Earnings Per Share Earnings Per Share (Narrative) (Details) - shares shares in Millions |
9 Months Ended | |
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Oct. 28, 2017 |
Oct. 29, 2016 |
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| Stock Options [Member] | ||
| Stock options and restricted stock units outstanding, not included in computation of diluted earnings per share | 18.9 | 15.7 |
| Restricted Stock Units [Member] | ||
| Stock options and restricted stock units outstanding, not included in computation of diluted earnings per share | 1.2 | 0.7 |
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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