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Acquisitions - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2020
Revenues | $ 429,531 | $ 369,271 | $ 354,484
Net income | $ 85,549 | $ 48,788 | $ 30,933
EARNINGS PER SHARE (Note 16) |  |  |
Basic (in dollars per share) | $ 1.01 | $ 0.58 | $ 0.38
Diluted (in dollars per share) | $ 0.99 | $ 0.57 | $ 0.37

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