INCOME TAXES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Effective Tax Rate Reconciliation, Net Benefit from Discrete Items	$ 2.9	$ 452.3	$ 3.9
U.S Tax Cuts and Jobs Act Net Benefit Increase	$ 3.8
Effective Tax Rate Adjusted for Discrete Items	25.70%	17.10%	77.20%
Statutory federal tax rate	21.00%	35.00%	35.00%
2017 Tax Act, Change in Enacted Tax Rate, Amount		$ 315.8
2017 Tax Act, Unremitted Foreign Earnings Amount 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		40.5
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	$ 50.2	53.3
Deferred state tax benefits relating to net operating losses	12.2
State tax credit carryforward	18.1
Capital loss carry-forward	8.3
Deferred Tax Assets, Capital Loss Carryforwards	2.0
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	5.0
Valuation allowance	147.4	121.4	$ 29.0
Increases in Valuation Allowances in Foreign Jurisdictions	26.0
Unrecognized tax benefits [Abstract]
Unrecognized Tax Benefits	33.8	36.3	38.4
Impact on the effective tax rate, if recognized	33.0	35.5
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount		9.5
Interest and penalties accrued	1.6	1.2
Interest and penalties expense (benefit)	0.4	$ (1.8)	$ (0.4)
Reasonable possibility that unrecognized tax benefits will decrease over next twelve months	7.2
United States
Operating Loss Carryforwards [Line Items]
Net operating loss carry-forward (NOL)	0.5
Deferred Tax Assets, Operating Loss Carryforwards	0.1
Foreign
Operating Loss Carryforwards [Line Items]
Net operating loss carry-forward (NOL)	225.8
Deferred Tax Assets, Operating Loss Carryforwards	38.0
Operating Loss Carryforwards Subject to Expiration	44.8
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	11.0
Operating Loss Carryforwards Not Subject to Expiration	181.0
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	$ 27.0