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Share-based Awards - Estimated Grant Date Fair Value of Stock Options Weighted-Average Assumptions (Detail)
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12 Months Ended | ||
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Feb. 01, 2014
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Feb. 02, 2013
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Jan. 28, 2012
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| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | |||
| Volatility rate | 49.20% | 53.50% | 54.00% |
| Average risk-free interest rate | 0.90% | 1.20% | 1.50% |
| Average expected life (in years) | 4 years 4 months 24 days | 6 years 3 months 18 days | 6 years 3 months 18 days |
| Dividend yield | |||
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- Definition
Share-based Compensation Arrangement by Share-based Payment Awards, Fair Value Assumptions, Expected Term No definition available.
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- Details
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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