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Note 14 - Income Taxes	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Income Tax Disclosure [Text Block]	14. Income Taxes The effective income tax rates for the six months ended June 30, 2021 and 2020 were 22.7% and 20.7%, respectively. The increase in the effective tax rate was primarily due to a discrete tax item created by a legislative tax rate change in a foreign jurisdiction which revalued deferred tax liabilities by $7.0 million during the current year second quarter.

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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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