Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017
Cash flows from operating activities:
Net income	$ 1,617,221	$ 1,337,536	$ 1,280,869
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment and intangibles	369,957	345,084	323,051
Amortization of debt origination fees	8,162	8,393	8,369
Deferred income taxes	35,051	(124,261)	74,902
Share-based compensation expense	43,255	43,674	38,244
Pension plan contributions		(11,596)	(17,761)
Pension termination charges (refund)	(6,796)	130,263
Asset impairment		193,162
Changes in operating assets and liabilities:
Accounts receivable	(48,512)	7,534	7,795
Merchandise inventories	(394,147)	(188,782)	(236,807)
Accounts payable and accrued expenses	464,176	319,609	82,614
Income taxes payable	(10,489)	(6,438)	(3,659)
Other, net	50,635	26,114	12,995
Net cash provided by operating activities	2,128,513	2,080,292	1,570,612
Cash flows from investing activities:
Capital expenditures	(496,050)	(521,788)	(553,832)
Proceeds from sale of assets		35,279
Purchase of marketable debt securities	(55,538)	(104,536)	(85,711)
Proceeds from sale of marketable debt securities	53,140	69,644	82,993
Proceeds (payments) from disposal of capital assets and other, net	6,602	(459)	2,951
Net cash used in investing activities	(491,846)	(521,860)	(553,599)
Cash flows from financing activities:
Net (payments of) proceeds from commercial paper	(295,300)	170,200	(42,400)
Proceeds from issuance of debt	750,000		600,000
Repayment of debt	(250,000)	(250,000)	(400,000)
Net proceeds from sale of common stock	188,819	89,715	54,686
Purchase of treasury stock	(2,004,896)	(1,592,013)	(1,071,649)
Payments of capital lease obligations	(53,307)	(49,004)	(47,604)
Other, net	(9,404)	(1,052)	(7,362)
Net cash used in financing activities	(1,674,088)	(1,632,154)	(914,329)
Effect of exchange rate changes on cash	(4,103)	(1,724)	852
Net (decrease) increase in cash and cash equivalents	(41,524)	(75,446)	103,536
Cash and cash equivalents at beginning of year	217,824	293,270	189,734
Cash and cash equivalents at end of year	176,300	217,824	293,270
Supplemental cash flow information:
Interest paid, net of interest cost capitalized	153,371	163,965	135,331
Income taxes paid	383,871	427,161	579,925
Assets acquired through capital lease	$ 147,699	$ 98,782	$ 84,011