Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	6 Months Ended		12 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jan. 29, 2011
Current Assets:
Cash and cash equivalents	$ 77,376	$ 68,336	$ 48,630
Short-term investments	190,533	165,755	181,395
Restricted cash and investments	4,801	2,547	4,826
Accounts receivable, net of allowance for doubtful accounts of $3,233, $3,301 and $3,274 at July 31, 2010, August 1, 2009 and January 30, 2010, respectively	37,621	39,747	39,703
Merchandise inventories	117,225	105,157	144,028
Deferred income taxes	3,338	7,802	3,660
Prepaid expenses	3,739	5,352	3,199
Total Current Assets	434,633	394,696	425,441
Property and equipment - net	104,333	100,869	99,773
Other assets	9,434	7,499	7,545
Total Assets	548,400	503,064	532,759
Current Liabilities:
Accounts payable	86,553	79,276	103,898
Accrued expenses	36,308	32,587	35,318
Accrued bonus and benefits	8,906	18,062	22,841
Accrued income taxes	23,145	22,493	11,861
Total Current Liabilities	154,912	152,418	173,918
Deferred tax liabilities noncurrent	9,540	7,833	9,540
Other noncurrent liabilities (primarily deferred rent)	14,190	16,362	15,287
Commitments And Contingencies	-	-	-
Stockholders' Equity:
Preferred stock, $100 par value per share, 100,000 shares authorized, none issued	0	0	0
Statement Table [Table]
Common stock	983	983	983
Additional paid-in capital	70,203	66,584	68,537
Retained earnings	297,713	258,307	264,218
Accumulated other comprehensive income	859	577	276
Total Stockholders Equity	369,758	326,451	334,014
Liabilities And Stockholders Equity	548,400	503,064	532,759
Common Class A Member
Statement Table [Table]
Common stock	925	925	925
Common Class B Member
Statement Table [Table]
Common stock	$ 58	$ 58	$ 58