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Stock Options And Related Weighted Average Exercise Price (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, Outstanding at beginning of year	40,944	50,095	55,950
Options, Granted	4,951	7,922	9,893
Options, Exercised	(8,385)	(15,433)	(14,735)
Options, Forfeitures	(890)	(1,640)	(1,013)
Options, Outstanding at end of year	36,620	40,944	50,095
Options exercisable at end of year	24,050	24,540	31,226
WAEP, Outstanding at beginning of year	$ 18.27	$ 15.70	$ 13.96
WAEP, Granted	$ 45.09	$ 26.56	$ 20.56
WAEP, Exercised	$ 15.90	$ 13.98	$ 12.22
WAEP, Forfeitures	$ 23.35	$ 20.29	$ 17.60
WAEP, Outstanding at end of year	$ 22.31	$ 18.27	$ 15.70
WAEP, Options exercisable at end of year	$ 17.02	$ 15.04	$ 13.40

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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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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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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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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 price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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