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Note 12 - Income Taxes (Details)	9 Months Ended
Note 12 - Income Taxes (Details)	Sep. 30, 2012	Sep. 30, 2011
Effective Income Tax Rate, Continuing Operations	20.64%	18.29%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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