Consolidated Statements of Cash Flows (USD $) In Thousands	3 Months Ended
	Aug. 25, 2011	Aug. 26, 2010
OPERATING ACTIVITIES:
Net earnings	$ 12,477	$ 10,020
Adjustments to reconcile net earnings to net cash provided by operating activities:
Losses on loans to and investments in joint ventures	71	21
Loss on disposition of property, equipment and other assets	181	1
Distribution from joint venture	11
Amortization of loss on swap agreement	28	28
Amortization of favorable lease right	83	83
Depreciation and amortization	8,920	8,342
Stock compensation expense	443	447
Deferred income taxes	339	(1,137)
Deferred compensation and other	281	255
Changes in operating assets and liabilities:
Accounts and notes receivable	(1,705)	(766)
Other current assets	248	(2,982)
Accounts payable	(3,484)	(2,015)
Income taxes	7,766	10,791
Taxes other than income taxes	298	578
Accrued compensation	722	446
Other accrued liabilities	542	(584)
Total adjustments	14,744	13,508
Net cash provided by operating activities	27,221	23,528
INVESTING ACTIVITIES:
Capital expenditures	(3,663)	(2,198)
Proceeds from disposals of property, equipment and other assets	5	12
Increase in restricted cash	(182)
Increase in other assets	(722)	(782)
Cash advanced to joint ventures	(29)
Net cash used in investing activities	(4,591)	(2,968)
Debt transactions:
Proceeds from issuance of notes payable and long-term debt	15,000	19,000
Principal payments on notes payable and long-term debt	(34,163)	(33,050)
Equity transactions:
Treasury stock transactions, except for stock options	(3,737)	(3,823)
Exercise of stock options	415	622
Dividends paid	(2,461)	(2,450)
Net cash used in financing activities	(24,946)	(19,701)
Net increase (decrease) in cash and cash equivalents	(2,316)	859
Cash and cash equivalents at beginning of period	3,580	9,132
Cash and cash equivalents at end of period	1,264	9,991
Supplemental information:
Interest paid, net of amounts capitalized	880	902
Income taxes paid (refunded), net	$ 226	$ (3,324)