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Share-Based Compensation - Unrecognized Compensation Expense and Period for Recognition (Details) (Stock Options [Member], USD $)
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12 Months Ended | ||
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Jan. 31, 2015
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Feb. 01, 2014
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Feb. 02, 2013
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Stock Options [Member]
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| Unrecognized Compensation Expense and Period for Recognition [Line Items] | |||
| Weighted average grant date fair value of options granted (USD per share) | $ 8.49 | $ 9.50 | $ 12.75 |
| Total intrinsic value of options exercised | $ 0 | $ 1,001,000 | $ 270,000 |
| Unrecognized Share-based Compensation Expense | $ 5,300,000 | ||
| Unrecognized Share-based Compensation Expense, Period for Recognition | 1 year 6 months | ||