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Earnings Per Share (Tables) | 3 Months Ended
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Apr. 30, 2016
Earnings Per Share [Abstract] |
Reconciliation of the number of shares (denominator) used in the basic and diluted EPS computations | The following is a reconciliation of the number of shares (denominator) used in the basic and diluted EPS computations:
| Three Months Ended
Shares in (000s) | Basic EPS |  |  | Effect of dilutive common stock equivalents |  |  | Diluted EPS |
April 30, 2016 |  |  |  |  |
Shares | 395,799 |  |  | 3,013 |  |  | 398,812 |
Amount | $ | 0.73 |  |  | $ | — |  |  | $ | 0.73 |
May 2, 2015 |  |  |  |  |
Shares | 407,653 |  |  | 3,733 |  |  | 411,386 |
Amount | $ | 0.69 |  |  | $ | — |  |  | $ | 0.69 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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