INCOME TAXES - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective tax rate	15.40%	37.90%	21.20%	42.00%
Effective Tax Rate Excluding Non-Deductible Impairment Expense	28.90%		32.80%
Unrecognized tax benefits, net of federal tax benefit, if recognized, would impact effective tax rate	$ 0.9		$ 0.9		$ 0.9
Tax expense related to unrecognized tax benefits	0.1	0.1
Accrued liability for the payment of interest and penalties	0.1		0.1		0.4
Remaining unrecognized tax positions, that may be recognized in the next twelve months	$ 0.4		$ 0.4