INCOME TAXES (Condensed) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
INCOME TAXES
Statutory federal tax rate (as a percent)			35.00%
State tax, low end of range of rate (as a percent)			6.00%
State tax, high end of range of rate (as a percent)			6.50%
Effective tax rate (as a percent)	37.50%	39.30%	37.80%	38.80%
Income taxes paid (in dollars)			$ 2.2	$ 2.9
Income tax refunds received (in dollars)			$ 10.8	$ 0.1