Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Feb. 14, 2015	Feb. 15, 2014	Feb. 14, 2015	Feb. 15, 2014
Income Statement [Abstract]
Net sales	$ 2,143,651us-gaap_SalesRevenueNet	$ 1,990,494us-gaap_SalesRevenueNet	$ 4,403,916us-gaap_SalesRevenueNet	$ 4,084,072us-gaap_SalesRevenueNet
Cost of sales, including warehouse and delivery expenses	1,023,618us-gaap_CostOfGoodsAndServicesSold	953,459us-gaap_CostOfGoodsAndServicesSold	2,107,222us-gaap_CostOfGoodsAndServicesSold	1,961,339us-gaap_CostOfGoodsAndServicesSold
Gross profit	1,120,033us-gaap_GrossProfit	1,037,035us-gaap_GrossProfit	2,296,694us-gaap_GrossProfit	2,122,733us-gaap_GrossProfit
Operating, selling, general and administrative expenses	758,764	699,691	1,526,863	1,401,663
Operating profit	361,269us-gaap_OperatingIncomeLoss	337,344us-gaap_OperatingIncomeLoss	769,831us-gaap_OperatingIncomeLoss	721,070us-gaap_OperatingIncomeLoss
Interest expense, net	34,536us-gaap_InterestIncomeExpenseNet	39,490us-gaap_InterestIncomeExpenseNet	71,596us-gaap_InterestIncomeExpenseNet	81,921us-gaap_InterestIncomeExpenseNet
Income before income taxes	326,733	297,854	698,235	639,149
Income taxes	115,010us-gaap_IncomeTaxExpenseBenefit	105,024us-gaap_IncomeTaxExpenseBenefit	248,202us-gaap_IncomeTaxExpenseBenefit	228,232us-gaap_IncomeTaxExpenseBenefit
Net income	$ 211,723us-gaap_NetIncomeLoss	$ 192,830us-gaap_NetIncomeLoss	$ 450,033us-gaap_NetIncomeLoss	$ 410,917us-gaap_NetIncomeLoss
Weighted average shares for basic earnings per share	31,903	33,647	32,018	33,879
Effect of dilutive stock equivalents	637	614	633	589
Weighted average shares for diluted earnings per share	32,540	34,261	32,651	34,468
Basic earnings per share	$ 6.64us-gaap_EarningsPerShareBasic	$ 5.73us-gaap_EarningsPerShareBasic	$ 14.06us-gaap_EarningsPerShareBasic	$ 12.13us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 6.51us-gaap_EarningsPerShareDiluted	$ 5.63us-gaap_EarningsPerShareDiluted	$ 13.78us-gaap_EarningsPerShareDiluted	$ 11.92us-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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