EMPLOYEE BENEFIT PLANS - Amounts Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S. defined benefit pension plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized actuarial (losses) gains	$ (23.8)	$ (18.2)	$ 11.2
Unrecognized prior service credits	0.0	0.0	0.0
Non-U.S. defined benefit pension plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized actuarial (losses) gains	(39.5)	(72.9)	12.7
Unrecognized prior service credits	23.5	26.8	0.0
U.S. postretirement benefit plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized actuarial (losses) gains	(1.2)	(3.8)	1.0
Unrecognized prior service credits	$ 23.0	$ 25.5	$ 27.9