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Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Components of Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 27, 2017 | Aug. 28, 2016
Balance | $ 228,152 |
Other comprehensive income, net | (103) |
Balance | 231,169 |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |
Balance | 432 |
Other comprehensive loss before reclassifications, net of tax effect | (103) |
Amounts reclassified from OCI |  |
Other comprehensive income, net | 329 |
Balance | $ 329 |

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