Note P – Supplemental Condensed Consolidating Financial Statements (Details) - Condensed Consolidating Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 02, 2014	Sep. 03, 2013
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 13,082	$ 8,864
Investing activities:
Purchases of property and equipment	(6,977)	(11,159)
Proceeds from sale-leaseback transactions, net		5,637
Proceeds from disposal of assets	273	2,548
Other, net	505	205
Net cash used by investing activities	(6,199)	(2,769)
Financing activities:
Principal payments on long-term debt	(1,205)	(24,284)
Stock repurchases	(55)	(540)
Proceeds from exercise of stock options		1,419
Excess tax benefits from share-based compensation		256
Payments for debt issuance costs	(60)
Net cash used by financing activities	(1,320)	(23,149)
Increase (Decrease) in cash and cash equivalents	5,563	(17,054)
Cash and cash equivalents:
Beginning of year	51,326	52,907
End of quarter	56,889	35,853
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(57,733)	(8,689)
Financing activities:
Intercompany transactions	57,733	8,689
Net cash used by financing activities	57,733	8,689
Cash and cash equivalents:
End of quarter	0
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	37,370	(7,987)
Investing activities:
Purchases of property and equipment	(5,717)	(7,850)
Proceeds from sale-leaseback transactions, net		5,637
Proceeds from disposal of assets	250	1,525
Other, net	370	205
Net cash used by investing activities	(5,097)	(483)
Financing activities:
Principal payments on long-term debt	11	(12,941)
Stock repurchases	(55)	(540)
Proceeds from exercise of stock options		1,419
Excess tax benefits from share-based compensation		256
Payments for debt issuance costs	(60)
Intercompany transactions	(26,608)	3,186
Net cash used by financing activities	(26,712)	(8,620)
Increase (Decrease) in cash and cash equivalents	5,561	(17,090)
Cash and cash equivalents:
Beginning of year	51,012	52,635
End of quarter	56,573	35,545
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	33,445	25,540
Investing activities:
Purchases of property and equipment	(1,260)	(3,309)
Proceeds from disposal of assets	23	1,023
Other, net	135
Net cash used by investing activities	(1,102)	(2,286)
Financing activities:
Principal payments on long-term debt	(1,216)	(11,343)
Intercompany transactions	(31,125)	(11,875)
Net cash used by financing activities	(32,341)	(23,218)
Increase (Decrease) in cash and cash equivalents	2	36
Cash and cash equivalents:
Beginning of year	314	272
End of quarter	$ 316	$ 308