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Note 17 - Employee Benefit Plans (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2018 | Jul. 02, 2017 | Jul. 01, 2018 | Jul. 02, 2017
Other Nonoperating Income (Expense), Total | $ 1,623,000 | $ (70,000) | $ 1,707,000 | $ 1,778,000
Accounting Standards Update 2017-07 [Member] |  |  |  |
Other Nonoperating Income (Expense), Total |  | $ 43,000 |  | $ 199,000

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- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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