CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 344,198	$ 337,598	$ 290,709
OTHER COMPREHENSIVE LOSS:
Unrealized loss on securities available-for-sale, net of tax	0	0	(27,636)
Reclassification adjustment for impairment of securities available-for-sale, net of tax	0	0	27,636
Foreign currency translation adjustment, net of tax	(97)	(88)	(6)
TOTAL OTHER COMPREHENSIVE LOSS	(97)	(88)	(6)
COMPREHENSIVE INCOME	$ 344,101us-gaap_ComprehensiveIncomeNetOfTax	$ 337,510us-gaap_ComprehensiveIncomeNetOfTax	$ 290,703us-gaap_ComprehensiveIncomeNetOfTax

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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-Name Accounting Standards Codification

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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 other comprehensive income (loss) 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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