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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Consolidated Statements of Income
Sales revenue, net	$ 1,445,131us-gaap_SalesRevenueNet	$ 1,317,153us-gaap_SalesRevenueNet	$ 1,288,263us-gaap_SalesRevenueNet
Cost of goods sold	845,572us-gaap_CostOfGoodsSold	800,450us-gaap_CostOfGoodsSold	770,052us-gaap_CostOfGoodsSold
Gross profit	599,559us-gaap_GrossProfit	516,703us-gaap_GrossProfit	518,211us-gaap_GrossProfit
Selling, general and administrative expense	428,840us-gaap_SellingGeneralAndAdministrativeExpense	387,554us-gaap_SellingGeneralAndAdministrativeExpense	369,438us-gaap_SellingGeneralAndAdministrativeExpense
Asset impairment charges	9,000us-gaap_AssetImpairmentCharges	12,049us-gaap_AssetImpairmentCharges
Operating income	161,719us-gaap_OperatingIncomeLoss	117,100us-gaap_OperatingIncomeLoss	148,773us-gaap_OperatingIncomeLoss
Nonoperating income, net	517us-gaap_NonoperatingIncomeExpense	227us-gaap_NonoperatingIncomeExpense	86us-gaap_NonoperatingIncomeExpense
Interest expense	(15,022)us-gaap_InterestExpense	(10,193)us-gaap_InterestExpense	(13,345)us-gaap_InterestExpense
Income before income taxes	147,214us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	107,134us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	135,514us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense (benefit):
Income tax expense	16,050us-gaap_IncomeTaxExpenseBenefit	20,886us-gaap_IncomeTaxExpenseBenefit	19,848us-gaap_IncomeTaxExpenseBenefit
Net income	$ 131,164us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 86,248us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 115,666us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Earnings per share:
Basic (in dollars per share)	$ 4.59us-gaap_EarningsPerShareBasic	$ 2.69us-gaap_EarningsPerShareBasic	$ 3.64us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ 4.52us-gaap_EarningsPerShareDiluted	$ 2.66us-gaap_EarningsPerShareDiluted	$ 3.62us-gaap_EarningsPerShareDiluted
Weighted average shares of common stock used in computing net earnings per share:
Basic (in shares)	28,579us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	32,007us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	31,754us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted (in shares)	29,035us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	32,386us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	31,936us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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