Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 22, 2014	Nov. 23, 2013
Cash flows from operating activities:
Net income	$ 238,310us-gaap_NetIncomeLoss	$ 218,087us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment and intangibles	61,045	55,772
Amortization of debt origination fees	1,521	1,711
Income tax benefit from exercise of stock options	(9,731)	(6,244)
Deferred income taxes	(954)us-gaap_DeferredIncomeTaxExpenseBenefit	1,978us-gaap_DeferredIncomeTaxExpenseBenefit
Share-based compensation expense	8,804us-gaap_ShareBasedCompensation	9,252us-gaap_ShareBasedCompensation
Changes in operating assets and liabilities:
Accounts receivable	23,508	(1,241)
Merchandise inventories	(84,498)	(83,629)
Accounts payable and accrued expenses	68,687	91,253
Income taxes payable	83,180	84,638
Other, net	(14,644)	(14,234)
Net cash provided by operating activities	375,228	357,343
Cash flows from investing activities:
Capital expenditures	(92,415)	(82,607)
Acquisition of business, net of cash	(75,744)
Purchase of intangibles	(10,000)
Purchase of marketable securities	(6,474)	(6,312)
Proceeds from sale of marketable securities	3,860	6,044
Disposal of capital assets and other, net	(34)	(695)
Net cash used in investing activities	(180,807)	(83,570)
Cash flows from financing activities:
Net proceeds (payments) from commercial paper	78,300	(13,500)
Net proceeds from sale of common stock	19,603	16,210
Purchase of treasury stock	(299,606)	(291,538)
Income tax benefit from exercise of stock options	9,731	6,244
Payments of capital lease obligations	(9,192)	(8,203)
Net cash used in financing activities	(201,164)	(290,787)
Effect of exchange rate changes on cash	(550)	675
Net decrease in cash and cash equivalents	(7,293)	(16,339)
Cash and cash equivalents at beginning of period	124,485	142,191
Cash and cash equivalents at end of period	$ 117,192	$ 125,852

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