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Note 3 - Discontinued Operations - Asset and Liabilities in Discontinued Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Noncurrent Assets Held For Sale-Discontinued Operations |  | $ 778 | $ 1,026
Current Liabilities Held For Sale-Discontinued Operations |  | 0 | 880
Income Tax Expense |  | 0 | 400
Net Earnings From Discontinued Operations, Net of Tax |  | 0 | 1,147
Modesto Facility [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |
Other Current Assets |  | 338 | 182
Current Assets Held For Sale-Discontinued Operations |  | 338 | 182
Other Assets |  | 778 | 1,026
Noncurrent Assets Held For Sale-Discontinued Operations |  | 778 | 1,026
Accounts Payable and Accrued Expenses |  | 0 | 880
Current Liabilities Held For Sale-Discontinued Operations |  | 0 | 880
Net Sales |  | 0 | 0
Cost of Product Sold |  | 0 | 57
Selling, General and Administrative |  | 0 | 0
Plant Restructuring Charge (a) | [1] | 0 | (1,150)
Interest Expense | [2] | 0 | 0
Total cost and expenses |  | 0 | (1,093)
Earnings From Discontinued Operations Before Income Taxes |  | 0 | 1,093
Gain on the Sale of Assets Before Income Taxes | [3],[4],[5] | 0 | (430)
Income Tax Expense |  | 0 | 376
Net Earnings From Discontinued Operations, Net of Tax |  | $ 0 | $ 1,147
[1] | Includes $902,000 credit for pension termination in fiscal 2020. Includes $3,746,000 of Modesto severance in fiscal 2019.
[2] | Includes interest on debt directly related to Modesto including the building mortgage and equipment leases and an allocation of the Company's line of credit facility.
[3] | Includes $51,446,000 gain on the sale of Modesto plant and equipment in fiscal 2019.
[4] | Includes a $24,211,000 gain as a result of LIFO layer liquidations from the disposal of the inventory for fiscal 2019.
[5] | Includes a $4,975,000 gain on the sale of bins in fiscal 2019.

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