Income Taxes	6 Months Ended
Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our effective tax rate was 40.9% and 40.2% for the three and six months ended June 30, 2013, respectively, and for the same periods in 2012. The total gross amount of unrecognized tax benefits related to federal, state and foreign taxes, was approximately $1.9 million and $1.6 million at June 30, 2013 and December 31, 2012, respectively, all of which would impact our effective tax rate, if recognized. The expiration of the statute of limitations for certain tax positions in future years and expected settlement of certain tax audit issues could impact the total gross amount of unrecognized tax benefits by $1.3 million through June 30, 2014. We file U.S. federal, state and foreign income tax returns in jurisdictions with varying statutes of limitations. In 2011, the IRS initiated an examination of our federal tax returns for 2009 and 2010. The examination was finalized in the first quarter of 2013 and resulted in no adjustments. The 2011 to 2012 tax years remain subject to examination by federal authorities. In addition, certain income tax returns related to two of our recent acquisitions are still subject to examination by federal and state tax authorities for 2009 to 2012 tax years. The 2009 to 2012 tax years remain subject to examination by state tax authorities with the 2008 tax year still open for certain state tax authorities. The 2005 to 2012 tax years remain subject to examination by the tax authorities in Canada.

Income Taxes

6 Months Ended

Jun. 30, 2013

Our effective tax rate was 40.9% and 40.2% for the three and six months ended June 30, 2013, respectively, and for the same periods in 2012.

The total gross amount of unrecognized tax benefits related to federal, state and foreign taxes, was approximately $1.9 million and $1.6 million at June 30, 2013 and December 31, 2012, respectively, all of which would impact our effective tax rate, if recognized. The expiration of the statute of limitations for certain tax positions in future years and expected settlement of certain tax audit issues could impact the total gross amount of unrecognized tax benefits by $1.3 million through June 30, 2014.

We file U.S. federal, state and foreign income tax returns in jurisdictions with varying statutes of limitations. In 2011, the IRS initiated an examination of our federal tax returns for 2009 and 2010. The examination was finalized in the first quarter of 2013 and resulted in no adjustments. The 2011 to 2012 tax years remain subject to examination by federal authorities. In addition, certain income tax returns related to two of our recent acquisitions are still subject to examination by federal and state tax authorities for 2009 to 2012 tax years. The 2009 to 2012 tax years remain subject to examination by state tax authorities with the 2008 tax year still open for certain state tax authorities. The 2005 to 2012 tax years remain subject to examination by the tax authorities in Canada.