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Note 11 - Income Taxes	3 Months Ended
Note 11 - Income Taxes	Mar. 31, 2012
Income Tax Disclosure [Text Block]	11. Income Taxes The effective tax rate for the first quarter of 2012 was 29.3% compared to an effective tax rate of 29.5% in the first quarter of 2011. The effective rates for both the first quarter of 2012 and 2011 are lower than the U.S. statutory rate primarily resulting from income in foreign jurisdictions being taxed at rates lower than the U.S.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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+ Details