Supplementary Data Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Expense, Net [Abstract]
Net losses on sales of businesses	$ (0.7)	$ (1.7)	$ (7.1)	$ (14.2)
Loss on Extinguishment of Debt	0.0	0.0	0.0	(74.0)
Other Expense, Net, Other	3.8	(6.4)	3.6	(9.0)
Other Expense, Net	$ (4.5)	$ 4.7	$ (10.7)	$ (79.2)