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Earnings Per Share and Cash Dividends (Tables) | 6 Months Ended
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Jul. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Number of Shares Used in Calculating Basic and Diluted Earnings (Loss) Per Share | The number of shares used in calculating basic and diluted earnings (loss) per share is as follows (in thousands):
| Three Months Ended July 31, |  |  | Six Months Ended July 31, |
| 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Weighted average common shares outstanding: |  |  |  |  |  |  |  |  |  |  |
Basic |  | 23,332 |  |  |  | 23,240 |  |  |  | 23,326 |  |  |  | 23,191 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |
Stock awards and options to purchase shares of common stock |  | 407 |  |  |  | — |  |  |  | 410 |  |  |  | — |
Diluted |  | 23,739 |  |  |  | 23,240 |  |  |  | 23,736 |  |  |  | 23,191 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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