Note 1 - Basis of Presentation - Reclassified Unamortized Debt Issuance Costs (Details)	Jun. 02, 2015 USD ($)
Adjustments for New Accounting Principle, Early Adoption [Member] | Scenario, Previously Reported [Member]
Prepaid rent and other expenses	$ 13,181,000
Other assets	57,554,000
Current maturities of long-term debt, including capital leases	10,861,000
Long-term debt and capital leases, less current maturities	234,173,000
Adjustments for New Accounting Principle, Early Adoption [Member] | Scenario, Adjustment [Member]
Prepaid rent and other expenses	(783,000)
Other assets	(3,156,000)
Current maturities of long-term debt, including capital leases	(783,000)
Long-term debt and capital leases, less current maturities	(3,156,000)
Adjustments for New Accounting Principle, Early Adoption [Member]
Prepaid rent and other expenses	12,398,000
Other assets	54,398,000
Current maturities of long-term debt, including capital leases	10,078,000
Long-term debt and capital leases, less current maturities	231,017,000
Prepaid rent and other expenses	12,398,000
Other assets	54,398,000
Current maturities of long-term debt, including capital leases	10,078,000
Long-term debt and capital leases, less current maturities	$ 231,017,000