INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Inventories	$ 23.6	$ 21.2
Net operating loss carryforwards - U.S.	160.8	161.0
Net operating loss carryforwards - foreign	69.7	47.0
Disallowed Interest Carryover - U.S.	42.8	0.0
Employee benefits	53.6	54.5
Sales-related reserves	21.1	19.1
Foreign currency translation adjustment	1.1	10.3
Other	50.4	67.6
Total gross deferred tax assets	423.1	380.7
Less valuation allowance	(165.7)	(90.7)
Total deferred tax assets, net of valuation allowance	257.4	290.0
Deferred tax liabilities:
Plant, equipment and other assets	(32.6)	(21.7)
Intangibles	(81.5)	(95.0)
Other	(12.1)	(36.0)
Total gross deferred tax liabilities	(126.2)	(152.7)
Net deferred tax assets	$ 131.2	$ 137.3