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Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Note 9 — Income Taxes During the three months ended June 30, 2013 and 2012, the Company recorded approximately $10,172 and $4,747, respectively, of income taxes, which resulted in estimated annual effective tax rates of 38.5% and 39.5%, respectively. During the six months ended June 30, 2013 and 2012, the Company recorded approximately $22,955 and $9,160, respectively, of income taxes, which resulted in estimated annual effective tax rates of 38.5% and 39.2%, respectively. The Company’s estimated annual effective tax rate differs from the statutory federal income tax rate due to state and foreign income taxes and stock-based compensation as well as certain nondeductible items.

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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