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Income Taxes
6 Months Ended
Jun. 30, 2011
Income Taxes [Abstract]  
Income Taxes
ncome Tax Disclosure
N.   The effective tax rate was 138 percent for the six months ended June 30, 2011 primarily due to an increase in the valuation allowance related to net operating losses and losses in certain jurisdictions providing no tax benefit.
 
    As a result of tax audit closings, settlements and expiration of applicable statutes of limitations in various jurisdictions within the next 12 months, the Company anticipates that it is reasonably possible that the liability for uncertain tax positions could be reduced by approximately $6 million.