Note 14 - Supplemental Condensed Consolidating Financial Statement - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 01, 2015	Dec. 02, 2014
Parent Company [Member]
Net cash (used)/provided by operating activities	$ (24,693)	$ 25,640
Investing activities:
Purchases of property and equipment	(15,296)	(11,002)
Proceeds from Sale of Property, Plant, and Equipment	3,665	4,607
Other, net	313	1,146
Net cash used by investing activities	(11,318)	(5,249)
Financing activities:
Principal payments on long-term debt	(15)	(16)
Stock repurchases	(9)	(55)
Payments for debt issuance costs	(29)	(75)
Intercompany transactions	5,991	(23,610)
Net cash provided/(used) by financing activities	5,938	(23,537)
Increase (Decrease) in cash and cash equivalents	(30,073)	(3,146)
Beginning of year	75,034	51,012
End of quarter	44,962	47,866
Net cash (used)/provided by operating activities	(24,693)	25,640
Proceeds from exercise of stock options		197
Excess tax benefits from share-based compensation		22
Guarantor Subsidiaries [Member]
Net cash (used)/provided by operating activities	30,215	43,870
Investing activities:
Purchases of property and equipment	$ (4,992)	(2,819)
Proceeds from Sale of Property, Plant, and Equipment		997
Other, net		135
Net cash used by investing activities	$ (4,992)	(1,687)
Financing activities:
Principal payments on long-term debt	$ (9,586)	$ (6,250)
Stock repurchases
Payments for debt issuance costs
Intercompany transactions	$ (15,644)	$ (35,943)
Net cash provided/(used) by financing activities	(25,230)	(42,193)
Increase (Decrease) in cash and cash equivalents	(7)	(10)
Beginning of year	297	314
End of quarter	289	304
Net cash (used)/provided by operating activities	30,215	$ 43,870
Proceeds from exercise of stock options
Excess tax benefits from share-based compensation
Consolidation, Eliminations [Member]
Net cash (used)/provided by operating activities	$ (9,653)	$ (59,553)
Investing activities:
Purchases of property and equipment
Proceeds from Sale of Property, Plant, and Equipment
Other, net
Net cash used by investing activities
Financing activities:
Principal payments on long-term debt
Stock repurchases
Payments for debt issuance costs
Intercompany transactions	$ 9,653	$ 59,553
Net cash provided/(used) by financing activities	$ 9,653	$ 59,553
Increase (Decrease) in cash and cash equivalents
Beginning of year
End of quarter
Net cash (used)/provided by operating activities	$ (9,653)	$ (59,553)
Proceeds from exercise of stock options
Excess tax benefits from share-based compensation
Net cash (used)/provided by operating activities	(4,131)	$ 9,957
Purchases of property and equipment	(20,288)	(13,821)
Proceeds from Sale of Property, Plant, and Equipment	3,665	5,604
Other, net	313	1,281
Net cash used by investing activities	(16,310)	(6,936)
Principal payments on long-term debt	(9,601)	(6,266)
Stock repurchases	(9)	(55)
Payments for debt issuance costs	$ (29)	$ (75)
Intercompany transactions
Net cash provided/(used) by financing activities	$ (9,639)	$ (6,177)
Increase (Decrease) in cash and cash equivalents	(30,080)	(3,156)
Beginning of year	75,331	51,326
End of quarter	45,251	48,170
Net cash (used)/provided by operating activities	$ (4,131)	9,957
Proceeds from exercise of stock options		197
Excess tax benefits from share-based compensation		$ 22