6. Other Comprehensive Income (Detail) - Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 30, 2011	Oct. 31, 2010	Oct. 30, 2011	Oct. 31, 2010
Net income	$ 2,260	$ 1,170	$ 4,429	$ 3,422
Portion of accumulated acturial gain on supplemental retirement income plan reclassified to deferred compensation expense	(82)	(59)	(244)	(178)
Other comprehensive loss before tax	(82)	(59)	(244)	(178)
Income tax benefit	31	22	92	67
Other comprehensive loss, net of tax	(51)	(37)	(152)	(111)
Comprehensive net income	$ 2,209	$ 1,133	$ 4,277	$ 3,311