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Share-Based Compensation (Tables)
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9 Months Ended |
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Oct. 27, 2012
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| Share-based Compensation [Abstract] |
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| Schedule of Shared-based Compensation Expense [Table Text Block] |
The following summarizes our share-based compensation expense: | | | | | | | | | | | | | | | | | | Thirteen Weeks Ended | | Thirty-Nine Weeks Ended | | October 27, 2012 | | October 29, 2011 | | October 27, 2012 | | October 29, 2011 | | (in thousands) | | (in thousands) | Stock options | $ | 2,032 |
| | $ | 1,669 |
| | $ | 6,089 |
| | $ | 4,798 |
| Restricted stock units and restricted stock | 1,318 |
| | 1,049 |
| | 6,104 |
| | 2,529 |
| Restricted shares (equity issued pre-IPO) | 1 |
| | 12 |
| | 14 |
| | 156 |
| Total share-based compensation | $ | 3,351 |
| | $ | 2,730 |
| | $ | 12,207 |
| | $ | 7,483 |
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| Schedule of Share-based Compensation, Activity [Table Text Block] |
The Company's activity with respect to stock options during the thirty-nine weeks ended October 27, 2012 was as follows: | | | | | | | | | | | | | | | | Number of Shares | | Grant Date Weighted Average Exercise Price | | Weighted-Average Remaining Contractual Life | | Aggregate Intrinsic Value | | (in thousands, except per share amounts and years) | Outstanding, January 28, 2012 | 2,667 |
| | $ | 17.93 |
| | | | | Granted | 576 |
| | $ | 23.98 |
| | | | | Exercised | (35 | ) | | $ | 17.45 |
| | | | | Forfeited or expired | (37 | ) | | $ | 19.80 |
| | | | | Outstanding, October 27, 2012 | 3,171 |
| | $ | 19.01 |
| | 8.3 |
| | $ | — |
| Expected to vest at October 27, 2012 | 2,180 |
| | $ | 19.61 |
| | 8.4 |
| | $ | — |
| Exercisable at October 27, 2012 | 961 |
| | $ | 17.63 |
| | 7.9 |
| | $ | — |
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| Supplemental Options Data [Table Text Block] |
The following provides additional information regarding the Company's stock options: | | | | | | Thirty-Nine Weeks Ended | | October 27, 2012 | (in thousands, except per share amounts) | | Weighted average grant date fair value of options granted | $ | 12.79 |
| Total intrinsic value of options exercised | $ | 267 |
| Total fair value of options vested | $ | 6,503 |
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| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
The fair value of stock options was estimated at the grant date using the Black-Scholes-Merton option pricing model with the following weighted-average assumptions:
| | | | | | | | Thirty-Nine Weeks Ended | | October 27, 2012 | | October 29, 2011 | Risk-free interest rate (1) | 1.12 | % | | 1.39 | % | Price Volatility (2) | 55.9 | % | | 55.4 | % | Expected term (years) (3) | 6.17 |
| | 6.25 |
| Dividend yield (4) | — |
| | — |
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| Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
The Company's activity with respect to RSUs and restricted stock for the thirty-nine weeks ended October 27, 2012 was as follows: | | | | | | | | Number of Shares | Grant Date Weighted Average Fair Value | | (in thousands, except per share amounts) | Unvested, January 28, 2012 | 900 |
| $ | 18.52 |
| Granted | 826 |
| $ | 24.13 |
| Vested | (176 | ) | $ | 17.89 |
| Forfeited | (12 | ) | $ | 21.83 |
| Unvested, October 27, 2012 | 1,538 |
| $ | 21.57 |
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