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Income Taxes | 6 Months Ended
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Jun. 30, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes Our effective tax rate for the three and six months ended June 30, 2019 was 14.1% and 14.0%, respectively, compared to 15.9% and 14.6% for the three and six months ended June 30, 2018, respectively. In both periods, our effective tax rate was favorably impacted by the recognition of income tax benefits related to excess tax benefits from stock option exercises. Excess tax benefits were $30,727 and $59,205 for the three and six months ended June 30, 2019, respectively and $26,456 and $46,022 for the three and six months ended June 30, 2018, respectively.

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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