INCOME TAXES (Details 1) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 22, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Effective Tax Rate, Discrete Items, net		$ 0.5	$ 6.7	$ 2.7	$ 17.7
Effective Tax Rate, Discrete Items, net Percent		25.60%	23.80%	25.10%	24.80%
Statutory federal tax rate	35.00%			21.00%
U.S. Tax Cuts and Jobs Act Provisional Benefit						$ 437.9
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount						315.8
Effective Tax Rate, Unremitted Foreign Earnings in Excess of One-time Transition Tax						122.1
2017 Tax Act, Unremitted Foreign Earnings Benefit, Amount						162.6
2017 Tax Act, One-time Transition Tax, Amount		$ 4.6		$ 2.9		40.5
2017 Tax Act, One-time Transition Tax, Amount Decreases		(0.4)		(0.1)
Impact on the effective tax rate, if recognized		32.4	$ 33.5	32.4	$ 33.5
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits		33.3	$ 35.0	33.3	35.0	$ 36.3	$ 38.4
Increases for prior year tax positions				0.0	4.9
Decreases for prior year tax positions				(4.6)	(9.2)
Increases for current year tax positions				1.6	2.0
Settlement with taxing authorities				0.0	(1.0)
Reductions due to statute of limitations				0.0	$ (0.1)
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit		$ 6.9		$ 6.9