The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Name Accounting Standards Codification

-Topic 718

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Information about Stock Options Outstanding and Exercisable (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number of Shares	5,907	7,227	7,220	7,002
Options Outstanding, Weighted-Average Remaining Contractual Life	6 years 3 months 22 days
Options Outstanding, Weighted-Average Exercise Price	$ 19.93	$ 18.44	$ 17.17	$ 16.88
Options Exercisable, Number of Shares	3,593	4,598	5,088
Options Exercisable, Weighted-Average Exercise Price	$ 17.83	$ 19.35	$ 18.81
$9.85 to $15.10
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 9.85
Range of Exercise Prices, Upper Limit	$ 15.10
Options Outstanding, Number of Shares	2,157
Options Outstanding, Weighted-Average Remaining Contractual Life	6 years 3 months 18 days
Options Outstanding, Weighted-Average Exercise Price	$ 12.62
Options Exercisable, Number of Shares	1,763
Options Exercisable, Weighted-Average Exercise Price	$ 12.07
$15.74 to $23.92
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 15.74
Range of Exercise Prices, Upper Limit	$ 23.92
Options Outstanding, Number of Shares	2,127
Options Outstanding, Weighted-Average Remaining Contractual Life	6 years 4 months 21 days
Options Outstanding, Weighted-Average Exercise Price	$ 20.38
Options Exercisable, Number of Shares	1,180
Options Exercisable, Weighted-Average Exercise Price	$ 21.61
$24.04 to $35.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit	$ 24.04
Range of Exercise Prices, Upper Limit	$ 35.50
Options Outstanding, Number of Shares	1,623
Options Outstanding, Weighted-Average Remaining Contractual Life	6 years 2 months 16 days
Options Outstanding, Weighted-Average Exercise Price	$ 29.03
Options Exercisable, Number of Shares	650
Options Exercisable, Weighted-Average Exercise Price	$ 26.62