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Share-Based Compensation (Tables) | 3 Months Ended
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May 02, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Stock Option Activity | A summary of stock option activity during the three months ended May 2, 2105 is as follows:
|  | Stock Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value |
Outstanding at January 31, 2015 |  |  | 2,726,169 |  |  | $ | 13.18 |  |  |  |  |  |  |  |  |
Exercised |  |  | (23,589 | ) |  | $ | 6.64 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (86,882 | ) |  | $ | 19.09 |  |  |  |  |  |  |  |  |
Outstanding at May 2, 2015 |  |  | 2,615,698 |  |  | $ | 13.04 |  |  |  | 7.9 |  |  | $ | 22,494 |
Vested or expected to vest at May 2, 2015 |  |  | 2,615,698 |  |  | $ | 13.04 |  |  |  | 7.9 |  |  | $ | 22,494 |
Vested and exercisable at May 2, 2015 |  |  | 675,810 |  |  | $ | 6.35 |  |  |  | 7.3 |  |  | $ | 8,272 |
Schedule of Restricted Stock Units Activity | A summary of restricted stock unit activity during the three months ended May 2, 2015 is as follows:
|  | Restricted Stock Units |  |  | Weighted Average Grant Date Fair Value |
Nonvested restricted stock units at January 31, 2015 |  |  | 12,384 |  |  | $ | 26.24 |
Granted |  |  | — |  |  | $ | — |
Vested |  |  | (989 | ) |  | $ | 25.28 |
Forfeited |  |  | — |  |  | $ | — |
Nonvested restricted stock units at May 2, 2015 |  |  | 11,395 |  |  | $ | 26.32 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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