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Note 7 - Other Expense (Income), Net (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 04, 2020 | Sep. 29, 2019 | Oct. 04, 2020 | Sep. 29, 2019
Proceeds from Sale of Property, Plant, and Equipment, Total |  |  | $ 1,969,000 | $ 653,000
Proceeds from Sale of Other Property, Plant, and Equipment |  |  | 268,000 |
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property |  |  | 813,000 | 467,000
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component | $ 201,000 | $ 248,000 | 603,000 | 743,000
Foreign Currency Transaction Gain (Loss), before Tax, Total |  |  | 73,000 |
Gain Related to Settlement Agreement |  |  |  | $ 1,500,000
Loss Contingency, Receivable, Proceeds |  | $ 1,500,000 |  |
Broadway Plant [Member] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment, Total |  |  | $ 1,700,000 |

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