Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2013	Nov. 24, 2012
Cash flows from operating activities:
Net income	$ 78,027	$ 80,279
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	61,734	57,175
Amortization of deferred gain	(4,205)	(2,857)
Deferred income taxes	1,402	17,919
Excess tax benefits from stock-based compensation	(5,244)	(12,654)
Stock-based compensation	5,530	4,413
Loss on disposition of property and equipment, including impairment	2,865	2,860
Changes in operating assets and liabilities:
Merchandise inventories	(178,661)	(165,906)
Prepayments and other current assets	1,828	(27,472)
Other assets	1,057	(2,073)
Accounts payable and accrued liabilities	27,876	10,003
Income taxes	30,671	761
Other liabilities	3,253	9,784
Net cash provided by (used in) operating activities, total	26,133	(27,768)
Cash flows from investing activities:
Purchases of restricted and unrestricted investment securities	(2,529)	(10,720)
Sales of restricted and unrestricted investment securities	26,111	7,542
Change in restricted cash	373	46,009
Sale Leaseback Transaction, Net Proceeds	570	1,132
Capital expenditures	(112,467)	(196,386)
Proceeds from dispositions of property and equipment	165	162
Net cash provided by (used in) investing activities, total	(87,777)	(152,261)
Cash flows from financing activities:
Short-term borrowings	686,000	568,000
Repayment of short-term borrowings	(444,000)	(374,000)
Repayment of long-term debt	(16,200)	(16,200)
Repurchases of common stock	(125,038)	(24,980)
Change in cash overdrafts	3,964	43,138
Proceeds from exercise of employee stock options	11,072	15,578
Excess tax benefits from stock-based compensation	5,244	12,654
Payment of dividends	(29,932)	(24,227)
Net cash provided by (used in) financing activities, total	91,110	199,963
Net change in cash and cash equivalents	29,466	19,934
Cash and cash equivalents at beginning of year	140,999	92,333
Cash and cash equivalents at end of year	$ 170,465	$ 112,267