Note 12 - Fair Value Measurements - Fair Values Financial Assets and Liabilities Measured on a Non-recurring Basis (Details) $ in Thousands |
Aug. 30, 2016
USD ($)
|
|---|---|
| Fair Value, Inputs, Level 2 [Member] | Assets Held for Use [Member] | |
| Assets, Fair Value Disclosure, Nonrecurring | $ 1,195 |
| Fair Value, Inputs, Level 2 [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | |
| Assets, Fair Value Disclosure, Nonrecurring | 695 |
| Assets, Fair Value Disclosure, Nonrecurring | $ 1,890 |