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Income Taxes
3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]  
Income Taxes

8. Income Taxes

The tax provision for 2015 and 2014 reflects a 34% U.S. tax rate related to the equity in foreign joint ventures’ operations, net of dividends received for an effective rate of 0% because of the expected mix of US income or loss, foreign equity income and dividends.