Collaborative Research and Development Agreements, Distribution Agreements, and Licenses - Additional Information (Detail)	Sep. 30, 2013 t
Unilever
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Minimum supply commitment of oil	10,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Balance Type:	na
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