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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Unrecognized Tax Benefits [Roll Forward] |  |  |
Unrecognized tax benefits balance at February 1 | $ 60,744 | $ 47,946 | $ 46,729
Gross increase for tax positions of prior years | 0 | 4,368 | 333
Gross decrease for tax positions of prior years | (307) | (156) | (1,734)
Settlements | 0 | 0 | (2,484)
Gross increase for tax positions of current year | 15,109 | 8,586 | 5,102
Unrecognized tax benefits balance at January 31 | $ 75,546 | $ 60,744 | $ 47,946

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