INCOME TAXES	9 Months Ended
Sep. 30, 2014
INCOME TAXES
INCOME TAXES	14. INCOME TAXES Our effective income tax rates for the three and nine month periods ended September 30, 2014 were provisions of 17.1 percent and 16.6 percent, respectively, compared to provisions of 32.2 percent and 31.8 percent, respectively, for the three and nine month periods ended September 30, 2013. The effective income tax rates were determined using the estimated annual effective tax rate after considering discrete items for each respective period. The effective income tax rates for the three and nine month periods ended September 30, 2014 were lower than the United States statutory federal income tax rate primarily due to various permanent differences including deductions for manufacturing as well as the favorable impact of changes in uncertain tax positions of $4.5 million and $8.0 million for the three and nine month periods ended September 30, 2014, respectively, and the favorable impact of the expiration of a statutory time period that would have impacted the tax deductibility of certain accruals of $2.1 million for the three month period ended September 30, 2014. The effective income tax rates for the three and nine month periods ended September 30, 2013 were lower than the United States statutory federal income tax rate primarily due to various permanent differences, including deductions for manufacturing activities and the favorable impact of changes in uncertain tax positions of $2.8 million and $3.7 million for the three and nine months ended September 30, 2013, respectively.

INCOME TAXES

9 Months Ended

Sep. 30, 2014

14. INCOME TAXES

Our effective income tax rates for the three and nine month periods ended September 30, 2014 were provisions of 17.1 percent and 16.6 percent, respectively, compared to provisions of 32.2 percent and 31.8 percent, respectively, for the three and nine month periods ended September 30, 2013. The effective income tax rates were determined using the estimated annual effective tax rate after considering discrete items for each respective period. The effective income tax rates for the three and nine month periods ended September 30, 2014 were lower than the United States statutory federal income tax rate primarily due to various permanent differences including deductions for manufacturing as well as the favorable impact of changes in uncertain tax positions of $4.5 million and $8.0 million for the three and nine month periods ended September 30, 2014, respectively, and the favorable impact of the expiration of a statutory time period that would have impacted the tax deductibility of certain accruals of $2.1 million for the three month period ended September 30, 2014. The effective income tax rates for the three and nine month periods ended September 30, 2013 were lower than the United States statutory federal income tax rate primarily due to various permanent differences, including deductions for manufacturing activities and the favorable impact of changes in uncertain tax positions of $2.8 million and $3.7 million for the three and nine months ended September 30, 2013, respectively.