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Acquisitions - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Acquisitions |  |  |
Revenue | $ 675,556 | $ 626,643 | $ 581,614
Net income | $ 142,171 | $ 107,548 | $ 90,488
Earnings per share |  |  |
Basic (in dollars per share) | $ 1.66 | $ 1.26 | $ 1.07
Diluted (in dollars per share) | $ 1.63 | $ 1.24 | $ 1.05

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