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Shareholders' Equity (Tables) | 3 Months Ended
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Apr. 30, 2020
Equity [Abstract] |
Share Repurchase Activity | Share repurchase activity under the Company’s share repurchase programs was as follows:
|  | Three Months Ended |
|  | April 30, |
|  | 2020 |  |  | 2019 |
Number of common shares repurchased and subsequently retired |  |  | 482,003 |  |  |  | 2,430,827 |
Total cost |  | $ | 7,036 |  |  | $ | 71,242 |
Average cost per share, including commissions |  | $ | 14.60 |  |  | $ | 29.31 |

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