Fair Value Measurements (Details 2) (USD $)			12 Months Ended					12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Feb. 01, 2014 Corporate bonds	Feb. 02, 2013 Corporate bonds	Feb. 02, 2013 Certificates of deposit	Feb. 01, 2014 Marketable equity securities	Feb. 02, 2013 Marketable equity securities	Feb. 02, 2013 Corporate bonds
Available-for-sale securities
Available-for-sale securities, included in short-term investments and other assets depending on their respective maturity dates			$ 5,100,000	$ 10,300,000	$ 1,800,000	$ 600,000	$ 500,000
Maturity date			Sep. 30, 2014
Proceeds from sale of available-for-sale securities								5,500,000
Accumulated unrealized gains, net of tax, included in accumulated other comprehensive income (loss)	$ 103,000	$ 110,000