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Note 2 - Assets Held For Sale - Assets and Liabilities Held For Sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations [Member] - USD ($) $ in Thousands	Sep. 29, 2018	Mar. 31, 2018	Sep. 30, 2017
Inventories	$ 13,619
Property, Plant and Equipment (net)	9,529
Current Assets Held For Sale	23,148
Capital Lease Obligations Current Portion	141
Current Liabilities Held For Sale	141
Capital Lease Obligations	616
Noncurrent Liabilities Held For Sale	$ 616

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