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Note 13 - Income Taxes (Detail)	3 Months Ended
Note 13 - Income Taxes (Detail)	Mar. 31, 2013	Mar. 31, 2012
Effective Income Tax Rate, Continuing Operations	31.50%	35.40%

- 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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