Income Tax Provision	9 Months Ended
Income Tax Provision	Sep. 30, 2013
Income Tax Provision [Abstract]
Income Tax Provision	(6) Income Tax Provision For the three and nine months ended September 30, 2013, we had an effective income tax rate of 37.1% and 38.9%, respectively compared to an effective income tax rate of 39.2% for the three and nine months ended September 30, 2012. The effective income tax rates for the periods presented were different from the statutory United States federal income tax rate of 35% primarily due to state income taxes, non-deductible share-based compensation expense, the qualified manufacturing activities deduction, and non-deductible meals and entertainment costs. We made federal and state income tax payments, net of refunds, of $9.3 million in the nine months ended September 30, 2013, compared to $12.7 million in net payments for the same period of the prior year.

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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