Income Taxes	3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Note 10: Income Taxes Management estimates the annual effective income tax rate quarterly, based on current annual forecasted results. Items unrelated to current year ordinary income are recognized entirely in the period identified as a discrete item of tax. The quarterly income tax provision includes tax on ordinary income provided at the most recent estimated annual effective tax rate (“ETR”), increased or decreased for the tax effect of discrete items. For the three months ended March 31, 2020 and 2019, our estimated annual effective tax rates applied to ordinary income were 28.3% and 16.8%, respectively. The difference between the federal statutory rate of 21.0% and the projected annual ETR of 28.3% for 2020 is primarily due to research and development credits. Discrete items during the three months ended March 31, 2020 and 2019 were not significant, and our ETR for the first quarter in each year was 27.0% and 16.9%, respectively.

Income Taxes

3 Months Ended

Mar. 31, 2020

Note 10: Income Taxes

Management estimates the annual effective income tax rate quarterly, based on current annual forecasted results. Items unrelated to current year ordinary income are recognized entirely in the period identified as a discrete item of tax. The quarterly income tax provision includes tax on ordinary income provided at the most recent estimated annual effective tax rate (“ETR”), increased or decreased for the tax effect of discrete items.

For the three months ended March 31, 2020 and 2019, our estimated annual effective tax rates applied to ordinary income were 28.3% and 16.8%, respectively. The difference between the federal statutory rate of 21.0% and the projected annual ETR of 28.3% for 2020 is primarily due to research and development credits.

Discrete items during the three months ended March 31, 2020 and 2019 were not significant, and our ETR for the first quarter in each year was 27.0% and 16.9%, respectively.