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Income Taxes
9 Months Ended
Sep. 30, 2013
Income Taxes  
Income Taxes

Note 4—Income Taxes

        The Company estimates its annual effective tax rate based on projected financial income for the full year at the end of each interim reporting period unless projected financial income for the full year is close to break-even, in which case the annual effective tax rate could distort the income tax provision for an interim period. When this happens, the Company calculates the interim income tax provision using actual year-to-date financial results for certain jurisdictions. This method results in an income tax provision based solely on the year-to-date financial taxable income or loss for those jurisdictions. In both cases, the tax effect of unusual or infrequently occurring items, including effects of changes in tax laws or rates, are reported in the interim period in which they occur.

        For the nine months ended September 30, 2013, the income tax benefit was determined based on the annual effective tax rate method. The Company recognized an income tax benefit of $132.8 million for the nine months ended September 30, 2013, compared to an income tax benefit of $28.0 million for the nine months ended September 30, 2012. The increase in the income tax benefit year-over-year was primarily attributable to an increase in pre-tax operating losses, excluding the 2012 non-deductible goodwill impairment charge, for the current period as compared to the prior year. The 2013 and 2012 income tax provisions reflect the benefits of the Canadian and U.K. Operations which are taxed at statutory rates lower than the U.S. rate and the effects of additional tax losses related to foreign financing activities. The income tax provisions for the nine months ended September 30, 2013 and 2012 also reflect statutory depletion deductions from the Alabama mining operations.

        The current year provision for income taxes includes a benefit of $11.2 million attributable to foreign currency exchange rate fluctuations on foreign deferred tax liabilities. Additionally, the income tax provision for the three and nine months ended September 30, 2013 includes a non-cash deferred income tax charge of $13.7 million to reflect the revaluation of our Canadian and U.K. Operations deferred tax liabilities as the result of changes to the statutory corporate tax rates in each jurisdiction and a non-cash deferred income tax charge of $10.3 million related to foreign financing activities.