Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Feb. 28, 2015	Mar. 01, 2014
Operating activities:
Net income	$ 17,991	$ 20,739
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	2,125	1,966
LIFO expense	626	608
Stock-based compensation	1,348	1,388
Deferred income taxes including valuation allowance	7,127	(152)
Postretirement benefit income and deferred compensation expense	(338)	(405)
Provision (benefit) for doubtful accounts	2	(1)
Gain on disposal of property	(35)	(702)
Increase in cash surrender value of life insurance policies	(462)	(440)
Change in assets and liabilities:
Inventories	(37,619)	(12,356)
Receivables, prepaid and other assets	(7,560)	(40,056)
Investment in operating leases, net of repurchase obligations	(72)	0
Income taxes and unrecognized tax benefits	(11,258)	1,269
Accounts payable and accrued expenses	(4,075)	536
Postretirement and deferred compensation benefits	(1,852)	(1,924)
Net cash used in operating activities	(34,052)	(29,530)
Investing activities:
Proceeds from the sale of investments, at par	0	2,350
Purchases of property and equipment	(5,154)	(3,772)
Proceeds from the sale of property	43	2,392
Other	294	(105)
Net cash (used in) provided by investing activities	(4,817)	865
Financing activities:
Payments for purchases of common stock	(6,141)	(21,484)
Payments of cash dividends	4,883	0
Proceeds from exercise of stock options	0	2,080
Borrowings on loans	22,000	0
Repayments of loans	(22,000)	0
Other	27	50
Net cash used in financing activities	(10,997)	(19,354)
Net decrease in cash and cash equivalents	(49,866)	(48,019)
Cash and cash equivalents at beginning of period	57,804	64,277
Cash and cash equivalents at end of period	7,938	16,258
Supplemental cash flow disclosure:
Income taxes paid, net of refunds	12,565	8,200
Interest paid	$ 10	$ 0