Divestitures and Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Combination and Asset Acquisition [Abstract]
Sales	$ 349.3	$ 759.0	$ 746.5
Cost of sales	262.9	567.3	572.1
Other costs and expenses	100.9	194.7	483.4
Loss from discontinued operations before income taxes	(14.5)	(3.0)	(309.0)
Income tax benefit	(1.3)	(0.7)	(73.4)
Loss from discontinued operations, net of tax	(13.2)	(2.3)	(235.6)
Loss from sale of discontinued operations	187.6	0.0	0.0
Provision for income taxes	(45.0)	0.0	0.0
Loss from sale of discontinued operations, net of tax	142.6	0.0	0.0
Net loss from discontinued operations	$ (155.8)	$ (2.3)	$ (235.6)