Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
May 09, 2015	May 10, 2014	May 09, 2015	May 10, 2014
Income Statement [Abstract]
Net sales	$ 2,493,021us-gaap_SalesRevenueNet	$ 2,341,545us-gaap_SalesRevenueNet	$ 6,896,936us-gaap_SalesRevenueNet	$ 6,425,617us-gaap_SalesRevenueNet
Cost of sales, including warehouse and delivery expenses	1,190,232us-gaap_CostOfGoodsAndServicesSold	1,124,587us-gaap_CostOfGoodsAndServicesSold	3,297,453us-gaap_CostOfGoodsAndServicesSold	3,085,927us-gaap_CostOfGoodsAndServicesSold
Gross profit	1,302,789us-gaap_GrossProfit	1,216,958us-gaap_GrossProfit	3,599,483us-gaap_GrossProfit	3,339,690us-gaap_GrossProfit
Operating, selling, general and administrative expenses	788,840	738,006	2,315,704	2,139,668
Operating profit	513,949us-gaap_OperatingIncomeLoss	478,952us-gaap_OperatingIncomeLoss	1,283,779us-gaap_OperatingIncomeLoss	1,200,022us-gaap_OperatingIncomeLoss
Interest expense, net	31,779	36,162	103,374	118,083
Income before income taxes	482,170	442,790	1,180,405	1,081,939
Income taxes	173,099us-gaap_IncomeTaxExpenseBenefit	157,633us-gaap_IncomeTaxExpenseBenefit	421,301us-gaap_IncomeTaxExpenseBenefit	385,865us-gaap_IncomeTaxExpenseBenefit
Net income	$ 309,071us-gaap_NetIncomeLoss	$ 285,157us-gaap_NetIncomeLoss	$ 759,104us-gaap_NetIncomeLoss	$ 696,074us-gaap_NetIncomeLoss
Weighted average shares for basic earnings per share	31,643	33,073	31,893	33,610
Effect of dilutive stock equivalents	658	643	641	607
Weighted average shares for diluted earnings per share	32,301	33,716	32,534	34,217
Basic earnings per share	$ 9.77us-gaap_EarningsPerShareBasic	$ 8.62us-gaap_EarningsPerShareBasic	$ 23.80us-gaap_EarningsPerShareBasic	$ 20.71us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 9.57us-gaap_EarningsPerShareDiluted	$ 8.46us-gaap_EarningsPerShareDiluted	$ 23.33us-gaap_EarningsPerShareDiluted	$ 20.34us-gaap_EarningsPerShareDiluted

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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