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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2012
Income Taxes [Abstract]
Income Taxes	F. Income Taxes The effective tax rate for the three months ended March 31, 2012 was 36.5% compared to 36.0% for the prior year three month period. Prior to the consolidation of certain partnerships and offshore entities, in which no tax liability or benefit is recorded at the corporate level but which flow directly to its partners, the effective tax rate was 36.5% and 36.8% for the first quarter of 2012 and 2011, respectively.

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.

+ References

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+ Details