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Shareholders' Equity (Tables) | 12 Months Ended
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Jan. 31, 2019
Equity [Abstract] |
Share Repurchase Activity | Share repurchase activity under the Company’s share repurchase programs is as follows:
|  | Fiscal Year Ended January 31, |
|  | 2019 |  |  | 2018 |
Number of common shares repurchased and subsequently retired |  |  | 3,500,000 |  |  |  | 8,092,906 |
Total cost |  | $ | 121,397 |  |  | $ | 157,044 |
Average cost per share, including commissions |  | $ | 34.68 |  |  | $ | 19.41 |

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