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Note 3 - Assets Held For Sale - Assets and Liabilities Held For Sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations [Member] - USD ($)
$ in Thousands
Jun. 27, 2020
Mar. 31, 2020
Jun. 29, 2019
Property, Plant and Equipment (net) $ 11,989    
Current Assets Held For Sale $ 11,989 $ 0 $ 0