Restatement of Previously Issued Financial Statements (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011		Oct. 27, 2012	Oct. 29, 2011
Effect of reclassifications and corrections on Consolidated Statements of Income
Net sales	$ 273,729	$ 263,232	[1]	$ 863,809	$ 846,999	[1]
Cost of merchandise sold	203,039	196,579	[1]	627,436	614,875	[1]
Gross profit	70,690	66,653	[1]	236,373	232,124	[1]
Selling, general and administrative expenses	74,431	69,690	[1]	217,306	208,941	[1]
Other income, net
Operating (loss) income	(3,741)	(3,037)	[1]	19,067	23,183	[1]
Interest (income) expense, net	81	84	[1]	170	251	[1]
(Loss) income before income taxes	(3,822)	(3,121)	[1]	18,897	22,932	[1]
Income tax benefit	(2,163)	(1,425)	[1]	7,417	8,894	[1]
Net (loss) income	(1,659)	(1,696)	[1]	11,480	14,038	[1]
Net income per share:
Basic	$ (0.04)	$ (0.04)	[1]	$ 0.26	$ 0.31	[1]
Diluted	$ (0.04)	$ (0.04)	[1]	$ 0.26	$ 0.31	[1]
As Previously Reported [Member]
Effect of reclassifications and corrections on Consolidated Statements of Income
Net sales		258,520			832,233
Cost of merchandise sold		199,264			617,686
Gross profit		59,256			214,547
Selling, general and administrative expenses		71,291			211,581
Other income, net		6,602			20,059
Operating (loss) income		(5,433)			23,025
Interest (income) expense, net		(16)			(23)
(Loss) income before income taxes		(5,417)			23,048
Income tax benefit		(2,311)			8,938
Net (loss) income		(3,106)			14,110
Net income per share:
Basic		$ (0.07)			$ 0.31
Diluted		$ (0.07)			$ 0.31
Reclassifications [Member]
Effect of reclassifications and corrections on Consolidated Statements of Income
Net sales
Cost of merchandise sold
Gross profit
Selling, general and administrative expenses		(3,560)			(10,488)
Other income, net		(3,460)			(10,214)
Operating (loss) income		100			274
Interest (income) expense, net		100			274
(Loss) income before income taxes
Income tax benefit
Net (loss) income
Net income per share:
Basic
Diluted
Adjustments [Member]
Effect of reclassifications and corrections on Consolidated Statements of Income
Net sales		4,712			14,766
Cost of merchandise sold		(2,685)			(2,811)
Gross profit		7,397			17,577
Selling, general and administrative expenses		1,959			7,848
Other income, net		(3,142)			(9,845)
Operating (loss) income		2,296			(116)
Interest (income) expense, net
(Loss) income before income taxes		2,296			(116)
Income tax benefit		886			(44)
Net (loss) income		$ 1,410			$ (72)
Net income per share:
Basic		$ 0.03
Diluted		$ 0.03

[1] As described in Note 2 to these Condensed Consolidated Financial Statements, we have restated the Condensed Consolidated Financial Statements.