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Employee Benefit Plans (Tables) | 12 Months Ended
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Feb. 02, 2013
Employee Benefit Plans [Abstract] |
Stock option activity |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |
Balance at January 28, 2012 |  |  | 1,315,024 |  |  |  | 11.04 |  |  |  |  |
Options granted |  |  | 175,000 |  |  |  | 10.93 |  |  |  |  |
Options exercised |  |  | (52,118 | ) |  |  | 8.90 |  |  |  |  |
Options forfeited |  |  | (20,000 | ) |  |  | 13.70 |  |  |  |  |
Balance at February 2, 2013 |  |  | 1,417,906 |  |  | $ | 11.07 |  |  |  | 6.3 |
Options Exercisable As of: |  |  |  |  |  |  |  |  |  |  |  |
February 2, 2013 |  |  | 1,056,660 |  |  | $ | 10.34 |  |  |  | 5.5 |
Weighted average for key assumptions used in determining the fair value of options granted and a summary of the methodology applied to develop each assumption |
|  | 53 Weeks Ended |  |  | 52 Weeks Ended |
|  | February 2, 2013 |  |  | January 28, 2012 |  |  | January 29, 2011 |
Expected price volatility |  |  | 0.56 |  |  |  | 0.65 |  |  |  | 0.63 |
Risk-free interest rate |  |  | 0.77 | % |  |  | 2.1 | % |  |  | 2.5 | %
Expected life |  |  | 6.3 years |  |  |  | 6.3 years |  |  |  | 6.3 years |
Forfeiture rate |  |  | 5 | % |  |  | 5 | % |  |  | 5 | %
Dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
RSU activity in each of the periods |
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Non-vested at January 28, 2012 |  |  | 179,000 |  |  | $ | 15.71 |
Granted |  |  | 94,000 |  |  |  | 10.93 |
Vested |  |  | (24,000 | ) |  |  | 12.33 |
Forfeited |  |  | (2,000 | ) |  |  | 15.70 |
Non-vested at February 2, 2013 |  |  | 247,000 |  |  | $ | 14.22 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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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- 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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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