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Income Taxes
9 Months Ended
Sep. 30, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
We compute and apply to ordinary income or loss an estimated annual effective tax rate on a quarterly basis based on current and forecasted business levels and activities, including the mix of domestic and foreign results and enacted tax laws. The estimated annual effective tax rate is updated quarterly based on actual results and updated operating forecasts. Ordinary income or loss refers to income or loss before income taxes excluding significant, unusual or infrequently occurring items. The
tax effect of an unusual or infrequently occurring item is recorded in the interim period in which it occurs as a discrete item of tax.

The following table summarizes the income tax benefit:
Three Months Ended
 September 30,
Nine Months Ended
 September 30,
2024202320242023
(Dollars in thousands)
Income tax benefit$(5,332)$(10,244)$(10,125)$(10,819)
Loss before income taxes(41,400)(32,865)(91,814)(48,660)
Effective tax rate12.9 %31.2 %11.0 %22.2 %
The effective tax rate for the third quarter and first nine months of 2024 and 2023 was different than the U.S. statutory tax rate of 21% primarily due to the mix of U.S. and foreign earnings, tax incentives and provisions of the Tax Cuts and Jobs Act of 2017 (the “Tax Cuts and Jobs Act”).
We file income tax returns in the U.S. federal jurisdiction, and various state and foreign jurisdictions. All U.S. federal tax years prior to 2020 are generally closed by statute or have been audited and settled with the applicable domestic tax authorities. Other jurisdictions are generally closed for years prior to 2018.
We continue to assess the realization of our deferred tax assets based on determinations of whether it is more likely than not that deferred tax benefits will be realized through the generation of future taxable income. Appropriate consideration is given to all available evidence, both positive and negative, in assessing the need for a valuation allowance. Examples of positive evidence would include a strong earnings history, an event or events that would increase our taxable income through a continued reduction of expenses, and tax planning strategies that would indicate an ability to realize deferred tax assets. In circumstances where the significant positive evidence does not outweigh the negative evidence in regards to whether or not a valuation allowance is required, we have established and maintained valuation allowances on those net deferred tax assets. There were no material changes to our valuation allowances in the first nine months of 2024.