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Income Taxes
9 Months Ended
Sep. 30, 2013
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes:
The effective income tax rate for the three-month and nine-month periods ended September 30, 2013 was 22.8% , compared to 23.4% and 26.6% for the three-month and nine-month periods ended September 30, 2012, respectively. The Company’s effective income tax rate fluctuates based on, among other factors, our level and location of income. The difference between the U.S. federal statutory income tax rate and our effective income tax rate for the 2013 and 2012 periods is mainly due to the impact of earnings from outside the U.S. Our effective income tax rate for the nine-month period ended September 30, 2012 was also impacted by $94.7 million in pre-tax charges ($73.6 million after income taxes) associated with our exit of the phosphorus flame retardants business (see Note 13).