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Summary of Significant Accounting Policies - Potential Common Stock Equivalents Excluded from Computation of Diluted Earning Per Share (Details) - $ / shares shares in Thousands | 12 Months Ended
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Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Anti dilutive shares | 497 | 134 | 439
Stock options |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Anti dilutive shares | 942 | 1,196 | 1,162
Range of exercise prices of such options, minimum | $ 2.25 | $ 1.85 | $ 4.49
Range of exercise prices of such options, maximum | $ 7.02 | $ 7.52 | $ 7.52
RSUs (time-vested) |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Anti dilutive shares | 754 | 732 | 370
Restricted and deferred stock |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Anti dilutive shares | 75 | 63 | 8

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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. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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