INCOME TAXES UNCERTAINTIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
INCOME TAX UNCERTAINITIES
Income tax uncertainties	$ 5.8	$ 6.4
Change in income tax uncertainties	0.6
Amount of income tax uncertainties that, if recognized, would impact the effective tax rate	5.7	6.3
Decrease in liability for uncertain tax positions, high end of range	$ 5.4
Number of months, in which liability for uncertain tax positions will decrease	12 months