Discontinued Operations - Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations before income taxes	$ (62.3)	$ 11.7	$ (51.4)	$ 15.6
(Benefit from) provision for income taxes	(15.4)	1.0	(14.4)	1.7
(Loss) income from discontinued operations	(46.9)	10.7	(37.0)	13.9
Impairment charges	24.8
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	78.0	72.0	150.7	143.1
Cost of goods sold	44.6	44.8	87.1	90.1
Impairment	24.8	0.0	24.8	0.0
Other operating expenses, net	18.5	20.2	38.3	41.4
Operating income (loss)	(9.9)	7.0	0.5	11.6
Other non-operating expense (income), net	1.6	(4.7)	1.1	(4.0)
(Loss) income from discontinued operations before income taxes and loss from classification to held for sale	(11.5)	11.7	(0.6)	15.6
Loss from classification to held for sale	50.8	0.0	50.8	0.0
(Loss) income from discontinued operations before income taxes	(62.3)	11.7	(51.4)	15.6
(Benefit from) provision for income taxes	(15.4)	1.0	(14.4)	1.7
(Loss) income from discontinued operations	(46.9)	10.7	(37.0)	13.9
CFT | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	78.0	72.0	150.7	143.1
Cost of goods sold	44.6	44.8	87.1	90.1
Impairment	24.8	0.0	24.8	0.0
Other operating expenses, net	18.5	20.2	38.3	41.4
Operating income (loss)	(9.9)	7.0	0.5	11.6
Other non-operating expense (income), net	0.5	(0.6)	0.5	0.2
(Loss) income from discontinued operations before income taxes and loss from classification to held for sale	(10.4)	7.6	0.0	11.4
Loss from classification to held for sale	50.8	0.0	50.8	0.0
(Loss) income from discontinued operations before income taxes	(61.2)	7.6	(50.8)	11.4
(Benefit from) provision for income taxes	(14.9)	2.0	(12.4)	2.5
(Loss) income from discontinued operations	(46.3)	5.6	(38.4)	8.9
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	0.0	0.0	0.0
Other operating expenses, net	0.0	0.0	0.0	0.0
Operating income (loss)	0.0	0.0	0.0	0.0
Other non-operating expense (income), net	1.1	(4.1)	0.6	(4.2)
(Loss) income from discontinued operations before income taxes and loss from classification to held for sale	(1.1)	4.1	(0.6)	4.2
Loss from classification to held for sale	0.0	0.0	0.0	0.0
(Loss) income from discontinued operations before income taxes	(1.1)	4.1	(0.6)	4.2
(Benefit from) provision for income taxes	(0.5)	(1.0)	(2.0)	(0.8)
(Loss) income from discontinued operations	$ (0.6)	$ 5.1	$ 1.4	$ 5.0