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Acquisition	6 Months Ended
	Jun. 30, 2011
Acquisition
Acquisition	13. During the six month period ended June 30, 2011, the Company recorded further purchase accounting entries related to the product line acquisitions completed during the final quarter of 2010. As a result, the Company recorded $6,802 as additions to intangible assets and related liability. These amounts relate to estimated earn out payments over the next five years. Allocation of the 2010 acquisitions was $25,764 to product rights, $12,626 to trademarks and $1,091 to customer lists.

X

- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

+ Details

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Namespace Prefix:	avd
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	us-gaap_BusinessCombinationsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration