Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	May 31, 2014	Jun. 01, 2013
Operating activities:
Net income	$ 32,124	$ 21,337
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	2,962	3,190
LIFO expense	934	438
Stock-based compensation	1,694	1,258
Deferred income taxes including valuation allowance	464	(1,243)
Postretirement benefit income and deferred compensation expense	(752)	259
Provision for doubtful accounts	1	62
Gain on disposal of property	(712)	(34)
Gain on life insurance	(726)	(536)
Increase in cash surrender value of life insurance policies	(651)	(853)
Change in assets and liabilities:
Inventories	(6,128)	(26,295)
Receivables, prepaid and other assets	(26,349)	(10,819)
Investment in operating leases, net of repurchase obligations	(429)	0
Income taxes and unrecognized tax benefits	1,986	(234)
Accounts payable and accrued expenses	8,851	9,895
Postretirement and deferred compensation benefits	(3,080)	(3,359)
Net cash provided by (used in) operating activities	10,189	(6,934)
Investing activities:
Proceeds from the sale of investments, at par	2,350	250
Proceeds from life insurance	1,737	1,004
Purchases of property and equipment	(7,005)	(3,322)
Proceeds from the sale of property	2,403	637
Repayments of COLI borrowings	0	(1,371)
Other	(1,123)	692
Net cash used in investing activities	(1,638)	(2,110)
Financing activities:
Payments for purchases of common stock	(24,324)	(11,123)
Proceeds from exercise of stock options	2,080	0
Other	(94)	(94)
Net cash used in financing activities	(22,338)	(11,217)
Net decrease in cash and cash equivalents	(13,787)	(20,261)
Cash and cash equivalents at beginning of period	64,277	62,683
Cash and cash equivalents at end of period	50,490	42,422
Supplemental cash flow disclosure:
Income taxes paid, net of refunds	$ 11,814	$ 9,946