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Income Taxes
 3 Months Ended
Apr. 30, 2025
Income Tax Disclosure [Abstract]  
Income Taxes

Note 11. Income Taxes

We are subject to income taxes in the U.S. and the foreign jurisdictions in which we operate. The provision for income taxes was $5.0 million and $4.6 million for the three months ended April 30, 2025 and 2024, respectively. Our provision for income taxes for interim periods is determined using an estimate of our annual effective tax rate, adjusted for discrete items, if any, that are taken into account in the relevant period.

For the three months ended April 30, 2025, the difference between the U.S. statutory rate and our effective tax rate was primarily due to U.S. tax on foreign earnings, non-deductible stock-based compensation expenditures, state income taxes, and differing foreign tax rates.

For the three months ended April 30, 2024, the difference between the U.S. statutory rate and our effective tax rate was primarily due to the valuation allowance on our U.S. deferred tax assets, state income taxes, driven by the capitalization of research and development expenditures, and differing foreign tax rates.

We evaluate tax positions for recognition using a more-likely-than-not recognition threshold, and those tax positions eligible for recognition are measured as the largest amount of tax benefit that is greater than 50% likely of being realized upon the effective settlement with a taxing authority that has full knowledge of all relevant information. We believe that we have provided adequate reserves for our income tax uncertainties in all open tax years.

We file tax returns in the U.S. for federal, California, and other states. All tax years remain open to examination for both federal and state purposes as a result of our net operating loss and credit carryforwards. We file tax returns in the United Kingdom (U.K.) and other foreign jurisdictions in which we operate. Tax years ending on January 31, 2021 and onwards remain open to examination for the U.K. Certain tax years remain open to examination under the statute of limitations of the respective countries in which our other foreign subsidiaries are located.