Marketable Securities - (Summary Of Investments In Marketable Securities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013
Marketable Securities [Abstract]
Marketable securities, Amortized Cost	$ 115,889	$ 272,283
Marketable securities, Gross Unrealized Gains	118	242
Marketable securities, Gross Unrealized Losses	5	26
Available-for-sale Securities, Fair Value Disclosure	116,002	272,499
Available-for-sale Securities, Fair Value Disclosure	116,002	272,499
Total marketable securities, Estimated Fair Value	$ 116,002	$ 272,499