Income Taxes	6 Months Ended
Jun. 30, 2012
Income Taxes [Abstract]
Income Taxes	Note 7 Income Taxes The provision for income taxes as a percentage of earnings before income taxes for the second quarter of 2012 was 33.1% compared to 35.7% in the second quarter of 2011, due to the recognition in tax expense in 2012 of favorable state income tax audit outcomes for prior periods. The provision for income taxes as a percentage of earnings before income taxes for the first half of 2012 was 35.1% compared to 35.9% in the first half of 2011.

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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