Income Taxes	9 Months Ended
Sep. 30, 2011
Income Taxes [Abstract]
Income Taxes	Note 6 — Income Taxes The income tax (benefit) expense for the three and nine months ended September 30, 2011 and 2010 were determined based upon the Company’s estimated consolidated effective income tax rates of 36.2% and 36.4% for the years ending December 31, 2011 and 2010, respectively. The differences between the estimated consolidated effective income tax rate and the U.S. federal statutory rate are primarily attributable to state income taxes and available domestic manufacturing deductions. In addition, the income tax (benefit) expense for the three and nine months ended September 30, 2011 reflects the settlement of the audits of the Company’s 2008 and 2009 federal tax returns and the settlement of the audits of several 2007 and 2008 state income tax returns. Also, the income tax expense for the three and nine months ended September 30, 2010 reflects the settlement of the audit of the Company’s 2007 federal tax return and the expiration of state statutes of limitations resolving previously unrecognized tax benefits.

Income Taxes

9 Months Ended

Sep. 30, 2011

Note 6 — Income Taxes

The income tax (benefit) expense for the three and nine months ended September 30, 2011 and 2010 were determined based upon the Company’s estimated consolidated effective income tax rates of 36.2% and 36.4% for the years ending December 31, 2011 and 2010, respectively. The differences between the estimated consolidated effective income tax rate and the U.S. federal statutory rate are primarily attributable to state income taxes and available domestic manufacturing deductions.

In addition, the income tax (benefit) expense for the three and nine months ended September 30, 2011 reflects the settlement of the audits of the Company’s 2008 and 2009 federal tax returns and the settlement of the audits of several 2007 and 2008 state income tax returns. Also, the income tax expense for the three and nine months ended September 30, 2010 reflects the settlement of the audit of the Company’s 2007 federal tax return and the expiration of state statutes of limitations resolving previously unrecognized tax benefits.