Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 30, 2016	Jan. 31, 2015
Current Assets:
Cash and cash equivalents	$ 67,057	$ 93,946
Short-term investments	215,495	162,185
Restricted cash and investments	4,472	4,479
Accounts receivable, net of allowance for doubtful accounts	36,610	41,023
Merchandise inventories	141,101	137,549
Deferred income taxes	0	4,291
Prepaid expenses	7,317	10,978
Total Current Assets	472,052	454,451
Property and equipment - net	138,303	135,181
Noncurrent deferred tax asset	10,280	3,363
Other assets	21,709	15,283
Total Assets	642,344	608,278
Current Liabilities:
Accounts payable	113,154	111,674
Accrued expenses	52,886	48,404
Accrued bonus and benefits	12,034	19,567
Accrued income taxes	14,990	14,256
Total Current Liabilities	193,064	193,901
Deferred tax liabilities noncurrent	0	0
Other noncurrent liabilities (primarily deferred rent)	36,615	34,179
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	935	931
Additional paid-in capital	90,336	85,029
Retained earnings	320,594	293,452
AccumulatedOtherComprehensiveIncomeLossNetOfTax	800	786
Total Stockholders' Equity	412,665	380,198
Liabilities And Stockholders Equity	642,344	608,278
Common Class A [Member]
Class of Stock [Line Items]
Common stock	877	873
Common Class B [Member]
Class of Stock [Line Items]
Common stock	$ 58	$ 58