OTHER - Other Expense - Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other Income and Expenses [Abstract]
Investment and royalty income	$ (3.1)	$ (2.2)	$ (5.7)	$ (7.8)
Loss on extinguishment of debt		14.8	21.3	14.8
Net expense from banking activities	2.6	2.6	7.8	8.0
Foreign currency transaction related (gains) losses	(0.1)	16.4	10.3	12.5
Domestic pension plan settlement expense				32.4
Miscellaneous pension (income) expense	1.3	1.8	3.6	5.9
Other income	(8.4)	(6.0)	(19.5)	(21.5)
Other expense	9.5	3.7	12.8	10.6
Other expense - net	$ 1.8	$ 31.1	$ 30.6	$ 54.9