6		56.7
Other non-operating expense (income), net		1.6		9.0
Income (loss) from discontinued operations before income taxes and gain on sale		18.0		47.7
(Gain) loss on sale of discontinued operations		(462.2)		(454.4)
Income (loss) from discontinued operations before income taxes	(0.1)	480.2	2.2	502.1
Provision for (benefit from) income taxes	(0.4)	53.0	(1.3)	53.5
Income (loss) from discontinued operations	0.3	427.2	3.5	448.6
CIT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		115.2		328.6
Cost of goods sold		83.7		237.5
Other operating expense (income), net		11.9		34.4
Operating income		19.6		56.7
Other non-operating expense (income), net		0.1		(0.1)
Income (loss) from discontinued operations before income taxes and gain on sale		19.5		56.8
(Gain) loss on sale of discontinued operations		(462.3)		(454.7)
Income (loss) from discontinued operations before income taxes	(0.2)	481.8	(0.5)	511.5
Provision for (benefit from) income taxes	(0.2)	53.6	(1.3)	57.0
Income (loss) from discontinued operations	0.0	428.2	0.8	454.5
Other | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		0.0		0.0
Cost of goods sold		0.0		0.0
Other operating expense (income), net		0.0		0.0
Operating income		0.0		0.0
Other non-operating expense (income), net		1.5		9.1
Income (loss) from discontinued operations before income taxes and gain on sale		(1.5)		(9.1)
(Gain) loss on sale of discontinued operations		0.1		0.3
Income (loss) from discontinued operations before income taxes	0.1	(1.6)	2.7	(9.4)
Provision for (benefit from) income taxes	(0.2)	(0.6)	0.0	(3.5)
Income (loss) from discontinued operations	$ 0.3	$ (1.0)	$ 2.7	$ (5.9)