Note P – Supplemental Condensed Consolidating Financial Statements (Details) - Condensed Consolidating Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 03, 2015	Mar. 04, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 27,427	$ 29,154
Investing activities:
Purchases of property and equipment	(21,134)	(22,557)
Proceeds from sale-leaseback transactions, net		5,637
Proceeds from disposal of assets	8,696	10,949
Other, net	2,178	842
Net cash used by investing activities	(10,260)	(5,129)
Financing activities:
Principal payments on long-term debt	(7,412)	(31,981)
Stock repurchases	(73)	(579)
Payments for debt issuance costs	(281)	(1,758)
Proceeds from exercise of stock options	457	1,576
Excess tax benefits from share-based compensation	37	284
Net cash used by financing activities	(7,272)	(32,458)
Increase (Decrease) in cash and cash equivalents	9,895	(8,433)
Cash and cash equivalents:
Beginning of year	51,326	52,907
End of quarter	61,221	44,474
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(61,699)	(17,664)
Financing activities:
Intercompany transactions	61,699	17,664
Net cash used by financing activities	61,699	17,664
Cash and cash equivalents:
End of quarter	0
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	37,226	(4,304)
Investing activities:
Purchases of property and equipment	(16,569)	(16,855)
Proceeds from sale-leaseback transactions, net		5,637
Proceeds from disposal of assets	7,649	9,926
Other, net	2,043	842
Net cash used by investing activities	(6,877)	(450)
Financing activities:
Principal payments on long-term debt	(6)	(12,958)
Stock repurchases	(73)	(579)
Payments for debt issuance costs	(281)	(1,758)
Proceeds from exercise of stock options	457	1,576
Excess tax benefits from share-based compensation	37	284
Intercompany transactions	(20,570)	9,688
Net cash used by financing activities	(20,436)	(3,747)
Increase (Decrease) in cash and cash equivalents	9,913	(8,501)
Cash and cash equivalents:
Beginning of year	51,012	52,635
End of quarter	60,925	44,134
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	51,900	51,122
Investing activities:
Purchases of property and equipment	(4,565)	(5,702)
Proceeds from disposal of assets	1,047	1,023
Other, net	135
Net cash used by investing activities	(3,383)	(4,679)
Financing activities:
Principal payments on long-term debt	(7,406)	(19,023)
Intercompany transactions	(41,129)	(27,352)
Net cash used by financing activities	(48,535)	(46,375)
Increase (Decrease) in cash and cash equivalents	(18)	68
Cash and cash equivalents:
Beginning of year	314	272
End of quarter	$ 296	$ 340