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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022
Income Tax Disclosure [Abstract] |  |  |  |
Provision for income taxes | $ 7,000 | $ 4,000 | $ 11,000 | $ 6,000
Pretax losses | $ 104,000 | $ 206,000 | $ 219,000 | $ 447,000
Effective income tax rate | (6.50%) | (2.00%) | (5.00%) | (1.40%)

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