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Reclassification | 3 Months Ended
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Mar. 31, 2015
Reclassification | 9. Reclassification—Certain items may have been reclassified in the prior period condensed consolidated financial statements to conform with the March 31, 2015 presentation.

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- Definition Disclosure of certain items which may have been reclassified (if appropriate), in the prior period consolidated financial statements to conform with the current presentation. + References No definition available. + Details
Name: | avd_DisclosureOfReclassificationTextBlock
Namespace Prefix: | avd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration