Note 6 - Long-term Debt and Capital Leases - Long-Term Debt and Capital Lease Obligations (Details) - USD ($) |
Aug. 30, 2016 |
May 31, 2016 |
May 14, 2012 |
|---|---|---|---|
| Senior Notes [Member] | |||
| Senior unsecured notes | $ 212,546,000 | $ 212,546,000 | |
| Unamortized discount | (1,675,000) | (1,771,000) | $ (3,700,000) |
| Unamortized debt issuance costs | (2,832,000) | (2,995,000) | |
| Senior unsecured notes less unamortized discount and debt issuance costs | 208,039,000 | 207,780,000 | |
| Unamortized debt issuance costs | (58,000) | (74,000) | |
| Mortgage loan obligations | 15,258,000 | 15,745,000 | |
| Unamortized premium - mortgage loan obligations | 47,000 | 75,000 | |
| Capital lease obligations | 223,000 | 211,000 | |
| Total long-term debt and capital leases | 223,509,000 | 223,737,000 | |
| Less current maturities | 9,781,000 | 9,934,000 | |
| Long-term debt and capital leases, less current maturities | $ 213,728,000 | $ 213,803,000 |