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
Possible reduction in unrecognized tax benefits due to expected closure of Appeals process			$ 17.0
Effective tax rate (as a percent)	34.30%	29.30%	33.90%	32.20%