Discontinued Operations and Other Businesses Sold - (Loss) Income from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other expenses:
(Loss) income from discontinued operations, net of tax	$ (0.2)	$ 2.5	$ (2.4)	$ 3.4
Assets disposed of by sales
Summarized Financial Information of Discontinued Operations
Sales	0.0	34.9	0.0	41.3
Cost of sales	0.0	21.8	0.0	26.0
Gross profit	0.0	13.1	0.0	15.3
Selling, general and administrative expenses	0.3	3.8	0.5	4.8
Operating (loss) income	(0.3)	9.3	(0.5)	10.5
Other expenses:
Interest expense, net	0.0	5.9	0.0	5.9
Foreign currency loss	0.0	0.1	0.0	0.1
Other expense, net	0.0	6.0	0.0	6.0
(Loss) income before income taxes	(0.3)	3.3	(0.5)	4.5
Income tax (benefit) expense	(0.1)	0.8	(0.1)	1.1
(Loss) income from discontinued operations before loss on sale of business	(0.2)	2.5	(0.4)	3.4
Loss on sale of business, net of $0.5 of taxes	0.0	0.0	2.0	0.0
(Loss) income from discontinued operations, net of tax	$ (0.2)	$ 2.5	(2.4)	$ 3.4
Tax on loss on sale of business			$ 0.5