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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
INCOME TAXES        
Effective tax rate (as a percent) 29.60% 24.60% 30.00% 23.20%
RSU vesting and dividends adjustments     $ 2.2