CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - UNAUDITED (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 84,163	$ 53,663	$ 148,984	$ 110,820
OTHER COMPREHENSIVE LOSS:
Unrealized loss on securities available-for-sale, net of tax	0	(31,250)	0	(27,636)
Reclassification adjustment for impairment of securities available-for-sale, net of tax	0	27,636	0	27,636
Foreign currency translation adjustment, net of tax	(25)	(19)	(31)	(12)
COMPREHENSIVE INCOME	$ 84,138	$ 50,030	$ 148,953	$ 110,808

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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