Condensed Consolidated Balance Sheets (USD $) In Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2011	Jan. 29, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 83,465	$ 80,979
Short-term investments	168,954	189,789
Accounts receivable, net	14,449	9,525
Inventories:
Finished goods	245,771	222,251
Raw materials	16,107	11,059
Total inventories	261,878	233,310
Prepaid expenses and other current assets	23,667	19,494
Total current assets	552,413	533,097
NONCURRENT ASSETS:
Property, plant and equipment, net	132,224	128,603
Other noncurrent assets	310	337
Total assets	684,947	662,037
CURRENT LIABILITIES:
Accounts payable	46,755	31,505
Accrued expenses	76,370	88,165
Deferred tax liability - current	5,301	5,276
Total current liabilities	128,426	124,946
NONCURRENT LIABILITIES:
Deferred rent	49,754	49,279
Deferred tax liability - noncurrent	4,540	4,147
Other noncurrent liabilities	1,055	989
Total liabilities	183,775	179,361
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock	275	275
Additional paid-in capital	87,478	86,792
Retained earnings	413,341	395,531
Accumulated other comprehensive income	78	78
Total stockholders' equity	501,172	482,676
Total liabilities and stockholders' equity	$ 684,947	$ 662,037