INCOME TAXES - Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets
Other accrued liabilities	$ 130.9	$ 122.8
Loss carryforwards	217.2	67.3
Share-based compensation	60.5	58.9
Pension and other comprehensive income	145.8	195.2
Other, net	68.5	132.7
Valuation allowance	(184.4)	(21.3)
Total deferred tax assets	438.5	555.6
Deferred tax liabilities
Property plant and equipment basis differences	(268.5)	(178.4)
Intangible assets	(783.3)	(844.0)
Other, net	(46.2)	(63.2)
Total deferred tax liabilities	(1,098.0)	(1,085.6)
Net deferred tax liabilities balance	$ (659.5)	$ (530.0)