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RETIREMENT PLANS AND OTHER BENEFITS - Changes in Plan Assets and Benefit Obligations Recognized in OCI and Asset Allocation (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2018	Nov. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2019
Pension Plan \| Non-U.S. Plans
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Net (gain) loss			$ 0.9	$ (0.7)
Amortization of actuarial gain (loss)			(3.2)	(3.5)
Amortization of prior service cost			2.5	0.0
Disposals			0.0	(79.4)
Settlements			(0.8)	(1.5)
Foreign exchange effect			(3.7)	7.1
Total recognized in other comprehensive income			(4.3)	(78.0)
Amounts expected to be recognized as components of net periodic cost at the end of the period
Actuarial net loss	$ 3.3		3.3
Prior service cost	0.1		0.1
Total amount expected to be recognized as components of net periodic cost at the end of the period	3.4		3.4
Accumulated Benefit Obligations in Excess of Plan Assets
Projected benefit obligation	210.6		210.6	231.6
Accumulated benefit obligation	208.5		208.5	229.4
Fair value of plan assets	$ 107.5		$ 107.5	$ 121.2
Investment Strategy [Abstract]
Expected return on plan assets			4.40%	4.43%	5.90%
Pension Plan \| Non-U.S. Plans \| Fixed Income Securities
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	76.00%		76.00%	72.00%
Pension Plan \| Non-U.S. Plans \| Equity Funds
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	24.00%		24.00%	28.00%
Pension Plan \| Non-U.S. Plans \| North America
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	10.00%		10.00%
Pension Plan \| Non-U.S. Plans \| Europe
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	90.00%		90.00%
Pension Plan \| Non-U.S. Plans \| Subsequent Event \| Minimum \| Equity Securities
Investment Strategy [Abstract]
Target plan asset allocations						29.00%
Pension Plan \| Non-U.S. Plans \| Subsequent Event \| Minimum \| Fixed Income Securities
Investment Strategy [Abstract]
Target plan asset allocations						69.00%
Pension Plan \| Non-U.S. Plans \| Subsequent Event \| Maximum \| Equity Securities
Investment Strategy [Abstract]
Target plan asset allocations						31.00%
Pension Plan \| Non-U.S. Plans \| Subsequent Event \| Maximum \| Fixed Income Securities
Investment Strategy [Abstract]
Target plan asset allocations						71.00%
Pension Plan \| U.S. Plan
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Net (gain) loss			$ 4.7	$ (6.8)
Amortization of actuarial gain (loss)			(3.4)	(4.1)
Amortization of prior service cost			(0.1)	(0.1)
Disposals			0.0	0.0
Settlements			(67.0)	0.0
Foreign exchange effect			0.0	0.0
Total recognized in other comprehensive income			(65.8)	(11.0)
Amounts expected to be recognized as components of net periodic cost at the end of the period
Actuarial net loss	$ (0.3)		(0.3)
Prior service cost	0.1		0.1
Total amount expected to be recognized as components of net periodic cost at the end of the period	(0.2)		(0.2)
Accumulated Benefit Obligations in Excess of Plan Assets
Projected benefit obligation	39.1		39.1	160.4
Accumulated benefit obligation	35.1		35.1	153.3
Fair value of plan assets	$ 0.0		0.0	$ 118.5
Investment Strategy [Abstract]
Expected return on plan assets	0.00%	7.00%		7.00%	7.00%
Pension Plan \| U.S. Plan \| Equity Securities
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage				31.00%
Pension Plan \| U.S. Plan \| Fixed Income Securities
Investment Strategy [Abstract]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage				69.00%
Other Benefits
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Net (gain) loss			(0.3)	$ (0.3)
Amortization of actuarial gain (loss)			(0.1)	1.2
Amortization of prior service cost			0.0	0.0
Disposals			0.0	0.0
Settlements			0.0	0.0
Foreign exchange effect			0.0	0.0
Total recognized in other comprehensive income			(0.4)	$ 0.9
Amounts expected to be recognized as components of net periodic cost at the end of the period
Actuarial net loss	$ 0.0		0.0
Prior service cost	0.0		0.0
Total amount expected to be recognized as components of net periodic cost at the end of the period	$ 0.0		$ 0.0