Income Taxes	3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Provision for income taxes reflects an estimated annual tax rate of 30 percent in the first quarter of 2016 compared with 28 percent in the first quarter of 2015. The increase in the estimated annual tax rate is primarily due to changes in the geographic mix of profits.

Income Taxes

3 Months Ended

Mar. 31, 2016

The Provision for income taxes reflects an estimated annual tax rate of 30 percent in the first quarter of 2016 compared with 28 percent in the first quarter of 2015. The increase in the estimated annual tax rate is primarily due to changes in the geographic mix of profits.