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Shareholders' Equity (Tables) | 9 Months Ended
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Oct. 31, 2020
Equity [Abstract] |
Share Repurchase Activity | Share repurchase activity under the Company’s share repurchase programs was as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 31, |  |  | October 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Number of common shares repurchased and subsequently retired |  |  | — |  |  |  | — |  |  |  | 482,003 |  |  |  | 8,068,196 |
Total cost |  | $ | — |  |  | $ | — |  |  | $ | 7,036 |  |  | $ | 217,421 |
Average cost per share, including commissions |  | $ | — |  |  | $ | — |  |  | $ | 14.60 |  |  | $ | 26.95 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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