Fair Value Measurements (Details 2) (USD $)	3 Months Ended
	May 03, 2014	May 04, 2013	Feb. 01, 2014
Available-for-sale securities
Proceeds from sale of available-for-sale securities	$ 598,000	$ 0
Accumulated unrealized gains, net of tax, included in accumulated other comprehensive income (loss)			103,000
Corporate bonds
Available-for-sale securities
Available-for-sale securities, included in short-term investments and other assets depending on their respective maturity dates	5,000,000		5,100,000
Maturity date	Sep. 30, 2014
Marketable equity securities
Available-for-sale securities
Available-for-sale securities, included in short-term investments and other assets depending on their respective maturity dates	100,000		600,000
Proceeds from sale of available-for-sale securities	598,000
Gains recognized on sale of available-for-sale securities	$ 100,000