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Income Taxes
9 Months Ended
Oct. 31, 2020
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Our effective tax rate is based on expected annual income, statutory tax rates and tax planning opportunities available in the various jurisdictions in which we operate. For interim financial reporting, we estimate the annual effective tax rate based on expected taxable income or loss for the full year and record a quarterly income tax provision (benefit) in accordance with the anticipated annual effective rate and adjust for discrete items. We update the estimates of the taxable income or loss throughout the year as new information becomes available, including year-to-date financial results. This process often results in a change to our expected effective tax rate for the year. When this occurs, we adjust the income tax provision (benefit) during the quarter in which the change in estimate occurs so that the year-to-date provision reflects the expected annual effective tax rate.
We apply the provisions of ASC Subtopic 740-10 in accounting for uncertainty in income taxes. In accordance with ASC Subtopic 740-10, we recognize a tax benefit associated with an uncertain tax position when, in our judgment, it is more likely than not that the position will be sustained upon examination by a taxing authority. For a tax position that meets the more-likely-than-not recognition threshold, we initially and subsequently measure the tax benefit as the largest amount that we judge to have a greater than 50% likelihood of being realized upon ultimate settlement with a taxing authority. Our liability associated with unrecognized tax benefits is adjusted periodically due to changing circumstances, such as the progress of tax audits, case law developments and new or emerging legislation. Such adjustments are recognized entirely in the period in which they are identified. Our effective tax rate includes the net impact of changes in the liability for unrecognized tax benefits and subsequent adjustments as considered appropriate by management.
At October 31, 2020, we had a liability of $0.6 million associated with unrecognized tax benefits. We file income tax returns in U.S. federal and various state jurisdictions. Generally, we are not subject to changes in income taxes by the U.S. federal taxing jurisdiction for years prior to Fiscal 2018 or by most state taxing jurisdictions for years prior to Fiscal 2017.

The Coronavirus Aid, Relief, and Economic Security Act (CARES Act) was enacted on March 27, 2020. The CARES Act includes, among other things, refundable payroll tax credits, deferral of employer-side social security payments, net operating loss carryback periods, alternative minimum tax credit refunds, modifications to the net interest deduction limitations, and
technical amendments regarding the income tax depreciation of qualified improvement property placed in service after December 31, 2017. We have taken advantage of several of these relief provisions.