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Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 02, 2015	May 03, 2014
Income Statement [Abstract]
Net sales	$ 118,310us-gaap_SalesRevenueGoodsNet	$ 108,255us-gaap_SalesRevenueGoodsNet
Cost of sales (exclusive of depreciation as shown below)	70,647us-gaap_CostOfGoodsSold	65,653us-gaap_CostOfGoodsSold
Gross profit	47,663us-gaap_GrossProfit	42,602us-gaap_GrossProfit
Operating expenses:
Compensation and benefits	23,213us-gaap_LaborAndRelatedExpense	21,279us-gaap_LaborAndRelatedExpense
Other operating expenses	15,124us-gaap_OtherCostAndExpenseOperating	13,664us-gaap_OtherCostAndExpenseOperating
Depreciation	5,229us-gaap_Depreciation	4,300us-gaap_Depreciation
Total operating expenses	43,566us-gaap_OperatingExpenses	39,243us-gaap_OperatingExpenses
Operating income	4,097us-gaap_OperatingIncomeLoss	3,359us-gaap_OperatingIncomeLoss
Interest expense, net	70us-gaap_InterestExpense	69us-gaap_InterestExpense
Other income, net	(55)us-gaap_OtherNonoperatingIncomeExpense	(82)us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	4,082us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3,372us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense	1,553us-gaap_IncomeTaxExpenseBenefit	1,317us-gaap_IncomeTaxExpenseBenefit
Net income	$ 2,529us-gaap_NetIncomeLoss	$ 2,055us-gaap_NetIncomeLoss
Earnings per share:
Basic	$ 0.15us-gaap_EarningsPerShareBasic	$ 0.12us-gaap_EarningsPerShareBasic
Diluted	$ 0.14us-gaap_EarningsPerShareDiluted	$ 0.12us-gaap_EarningsPerShareDiluted
Weighted average shares for basic earnings per share:	17,238us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	17,308us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Effect of dilutive stock equivalents	567us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment	517us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Adjusted weighted average shares for diluted earnings per share	17,805us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	17,825us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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