Income Taxes	3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	16. INCOME TAXES Our continuing operations effective income tax rate for the three months ended March 31, 2016 was 42.9 percent, compared to 500.0 percent for the three months ended March 31, 2015. The continuing operations effective income tax rates were determined using the estimated annual effective tax rate after considering discrete income tax items for each respective period. The continuing operations effective income tax rate for the three months ended March 31, 2016 was higher than the United States statutory federal income tax rate primarily due to various favorable permanent differences including deductions for depletion and manufacturing activities. The continuing operations effective income tax rate for the three months ended March 31, 2015 was higher than the United States statutory federal income tax rate primarily due to losses generated within a tax jurisdiction for which an income tax benefit was not recognized, as well as the tax expense associated with the relative mix of earnings in the various tax jurisdictions in which we operate.

Income Taxes

3 Months Ended

Mar. 31, 2016

16. INCOME TAXES

Our continuing operations effective income tax rate for the three months ended March 31, 2016 was 42.9 percent, compared to 500.0 percent for the three months ended March 31, 2015. The continuing operations effective income tax rates were determined using the estimated annual effective tax rate after considering discrete income tax items for each respective period. The continuing operations effective income tax rate for the three months ended March 31, 2016 was higher than the United States statutory federal income tax rate primarily due to various favorable permanent differences including deductions for depletion and manufacturing activities. The continuing operations effective income tax rate for the three months ended March 31, 2015 was higher than the United States statutory federal income tax rate primarily due to losses generated within a tax jurisdiction for which an income tax benefit was not recognized, as well as the tax expense associated with the relative mix of earnings in the various tax jurisdictions in which we operate.