DEBT (Details) In Millions, unless otherwise specified	3 Months Ended		3 Months Ended
	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 Nutricion para el Conosur S.A. ARS	Mar. 15, 2012 Nutricion para el Conosur S.A. ARS	Mar. 31, 2013 Lower limit	Mar. 31, 2013 Upper limit
Line of credit facility disclosures
Line of Credit Facility, Description	5
Short-term borrowings	$ 103.1	$ 161.0
Credit facility weighted average interest rate (as a percent)	1.54%
Line of Credit Facility, Interest Rate at Period End	1.67%
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
Range of margin added to base rate (as a percent)					0.075%	1.45%
Credit facility, commitment fee percentage	0.20%
Purchase price allocation, Total consideration transferred				850.7
Note payable, acquisition date				377.6
Note Payable	$ 19.1	$ 26.0	85.1
Interest through March 15, 2013 Note Payable			14.00%
Stated rate (as a percent)			0.85%