Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013
Current Assets:
Cash and cash equivalents	$ 79,427	$ 31,069
Short-term investments	161,128	157,578
Restricted cash and investments	4,701	5,999
Accounts receivable, net of allowance for doubtful accounts	39,224	40,016
Merchandise inventories	150,861	140,738
Deferred income taxes	4,720	4,631
Prepaid expenses	6,687	10,183
Total Current Assets	446,748	390,214
Property and equipment - net	141,129	134,227
Noncurrent deferred tax asset	1,373	0
Other assets	7,668	8,205
Total Assets	596,918	532,646
Current Liabilities:
Accounts payable	111,514	99,247
Accrued expenses	45,763	43,773
Accrued bonus and benefits	4,999	2,290
Accrued income taxes	14,855	14,292
Total Current Liabilities	177,131	159,602
Deferred tax liabilities noncurrent	0	3,330
Other noncurrent liabilities (primarily deferred rent)	28,678	24,480
Commitments And Contingenciess	0	0
Stockholders' Equity:
Preferred stock, $100 par value per share, 100,000 shares authorized, none issued	0	0
Class of Stock [Line Items]
Common stock	975	976
Additional paid-in capital	80,463	76,594
Retained earnings	308,893	266,843
AccumulatedOtherComprehensiveIncomeLossNetOfTax	778	821
Total Stockholders' Equity	391,109	345,234
Liabilities And Stockholders Equity	596,918	532,646
Common Class A [Member]
Class of Stock [Line Items]
Common stock	917	918
Common Class B [Member]
Class of Stock [Line Items]
Common stock	$ 58	$ 58