Income Taxes	3 Months Ended
Mar. 31, 2016
Income Taxes [Abstract]
Income Taxes	Note 10. Income Taxes The Company's combined effective income tax rates were 37.4% and 37.1% for the three-month periods ended March 31, 2016 and 2015, respectively. The Company's effective tax rate for the three-month period ended March 31, 2016 includes the effect of state income taxes and other discrete items as well as a benefit for research and development credits. The Company's effective tax rate for the three-month period ended March 31, 2015 includes the effect of state income taxes and other discrete items but does not include benefits for the research and development credits as legislation extending the 2015 research and development credit was not enacted by Congress until the fourth quarter of 2015. The Company's recorded liability for uncertain tax positions as of March 31, 2016 has decreased by approximately $284 as compared to December 31, 2015 as the result of a tax audit settlement related to tax years 2011 and 2012.

Income Taxes

3 Months Ended

Mar. 31, 2016

Note 10. Income Taxes

The Company's combined effective income tax rates were 37.4% and 37.1% for the three-month periods ended March 31, 2016 and 2015, respectively. The Company's effective tax rate for the three-month period ended March 31, 2016 includes the effect of state income taxes and other discrete items as well as a benefit for research and development credits. The Company's effective tax rate for the three-month period ended March 31, 2015 includes the effect of state income taxes and other discrete items but does not include benefits for the research and development credits as legislation extending the 2015 research and development credit was not enacted by Congress until the fourth quarter of 2015.

The Company's recorded liability for uncertain tax positions as of March 31, 2016 has decreased by approximately $284 as compared to December 31, 2015 as the result of a tax audit settlement related to tax years 2011 and 2012.