DEBT (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Line of credit facility disclosures
Debt Instrument, Face Amount	$ 1,500.0	$ 1,500.0
Line of Credit Facility, Description	5
Short-term borrowings	1.5	2.0
Line of Credit Facility, Interest Rate at Period End	31.00%
Term of credit facility	Jun. 30, 2016
Line of credit, maximum amount of outstanding borrowings and letters of credit permitted at any one time	500.0
Line of credit, potential maximum with Company's request and lender consent	750.0
Credit Facility covenant, consolidated total debt to consolidated EBITDA ratio, numerator(cannot exceed)	3.25
Credit Facility covenant, consolidated total debt to consolidated EBITDA ratio, denominator	1.0
Credit Facility covenant, consolidated EBITDA to consolidated interest expense ratio, numerator (cannot be less)	3.0
Credit Facility covenant, consolidated EBITDA to consolidated interest expense ratio, denominator	1.0
Description of interest rate basis	LIBOR
Credit facility, commitment fee percentage	0.20%
Lower limit
Line of credit facility disclosures
Range of margin added to base rate (as a percent)	0.075%
Upper limit
Line of credit facility disclosures
Range of margin added to base rate (as a percent)	1.45%
3.50% Notes due 2014
Line of credit facility disclosures
Debt Instrument, Face Amount	$ 500.0	$ 500.0
Stated rate (as a percent)	3.50%	3.50%