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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The provision for income taxes as a percentage of earnings before income taxes for the first quarter of 2015 was 37.2% compared to 37.4% in the first quarter of 2014. Interim provisions are tied to an estimate of the overall annual rate which can vary due to state taxes, the relationship of foreign and domestic earnings, and production credits available. These items cause variations between periods.

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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