Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Aug. 03, 2013	Feb. 02, 2013	Jul. 28, 2012
Current Assets:
Cash and cash equivalents	$ 88,559	$ 31,069	$ 66,043
Short-term investments	157,326	157,578	211,390
Restricted cash and investments	4,807	5,999	5,311
Accounts receivable, net of allowance for doubtful accounts	39,908	40,016	43,373
Merchandise inventories	111,206	140,738	107,034
Deferred income taxes	4,837	4,631	3,535
Prepaid expenses	10,997	10,183	4,160
Total Current Assets	417,640	390,214	440,846
Property and equipment - net	139,550	134,227	125,520
Other assets	10,223	8,205	7,016
Total Assets	567,413	532,646	573,382
Current Liabilities:
Accounts payable	80,674	99,247	70,573
Accrued expenses	49,196	43,773	43,160
Accrued bonus and benefits	1,609	2,290	4,708
Accrued income taxes	22,523	14,292	19,555
Total Current Liabilities	154,002	159,602	137,996
Deferred tax liabilities noncurrent	3,330	3,330	7,887
Other noncurrent liabilities (primarily deferred rent)	26,520	24,480	24,231
Commitments And Contingenciess	0	0	0
Stockholders' Equity:
Preferred stock, $100 par value per share, 100,000 shares authorized, none issued	0	0	0
Class of Stock [Line Items]
Common stock	975	976	976
Additional paid-in capital	78,356	76,594	73,863
Retained earnings	303,751	266,843	327,420
Accumulated other comprehensive income	479	821	1,009
Total Stockholders' Equity	383,561	345,234	403,268
Liabilities And Stockholders Equity	567,413	532,646	573,382
Common Class A [Member]
Class of Stock [Line Items]
Common stock	917	918	918
Common Class B [Member]
Class of Stock [Line Items]
Common stock	$ 58	$ 58	$ 58