Note P - Supplemental Condensed Consolidating Financial Statements (Details) - Condensed Consolidating Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 04, 2014	Mar. 05, 2013
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 29,154	$ 15,454
Investing activities:
Purchases of property and equipment	(22,557)	(27,733)
Proceeds from sale-leaseback transactions	5,637	38,872
Proceeds from disposal of assets	10,949	5,451
Other, net	842	416
Net cash used by investing activities	(5,129)	17,006
Financing activities:
Principal payments on long-term debt	(31,981)	(20,300)
Stock repurchases	(579)	(30,149)
Payments for debt issuance costs	(1,758)
Proceeds from exercise of stock options	1,576	1,478
Excess tax benefits from share-based compensation	284	87
Net cash provided/(used) by financing activities	(32,458)	(48,884)
Increase/(decrease) in cash and cash equivalents	(8,433)	(16,424)
Cash and cash equivalents:
Beginning of year	52,907	48,184
End of quarter	44,474	31,760
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(17,664)	(26,040)
Financing activities:
Intercompany transactions	17,664	26,040
Net cash provided/(used) by financing activities	17,664	26,040
Cash and cash equivalents:
End of quarter	0
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(4,304)	(5,902)
Investing activities:
Purchases of property and equipment	(16,855)	(23,480)
Proceeds from sale-leaseback transactions	5,637	38,872
Proceeds from disposal of assets	9,926	2,875
Other, net	842	416
Net cash used by investing activities	(450)	18,683
Financing activities:
Principal payments on long-term debt	(12,958)	(10,971)
Stock repurchases	(579)	(30,149)
Payments for debt issuance costs	(1,758)
Proceeds from exercise of stock options	1,576	1,478
Excess tax benefits from share-based compensation	284	87
Intercompany transactions	9,688	10,305
Net cash provided/(used) by financing activities	(3,747)	(29,250)
Increase/(decrease) in cash and cash equivalents	(8,501)	(16,469)
Cash and cash equivalents:
Beginning of year	52,635	47,986
End of quarter	44,134	31,517
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	51,122	47,396
Investing activities:
Purchases of property and equipment	(5,702)	(4,253)
Proceeds from disposal of assets	1,023	2,576
Net cash used by investing activities	(4,679)	(1,677)
Financing activities:
Principal payments on long-term debt	(19,023)	(9,329)
Intercompany transactions	(27,352)	(36,345)
Net cash provided/(used) by financing activities	(46,375)	(45,674)
Increase/(decrease) in cash and cash equivalents	68	45
Cash and cash equivalents:
Beginning of year	272	198
End of quarter	$ 340	$ 243