EMPLOYEE BENEFIT PLANS - Fair value of pension and postretirement benefit plan assets assumed in connection with the Acquisition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	$ 182.3	$ 196.6	$ 197.3
Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	126.0	140.5	139.1
Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	3.5	9.1	$ 14.5
Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	182.3	196.6
Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	126.0	140.5
Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	3.5	9.1
Cash | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	1.3
Cash | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	13.0	14.0
Cash | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.8	3.5
U.S. broad market | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	69.2	74.9
Emerging markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	16.4	15.9
Emerging markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.3	1.0
Non-U.S. developed markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	24.9	25.5
Worldwide developed markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	55.5	61.5
Investment grade | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	53.0	59.4
Investment grade | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	10.4	11.2
Global high yield | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	18.8	19.6
Global high yield | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.8	1.0
Government bond funds | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	40.0	46.4
Other assets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	6.0	5.4
Insurance policies | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	2.7	5.6
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	1.3
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	13.0	14.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.8	3.5
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	1.3
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	13.0	14.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.8	3.5
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. broad market | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Emerging markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Emerging markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S. developed markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Worldwide developed markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Investment grade | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Investment grade | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Global high yield | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Global high yield | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Government bond funds | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other assets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Insurance policies | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Other Observable Inputs (Level 2) | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	182.3	195.3
Significant Other Observable Inputs (Level 2) | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	113.0	126.5
Significant Other Observable Inputs (Level 2) | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	2.7	5.6
Significant Other Observable Inputs (Level 2) | Cash | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Other Observable Inputs (Level 2) | Cash | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Other Observable Inputs (Level 2) | Cash | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Other Observable Inputs (Level 2) | U.S. broad market | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	69.2	74.9
Significant Other Observable Inputs (Level 2) | Emerging markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	16.4	15.9
Significant Other Observable Inputs (Level 2) | Emerging markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.3	1.0
Significant Other Observable Inputs (Level 2) | Non-U.S. developed markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	24.9	25.5
Significant Other Observable Inputs (Level 2) | Worldwide developed markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	55.5	61.5
Significant Other Observable Inputs (Level 2) | Investment grade | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	53.0	59.4
Significant Other Observable Inputs (Level 2) | Investment grade | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	10.4	11.2
Significant Other Observable Inputs (Level 2) | Global high yield | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	18.8	19.6
Significant Other Observable Inputs (Level 2) | Global high yield | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.8	1.0
Significant Other Observable Inputs (Level 2) | Government bond funds | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	40.0	46.4
Significant Other Observable Inputs (Level 2) | Other assets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	6.0	5.4
Significant Other Observable Inputs (Level 2) | Insurance policies | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	2.7	5.6
Significant Unobservable Inputs (Level 3) | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Cash | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Cash | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Cash | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | U.S. broad market | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Emerging markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Emerging markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Non-U.S. developed markets | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Worldwide developed markets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Investment grade | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Investment grade | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Global high yield | Recurring basis | Pension Benefit Plans - U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Global high yield | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Government bond funds | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Other assets | Recurring basis | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	0.0	0.0
Significant Unobservable Inputs (Level 3) | Insurance policies | Recurring basis | Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets	$ 0.0	$ 0.0
Ireland | Pension Benefit Plans - Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of funds held	90.00%	85.00%