PENSION AND POST-RETIREMENT BENEFITS Saving Plans and Post Retirement Benefits - Estimated Future Benefit Payments (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	$ 0.8
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	0.9
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	0.9
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	0.9
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	0.9
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	4.6
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	41.3
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	42.0
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	42.9
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	43.8
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	44.4
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	$ 231.8