PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Changes in net periodic benefit cost
Defined Benefit Plan, Contributions by Employer	$ 1.4	$ 2.6
Pension Benefits
Changes in net periodic benefit cost
Service cost - benefits earned during the period	1.3	1.3
Interest cost on projected benefit obligations	4.0	3.6
Defined Benefit Plan, Amortization of Transition Obligations (Assets)	0.1	0
Expected return on plan assets	(4.0)	(4.3)
Net periodic benefit cost	1.4	0.6
Net Actuarial (Gains)/Losses	0	(15.2)
Total net periodic benefit cost	1.4	(14.6)
Other Benefits
Changes in net periodic benefit cost
Service cost - benefits earned during the period	0.2	0.3
Interest cost on projected benefit obligations	0.4	0.3
Defined Benefit Plan, Amortization of Transition Obligations (Assets)	0	0
Expected return on plan assets	0	0
Net periodic benefit cost	0.6	0.6
Net Actuarial (Gains)/Losses	0	0
Total net periodic benefit cost	$ 0.6	$ 0.6