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Note 7 - Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Effective Income Tax Rate, Continuing Operations	20.00%	32.10%
Unrecognized Tax Benefits (in Dollars)	$ 0.2

- 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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