Supplementary Data Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Expense, Net [Abstract]
Net losses on sales of businesses	$ (6.4)	$ (12.5)
Loss on Extinguishment of Debt	0.0	(74.0)
Other Expense, Net, Other	(0.2)	(2.6)
Other Expense, Net	$ (6.2)	$ (83.9)