Income Taxes	6 Months Ended
Jun. 30, 2017
Income Taxes [Abstract]
Income Taxes	Note 11. Income Taxes Our effective income tax rate was 25.5 percent for the three months ended June 30, 2017, as compared to 30.6 percent for the three months ended June 30, 2016, and 22.5 percent for the six months ended June 30, 2017, as compared to 30.6 percent for the six months ended June 30, 2016. The decrease in our effective tax rate for both the three and six months ended June 30, 2017, as compared to the same periods of the prior year, was primarily related to the adoption of FASB issued amendments related to share-based compensation discussed further in “Note 2. Accounting Policies”. The change in accounting guidance reduced our effective income tax rate for the three months ended June 30, 2017, by approximately 6 percentage points, and reduced our effective income tax rate for the six months ended June 30, 2017, by approximately 9 percentage points.

Income Taxes

6 Months Ended

Jun. 30, 2017

Note 11. Income Taxes

Our effective income tax rate was 25.5 percent for the three months ended June 30, 2017, as compared to 30.6 percent for the three months ended June 30, 2016, and 22.5 percent for the six months ended June 30, 2017, as compared to 30.6 percent for the six months ended June 30, 2016. The decrease in our effective tax rate for both the three and six months ended June 30, 2017, as compared to the same periods of the prior year, was primarily related to the adoption of FASB issued amendments related to share-based compensation discussed further in “Note 2. Accounting Policies”. The change in accounting guidance reduced our effective income tax rate for the three months ended June 30, 2017, by approximately 6 percentage points, and reduced our effective income tax rate for the six months ended June 30, 2017, by approximately 9 percentage points.