Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 28, 2014	Aug. 29, 2013
OPERATING ACTIVITIES:
Net earnings	$ 12,276	$ 12,846
Adjustments to reconcile net earnings to net cash provided by operating activities:
Losses on investments in joint ventures	41	83
Distribution from joint venture	30	0
Loss (gain) loss on disposition of property, equipment and other assets	6	(17)
Amortization of favorable lease right	83	83
Depreciation and amortization	9,078	8,327
Stock compensation expense	319	386
Deferred income taxes	90	(345)
Deferred compensation and other	709	499
Changes in operating assets and liabilities:
Accounts and notes receivable	(2,748)	(3,140)
Other current assets	(392)	(333)
Accounts payable	(3,317)	(3,914)
Income taxes	7,219	8,478
Taxes other than income taxes	163	(362)
Accrued compensation	(4,728)	(3,101)
Other accrued liabilities	(2,224)	2,240
Total adjustments	4,329	8,884
Net cash provided by operating activities	16,605	21,730
INVESTING ACTIVITIES:
Capital expenditures	(13,074)	(8,724)
Proceeds from disposals of property, equipment and other assets	25	115
Decrease (increase) in restricted cash	(776)	1,004
Decrease (increase) in other assets	(459)	24
Capital contribution in joint venture	(338)	(343)
Net cash used in investing activities	(14,622)	(7,924)
FINANCING ACTIVITIES:
Proceeds from issuance of notes payable and long-term debt	32,500	64,500
Principal payments on notes payable and long-term debt	(33,612)	(72,388)
Debt issuance costs	0	(276)
Equity transactions:
Treasury stock transactions, except for stock options	25	(554)
Exercise of stock options	1,003	261
Dividends paid	(2,525)	(2,233)
Distributions to noncontrolling interest	(719)	(1,060)
Net cash used in financing activities	(3,328)	(11,750)
Net increase (decrease) in cash and cash equivalents	(1,345)	2,056
Cash and cash equivalents at beginning of period	6,780	10,158
Cash and cash equivalents at end of period	5,435	12,214
Supplemental Information:
Interest paid, net of amounts capitalized	2,012	1,119
Income taxes paid	576	822
Change in accounts payable for additions to property and equipment	$ (4,578)	$ (1,780)