Discontinued Operations - Summary of Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations	$ 0.7	$ (2.3)	$ 4.2	$ 446.3
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues				328.6
Cost of goods sold				237.5
Other operating expense (income), net				34.4
Operating income				56.7
Other non-operating expense (income), net		6.7		15.7
(Gain) loss on sale of discontinued operations		(2.3)		(456.7)
Income (loss) from discontinued operations before income taxes	(0.2)	(4.4)	2.0	497.7
Provision for (benefit from) income taxes	(0.9)	(2.1)	(2.2)	51.4
Income (loss) from discontinued operations	0.7	(2.3)	4.2	446.3
CIT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues				328.6
Cost of goods sold				237.5
Other operating expense (income), net				34.4
Operating income				56.7
Other non-operating expense (income), net		0.6		0.5
(Gain) loss on sale of discontinued operations		(2.6)		(457.3)
Income (loss) from discontinued operations before income taxes	0.0	2.0	(0.5)	513.5
Provision for (benefit from) income taxes	(0.5)	(0.6)	(1.8)	56.4
Income (loss) from discontinued operations	0.5	2.6	1.3	457.1
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
Cost of goods sold				0.0
Other operating expense (income), net				0.0
Operating income				0.0
Other non-operating expense (income), net		6.1		15.2
(Gain) loss on sale of discontinued operations		0.3		0.6
Income (loss) from discontinued operations before income taxes	(0.2)	(6.4)	2.5	(15.8)
Provision for (benefit from) income taxes	(0.4)	(1.5)	(0.4)	(5.0)
Income (loss) from discontinued operations	$ 0.2	$ (4.9)	$ 2.9	$ (10.8)