Income Taxes	3 Months Ended
Mar. 31, 2019
Income Taxes [Abstract]
Income Taxes	Income Taxes Our effective tax rate for the first quarter of 2019 increased period-over-period to 26.8% from 24.3%. In the first quarter of 2018, income tax expense was reduced by approximately $13.3 million, primarily as a result of the successful resolution of foreign tax claims during the quarter. At March 31, 2019, our unrecognized tax benefits were $183.5 million. Of this amount, approximately $174.7 million would affect our effective tax rate upon resolution of the uncertain tax positions.

Income Taxes

3 Months Ended

Mar. 31, 2019

Our effective tax rate for the first quarter of 2019 increased period-over-period to 26.8% from 24.3%. In the first quarter of 2018, income tax expense was reduced by approximately $13.3 million, primarily as a result of the successful resolution of foreign tax claims during the quarter.

At March 31, 2019, our unrecognized tax benefits were $183.5 million. Of this amount, approximately $174.7 million would affect our effective tax rate upon resolution of the uncertain tax positions.