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INCOME TAX UNCERTAINTIES (Details) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
INCOME TAX UNCERTAINTIES    
Income tax uncertainties $ 8.3 $ 7.9
Amount of income tax uncertainties that, if recognized, would impact the effective tax rate 8.3 $ 7.9
Decrease in liability for uncertain tax positions, high end of range $ 6.3