INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
INCOME TAXES
Effective income tax rate (benefit)/provision (as a percent)	30.20%	(0.10%)	31.50%	27.30%
Change in uncertain tax positions		$ 3.3		$ 6.4