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Shareholders' Equity (Tables) | 3 Months Ended
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Apr. 30, 2023
Equity [Abstract] |
Share Repurchase Activity | Share repurchase activity under the Company’s share repurchase programs was as follows:
|  | Three Months Ended |
|  | April 30, |
|  | 2023 |  |  | 2022 |
Number of common shares repurchased and subsequently retired |  |  | — |  |  |  | 2,422,058 |
Total cost |  | $ | — |  |  | $ | 62,052 |
Average cost per share, including commissions |  | $ | — |  |  | $ | 25.62 |

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