CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Net income	$ 93,074	$ 192,392	$ 187,617	$ 339,253
Available-for-sale securities:
Change in unrealized gain on marketable securities	795	1,215	1,644	3,157
Less: Reclassification adjustments for net realized gains on marketable securities included in net income	(211)	(823)	(771)	(1,161)
Change in unrealized (loss) gain on auction rate securities	(112)	100	(112)	44
Derivative financial instruments:
Change in unrealized (loss) gain on cash flow hedges	(2,160)	(164)	(2,176)	4,488
Less: Reclassification adjustments for net realized loss (gain) on cash flow hedges included in net income	749	(1,041)	2,017	(1,753)
Other:		(115)		(115)
Other comprehensive (loss) income, net	(939)	(828)	602	4,660
Comprehensive income	$ 92,135	$ 191,564	$ 188,219	$ 343,913