INCOME TAXES (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Federal	Dec. 31, 2011 Federal	Dec. 31, 2012 State
Net operating losses
Operating loss carryforwards		$ 23.9	$ 50.9	$ 297.0
Decrease in valuation allowance	13.2
Carryforward related to windfall tax benefits		1.4
Valuation allowance related to portion of tax operating loss carryforwards and other deferred tax assets	$ 55.0