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Components of Basic and Diluted Earnings Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator:
Net income attributable to AVD	$ 2,772	$ 732	$ 3,604	$ 3,036
Denominator:
Weighted average shares outstanding-basic	28,753	28,466	28,653	28,422
Dilutive effect of stock options and grants	536	331	555	466
Weighted average shares outstanding-assuming dilution	29,289	28,797	29,208	28,888

X

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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