Income Taxes	6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Note 14. Income Taxes Our effective income tax rate from continuing operations for the three months ended June 30, 2018 was (5.5)% compared with 5.2% for the three months ended June 30, 2017. For the six months ended June 30, 2018, the effective income tax rate from continuing operations was 7.0% compared with 10.6% for the six months ended June 30, 2017. Our effective income tax rate fluctuates based on, among other factors, changes in pretax income in countries with varying statutory tax rates, changes in valuation allowances, changes in tax credits and incentives, and changes in unrecognized tax benefits associated with uncertain tax positions. Compared with the three and six months ended June 30, 2017, the lower effective tax rates for the three and six months ended June 30, 2018 were primarily attributable to the impact of the reduction to the U.S. federal statutory tax rate as a result of the U.S. “Tax Cuts and Jobs Act” (the “Tax Act”), the benefit of foreign derived intangible income partially offset by the repeal of the U.S. domestic production activity deduction, certain tax law changes in the UK that occurred during the three months ended December 31, 2017 and the impact of discrete tax items. During the three months ended June 30, 2018, we entered into an audit settlement impacting one of our uncertain tax positions. This audit settlement resulted in the recognition of an additional of $1.7 million in income tax expense.

Note 14. Income Taxes

Our effective income tax rate from continuing operations for the three months ended June 30, 2018 was (5.5)% compared with 5.2% for the three months ended June 30, 2017. For the six months ended June 30, 2018, the effective income tax rate from continuing operations was 7.0% compared with 10.6% for the six months ended June 30, 2017. Our effective income tax rate fluctuates based on, among other factors, changes in pretax income in countries with varying statutory tax rates, changes in valuation allowances, changes in tax credits and incentives, and changes in unrecognized tax benefits associated with uncertain tax positions.

Compared with the three and six months ended June 30, 2017, the lower effective tax rates for the three and six months ended June 30, 2018 were primarily attributable to the impact of the reduction to the U.S. federal statutory tax rate as a result of the U.S. “Tax Cuts and Jobs Act” (the “Tax Act”), the benefit of foreign derived intangible income partially offset by the repeal of the U.S. domestic production activity deduction, certain tax law changes in the UK that occurred during the three months ended December 31, 2017 and the impact of discrete tax items.

During the three months ended June 30, 2018, we entered into an audit settlement impacting one of our uncertain tax positions. This audit settlement resulted in the recognition of an additional of $1.7 million in income tax expense.