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Income Taxes
9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES
Our effective tax rates were 7.9% and 15.2% in the three months and 10.3% and 14.7% in the nine months 2017 and 2016. The decrease in the effective income tax rates in the three and nine months 2017 was primarily due to the income tax effect of the adoption of ASU 2016-09. Refer to Note 1 for further information.