Other Expense (Income) - Other General Expense, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Income and Expenses [Abstract]
Provisions for environmental matters - net	$ (4.0)	$ 37.1	$ 23.0
Loss on divestiture of business	111.9	0.0	0.0
(Gain) loss on sale or disposition of assets	(6.1)	(9.4)	16.1
Total	$ 101.8	$ 27.7	$ 39.1