Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Mar. 23, 2012	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Apr. 27, 2012	Jan. 30, 2010
Summary of Significant Accounting Policies [Abstract]
Cash and cash equivalents		$ 45,756	$ 70,602	$ 60,193		$ 44,168
Credit and debit card receivables		4,700	4,500
Impairment charges		425	338	1,700
Self-insurance reserves		2,500	2,400
Advertising expenses		$ 37,400	$ 33,500	$ 31,100
Stock split description	three-for-two stock split
Common stock, shares outstanding					13,600
Increased shares outstanding due to stock split					20,400
Additional share of common stock issued for every two existing shares pursuant to stock split event	receive one additional share of common stock for every two shares of common stock owned