Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Cash flows from operating activities:
Net income	$ 1,280,869	$ 1,241,007	$ 1,160,241
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment and intangibles	323,051	297,397	269,919
Amortization of debt origination fees	8,369	7,980	6,230
Deferred income taxes	74,902	45,019	35,971
Share-based compensation expense	38,244	39,825	40,995
Pension plan contributions	(17,761)	(52,721)	0
Changes in operating assets and liabilities:
Accounts receivable	7,795	(41,447)	(36,466)
Merchandise inventories	(236,807)	(227,518)	(266,776)
Accounts payable and accrued expenses	82,614	271,198	291,520
Income taxes payable	(3,659)	50,122	74,487
Other, net	12,995	10,198	(3,103)
Net cash provided by operating activities	1,570,612	1,641,060	1,573,018
Cash flows from investing activities:
Capital expenditures	(553,832)	(488,791)	(480,579)
Acquisition of business, net of cash	0	0	(75,744)
Purchase of intangibles	0	(10,000)	(10,000)
Purchase of marketable securities	(85,711)	(130,170)	(49,740)
Proceeds from sale of marketable securities	82,993	120,472	46,411
Proceeds from disposal of capital assets and other, net	2,951	2,654	1,741
Net cash used in investing activities	(553,599)	(505,835)	(567,911)
Cash flows from financing activities:
Net (payments) proceeds of commercial paper	(42,400)	149,900	153,800
Proceeds from issuance of debt	600,000	650,000	650,000
Repayment of debt	(400,000)	(500,000)	(500,000)
Net proceeds from sale of common stock	54,686	80,289	66,717
Purchase of treasury stock	(1,071,649)	(1,452,462)	(1,271,416)
Payments of capital lease obligations	(47,604)	(36,320)	(34,986)
Other, net	(7,362)	(7,935)	(8,712)
Net cash used in financing activities	(914,329)	(1,116,528)	(944,597)
Effect of exchange rate changes on cash	852	(4,272)	(9,686)
Net increase in cash and cash equivalents	103,536	14,425	50,824
Cash and cash equivalents at beginning of year	189,734	175,309	124,485
Cash and cash equivalents at end of year	293,270	189,734	175,309
Supplemental cash flow information:
Interest paid, net of interest cost capitalized	135,331	136,731	137,630
Income taxes paid	579,925	582,384	539,152
Assets acquired through capital lease	$ 84,011	$ 94,052	$ 71,047