UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 239,993	$ 232,914
Cost of goods sold, including distribution center and store occupancy costs	149,116	144,486
Gross profit	90,877	88,428
Store operating, selling and administrative expenses	45,113	42,803
Depreciation and amortization	3,325	3,226
Operating income	42,439	42,399
Interest expense, net	45	48
Income before provision for income taxes	42,394	42,351
Provision for income taxes	16,180	15,988
Net income	$ 26,214	$ 26,363
Earnings per share:
Basic earnings per share	$ 1.01	$ 1.00
Diluted earnings per share	$ 1.00	$ 0.98
Weighted average shares outstanding:
Basic	25,906	26,349
Diluted	26,328	26,898