PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Components of net periodic benefit cost (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
U.S. Pension Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.1	$ 0.1	$ 0.3	$ 0.1
Interest cost	2.7	1.8	8.1	1.8
Expected return on plan assets	(3.7)	(2.4)	(11.1)	(2.4)
Amortization of prior service credit	0	0	0	0
Net periodic (benefit) cost	(0.9)	(0.5)	(2.7)	(0.5)
Non-U.S. Pension Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.0	0.7	3.0	1.2
Interest cost	2.1	1.4	6.4	1.6
Expected return on plan assets	(2.0)	(1.2)	(6.0)	(1.2)
Amortization of prior service credit	0	0	0	0
Net periodic (benefit) cost	1.1	0.9	3.4	1.6
Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.4	0.4	1.2	0.4
Interest cost	0.6	0.6	1.8	0.6
Expected return on plan assets	(0.1)	(0.1)	(0.3)	(0.1)
Amortization of prior service credit	(0.6)	0	(1.8)	0
Net periodic (benefit) cost	$ 0.3	$ 0.9	$ 0.9	$ 0.9