Accumulated Balances of Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Before Tax Amount
Beginning Balance	$ 28,659	$ 28,072	$ 12,927
Temporary reversal of impairment related to ARS			(1,830)
Reclassification adjustment for realized losses in net income related to investment securities			12,142
Foreign currency translation gain	638	587	4,833
Ending Balance	29,297	28,659	28,072
Tax Benefit (Expense)
Beginning Balance			3,911
Temporary reversal of impairment related to ARS			690
Reclassification adjustment for realized losses in net income related to investment securities			(4,601)
Foreign currency translation gain
Ending Balance
Accumulated Other Comprehensive Income (Loss)
Beginning Balance	28,659	28,072	16,838
Temporary reversal of impairment related to ARS			(1,140)
Reclassification adjustment for realized losses in net income related to investment securities			7,541
Foreign currency translation gain	638	587	4,833
Ending Balance	$ 29,297	$ 28,659	$ 28,072

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Before tax and net of reclassification adjustments of the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity. Also includes the following: gain (loss) on foreign currency forward exchange contracts; foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; and gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation.

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