Income Taxes	3 Months Ended
Mar. 31, 2013
Income Taxes
Income Taxes	(8) Income Taxes The Company’s effective tax rates for the three months ended March 31, 2013 and 2012 were 38.1% and 133.7%, respectively. The current period income tax expense of $9.1 million includes discrete items of $0.4 million, related mainly to a favorable state audit settlement and an adjustment to state tax attributes. For financial statement purposes the Company uses the more-likely-than-not recognition threshold and a tax benefit measurement process for recording changes to unrecognized tax benefits. The Company recognizes interest and penalties on any income tax liabilities as a component of its income tax provision. The total amounts of gross unrecognized tax benefits recorded were approximately $4.1 million and $4.0 million as of March 31, 2013 and December 31, 2012, respectively. The Company’s 2010 U.S. Federal tax return is currently being audited by the Internal Revenue Service. The Company currently does not expect any material adjustments to arise from this audit.

Income Taxes

3 Months Ended

Mar. 31, 2013

(8) Income Taxes

The Company’s effective tax rates for the three months ended March 31, 2013 and 2012 were 38.1% and 133.7%, respectively. The current period income tax expense of $9.1 million includes discrete items of $0.4 million, related mainly to a favorable state audit settlement and an adjustment to state tax attributes.

For financial statement purposes the Company uses the more-likely-than-not recognition threshold and a tax benefit measurement process for recording changes to unrecognized tax benefits. The Company recognizes interest and penalties on any income tax liabilities as a component of its income tax provision. The total amounts of gross unrecognized tax benefits recorded were approximately $4.1 million and $4.0 million as of March 31, 2013 and December 31, 2012, respectively.

The Company’s 2010 U.S. Federal tax return is currently being audited by the Internal Revenue Service. The Company currently does not expect any material adjustments to arise from this audit.