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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Income Tax Contingency [Line Items]          
Effective tax rate 17.20% 25.52579% 19.30% 25.28327%  
Federal statutory rate     21.00% 35.00%  
Unrecognized Tax Benefits $ 1.6   $ 1.6   $ 4.3
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 0.2   $ 0.2