Consolidated Results of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Mar. 01, 2014	Mar. 02, 2013
Income Statement [Abstract]
Net sales	$ 933,936us-gaap_SalesRevenueNet	$ 771,445us-gaap_SalesRevenueNet	$ 700,224us-gaap_SalesRevenueNet
Cost of sales	725,392us-gaap_CostOfGoodsSold	606,193us-gaap_CostOfGoodsSold	554,491us-gaap_CostOfGoodsSold
Gross profit	208,544us-gaap_GrossProfit	165,252us-gaap_GrossProfit	145,733us-gaap_GrossProfit
Selling, general and administrative expenses	144,959	124,967	118,314
Operating income	63,585us-gaap_OperatingIncomeLoss	40,285us-gaap_OperatingIncomeLoss	27,419us-gaap_OperatingIncomeLoss
Interest income	954us-gaap_InvestmentIncomeInterest	827us-gaap_InvestmentIncomeInterest	758us-gaap_InvestmentIncomeInterest
Interest expense	924us-gaap_InterestExpense	1,259us-gaap_InterestExpense	1,494us-gaap_InterestExpense
Other income (expense), net	1,384us-gaap_OtherNonoperatingIncomeExpense	(87)us-gaap_OtherNonoperatingIncomeExpense	224us-gaap_OtherNonoperatingIncomeExpense
Earnings before income taxes	64,999	39,766	26,907
Income tax expense	14,483us-gaap_IncomeTaxExpenseBenefit	11,780us-gaap_IncomeTaxExpenseBenefit	7,796us-gaap_IncomeTaxExpenseBenefit
Net earnings	$ 50,516us-gaap_NetIncomeLoss	$ 27,986us-gaap_NetIncomeLoss	$ 19,111us-gaap_NetIncomeLoss
Earnings per share - basic	$ 1.76us-gaap_EarningsPerShareBasic	$ 0.98us-gaap_EarningsPerShareBasic	$ 0.68us-gaap_EarningsPerShareBasic
Earnings per share - diluted	$ 1.72us-gaap_EarningsPerShareDiluted	$ 0.95us-gaap_EarningsPerShareDiluted	$ 0.67us-gaap_EarningsPerShareDiluted
Weighted average basic shares outstanding	28,763	28,483	27,954
Weighted average diluted shares outstanding	29,374	29,374	28,641

Total costs related to goods produced and sold during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688