DEBT (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 USD ($)	Mar. 15, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 Nutricion para el Conosur S.A. USD ($)	Dec. 31, 2012 Nutricion para el Conosur S.A. ARS	Mar. 15, 2012 Nutricion para el Conosur S.A. ARS	Dec. 31, 2012 Lower limit	Dec. 31, 2012 Upper limit
Line of credit facility disclosures
Term of credit facility	5
Short-term borrowings	$ 161.0		$ 0
Credit facility weighted average interest rate (as a percent)	1.56%
Line of Credit Facility, Interest Rate at Period End	1.58%
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%
Percentage of outstanding shares of capital stock acquired						80.00%
Purchase price allocation, Total consideration transferred		195.8				850.7
Note payable, acquisition date						377.6
Note Payable	26.0		0	26.0	127.6
Note payable payment March2013					42.5
Fourth installment amount after approval from Argentine regulatory				$ 85.1
Stated rate (as a percent)				14.00%	14.00%