Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Nov. 17, 2018	Nov. 18, 2017
Cash flows from operating activities:
Net income	$ 351,406	$ 281,003
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment and intangibles	82,452	77,986
Amortization of debt origination fees	1,864	1,999
Deferred income taxes	7,420	8,556
Share-based compensation expense	10,527	11,086
Changes in operating assets and liabilities:
Accounts receivable	(16,338)	6,671
Merchandise inventories	(167,454)	(151,396)
Accounts payable and accrued expenses	67,762	185,009
Income taxes payable	63,774	123,292
Other, net	47,769	20,811
Net cash provided by operating activities	449,182	565,017
Cash flows from investing activities:
Capital expenditures	(98,168)	(110,278)
Purchase of marketable debt securities	(7,480)	(61,505)
Proceeds from sale of marketable debt securities	13,116	36,776
Proceeds from disposal of capital assets and other, net	633	354
Net cash used in investing activities	(91,899)	(134,653)
Cash flows from financing activities:
Net proceeds from (payments of) commercial paper	149,378	(99,000)
Net proceeds from sale of common stock	44,671	7,033
Purchase of treasury stock	(497,060)	(352,572)
Payments of capital lease obligations	(12,597)	(18,000)
Other, net		(1,165)
Net cash used in financing activities	(315,608)	(463,704)
Effect of exchange rate changes on cash	(7,413)	(2,253)
Net increase (decrease) in cash and cash equivalents	34,262	(35,593)
Cash and cash equivalents at beginning of period	217,824	293,270
Cash and cash equivalents at end of period	$ 252,086	$ 257,677