Income Taxes	9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective income tax rates were 32.2% and 33.5% for the three months ended September 30, 2016 and 2015, respectively. The effective income tax rates were 31.1% and 32.4% for the nine months ended September 30, 2016 and 2015, respectively. The effective income tax rates for the three and nine months ended September 30, 2016 and 2015 were lower than the U.S. federal income tax rate of 35.0% due to the impact of foreign operations, partially offset by state income taxes. The effective income tax rate for the three and nine months ended September 30, 2016, was also impacted by the adoption of ASU 2016-09, which requires that excess tax benefits and deficiencies be recorded as tax expense or benefit in the income statement. The adoption resulted in a $0.7 million and $2.1 million tax benefit for the three and nine months ended September 30, 2016, respectively. The effective income tax rate for the nine months ended September 30, 2015 was further reduced by the settlement of unrecognized tax positions.

Income Taxes

9 Months Ended

Sep. 30, 2016

The effective income tax rates were 32.2% and 33.5% for the three months ended September 30, 2016 and 2015, respectively. The effective income tax rates were 31.1% and 32.4% for the nine months ended September 30, 2016 and 2015, respectively.

The effective income tax rates for the three and nine months ended September 30, 2016 and 2015 were lower than the U.S. federal income tax rate of 35.0% due to the impact of foreign operations, partially offset by state income taxes. The effective income tax rate for the three and nine months ended September 30, 2016, was also impacted by the adoption of ASU 2016-09, which requires that excess tax benefits and deficiencies be recorded as tax expense or benefit in the income statement. The adoption resulted in a $0.7 million and $2.1 million tax benefit for the three and nine months ended September 30, 2016, respectively. The effective income tax rate for the nine months ended September 30, 2015 was further reduced by the settlement of unrecognized tax positions.