Fair Value Measurements (Details 2) (USD $)	3 Months Ended	6 Months Ended
	May 03, 2014	Aug. 02, 2014	Feb. 01, 2014
Available-for-sale securities
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	598,000
Marketable equity securities | Other income/expense
Available-for-sale securities
Gains recognized on sale of available-for-sale securities	$ 100,000	$ 100,000