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Employees' Defined Contribution Plan - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Feb. 02, 2013
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Jan. 28, 2012
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Jan. 29, 2011
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Company's contributions to the Savings plan | $ 4,600,000 | $ 4,100,000 | $ 3,600,000 |
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Maximum
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Percentage of eligible gross cash compensation employees are allowed to invest in the savings plan | 60.00% | ||
| Employee annual investment in the savings plan, maximum | $ 17,000 | ||