Discontinued Operations - Summary of Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations before income taxes	$ (4.4)	$ 43.2		$ 497.7	$ 20.2
Benefit from income taxes	(2.1)	(5.5)		51.4	(14.5)
(Loss) income from discontinued operations	(2.3)	48.7		446.3	34.7
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0.0	294.6		328.6	877.7
Cost of goods sold	0.0	205.1		237.5	626.4
Impairment					24.8
Other operating expenses, net	0.0	47.4		34.4	155.1
Operating income	0.0	42.1		56.7	71.4
Other non-operating (income) expense, net	6.7	(0.2)		15.7	1.3
Income (loss) from discontinued operations before income taxes and gain (loss) on sale	(6.7)	42.3		41.0
Income (loss) from discontinued operations before income taxes and loss from classification to held for sale					70.1
(Gain) loss on sale of discontinued operations	(2.3)	(0.9)		(456.7)	49.9
Income (loss) from discontinued operations before income taxes	(4.4)	43.2		497.7	20.2
Benefit from income taxes	(2.1)	(5.5)		51.4	(14.5)
(Loss) income from discontinued operations	(2.3)	48.7		446.3	34.7
CIT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0.0	218.2		328.6	650.6
Cost of goods sold	0.0	162.7		237.5	496.9
Impairment					0.0
Other operating expenses, net	0.0	30.2		34.4	99.6
Operating income	0.0	25.3		56.7	54.1
Other non-operating (income) expense, net	0.6	(0.2)		0.5	0.2
Income (loss) from discontinued operations before income taxes and gain (loss) on sale	(0.6)	25.5		56.2
Income (loss) from discontinued operations before income taxes and loss from classification to held for sale					53.9
(Gain) loss on sale of discontinued operations	(2.6)	2.7		(457.3)	2.7
Income (loss) from discontinued operations before income taxes	2.0	22.8		513.5	51.2
Benefit from income taxes	(0.6)	(11.2)		56.4	(5.8)
(Loss) income from discontinued operations	2.6	34.0		457.1	57.0
CFT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0.0	76.4		0.0	227.1
Cost of goods sold	0.0	42.4		0.0	129.5
Impairment			$ 24.8		24.8
Other operating expenses, net	0.0	17.2		0.0	55.5
Operating income	0.0	16.8		0.0	17.3
Other non-operating (income) expense, net	4.2	(0.7)		11.8	(0.2)
Income (loss) from discontinued operations before income taxes and gain (loss) on sale	(4.2)	17.5		(11.8)
Income (loss) from discontinued operations before income taxes and loss from classification to held for sale					17.5
(Gain) loss on sale of discontinued operations	0.3	(3.6)		0.6	47.2
Income (loss) from discontinued operations before income taxes	(4.5)	21.1		(12.4)	(29.7)
Benefit from income taxes	(1.1)	5.4		(3.8)	(7.0)
(Loss) income from discontinued operations	(3.4)	15.7		(8.6)	(22.7)
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		0.0	0.0
Cost of goods sold	0.0	0.0		0.0	0.0
Impairment					0.0
Other operating expenses, net	0.0	0.0		0.0	0.0
Operating income	0.0	0.0		0.0	0.0
Other non-operating (income) expense, net	1.9	0.7		3.4	1.3
Income (loss) from discontinued operations before income taxes and gain (loss) on sale	(1.9)	(0.7)		(3.4)
Income (loss) from discontinued operations before income taxes and loss from classification to held for sale					(1.3)
(Gain) loss on sale of discontinued operations	0.0	0.0		0.0	0.0
Income (loss) from discontinued operations before income taxes	(1.9)	(0.7)		(3.4)	(1.3)
Benefit from income taxes	(0.4)	0.3		(1.2)	(1.7)
(Loss) income from discontinued operations	$ (1.5)	$ (1.0)		$ (2.2)	$ 0.4