INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Inventories	$ 21.2	$ 30.9
Net operating loss carryforwards - U.S.	161.0	140.4
Net operating loss carryforwards - foreign	47.0	50.5
Employee benefits	54.5	91.7
Sales related reserves	19.1	23.9
Foreign currency translation adjustment	10.3	9.9
Other	67.6	89.4
Total gross deferred tax assets	380.7	436.7
Less valuation allowance	(90.7)	(81.4)
Total deferred tax assets, net of valuation allowance	290.0	355.3
Deferred tax liabilities:
Plant, equipment and other assets	(21.7)	(26.0)
Intangibles	(95.0)	(132.4)
Other	(36.0)	(57.6)
Total gross deferred tax liabilities	(152.7)	(216.0)
Net deferred tax assets	$ 137.3	$ 139.3