MARKETING AGREEMENT - Additional Information (Detail) (Monsanto Marketing Agreement, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Marketing Agreement [Line Items]
Annual contribution payment	$ 20
Initial consideration for marketing rights	32
Useful life of Marketing Agreement	20 years
Remaining amortization period of Marketing Agreement	seven years
Termination provision	Monsanto may also be able to terminate the Marketing Agreement within a given region, including North America, without paying a termination fee if unit volume sales to consumers in that region decline: (1) over a cumulative three-fiscal-year period; or (2) by more than 5% for each of two consecutive years.
Minimum
Marketing Agreement [Line Items]
Termination fee received except in an event of default by the Company	$ 16
Contingency, A
Marketing Agreement [Line Items]
Termination criteria period	3 years
Contingency, B
Marketing Agreement [Line Items]
Termination criteria period	2 years
Contingency, B | Minimum
Marketing Agreement [Line Items]
Percentage of unit volume sales	5.00%
European Union
Marketing Agreement [Line Items]
Expiration of current term	Sep. 30, 2013
European Union | Automatic Renewal
Marketing Agreement [Line Items]
Final renewal term	2 years
European Union | Additional Renewal
Marketing Agreement [Line Items]
Final renewal term	3 years