OTHER - Other General Expense - Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Provisions for environmental matters - net	$ 8.5	$ 6.7	$ 10.7	$ 7.3
(Gain) loss on sale or disposition of assets	(9.6)	0.5	(8.1)	(0.6)
Other general (income) expense - net	$ (1.1)	$ 7.2	$ 2.6	$ 6.7