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Income Taxes
6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]  
Income Taxes
 Income Taxes
 
The provision for income taxes for the first six months of 2012 reflects an estimated annual effective tax rate of 30.5 percent compared to 29 percent for the first six months of 2011 and 26.5 percent for the full-year 2011, excluding the items discussed below. The increase from full-year 2011 is primarily due to expected changes in our geographic mix of profits from a tax perspective and the expiration of the U.S. research and development tax credit.

The 2012 tax provision also includes a negative impact of $75 million from goodwill not deductible for tax purposes related to the divestiture of portions of the Bucyrus distribution business. A $72 million net benefit was recorded in the second quarter of 2011 due to planned repatriation of non-U.S. earnings offset by an increase in unrecognized tax benefits.